Zscalers ThreatLabz team is continuously monitoring the campaign and will bring to light any new findings that it will come across. In September, Ducktail resurfaced with changes to the way it operates and to its mechanisms for evading detection. Initially detailed earlier this year, Ducktail is a piece of malware specifically targeting Facebook business users and is likely operated by Vietnamese-speaking individuals. While Telegram continues to be used for C&C purposes, the threat actor has associated multiple administrator accounts to Telegram channels, which suggests that they might be running an affiliate program as part of their expansion efforts, WithSecure says. Danish, Dutch RansomExx, also known as Defray777 and Ransom X, is a ransomware family that's known to be active since 2018. Sign up for free and start receiving your daily dose of cybersecurity news, insights and tips. The Vietnam-based financial cybercrime operation's primary goal is to push out fraudulent ads via compromised business accounts. Lesen Sie mehr ber das WithSecure MSP-Partnerprogramm. Gets the details of profiles used in Chrome browser. Instead of using the hardcoded targeted folder names and URLs, the threat actors have kept a list of targeted folders and URLs which gets downloaded from the C&C panel first and then the information is collected. WithSecure also identified several multi-stage variants of Ducktail that would deliver the main information stealer as a final payload. The cybersecurity firm estimates that the financial losses caused by Ducktail range between $100,000 and $600,000, depending on the victim. The lis, As 2022 comes to an end, now's the time to level up your bug bounty program with Intigriti. These pages belong to Facebook API graph, Facebook Ads Manager, and Facebook Business accounts. Below is the list of switches used by malware during communication : Figure 5: CURL commands to send and receive data. Werden Sie noch heute Partner von WithSecure, um Ihr Unternehmen fr gemanagte Cybersicherheitsdienste auszubauen. These include an Excel add-in file (.xll) and a .NET downloader. Over the course of the last two or three months, Ducktail also has registered multiple fraudulent companies in Vietnam, apparently as a cover for obtaining digital certificates for signing its malware. WithSecure Countercept untersttzt Ihr Cybersicherheitsteam und verbessert deren Fhigkeit, Angriffe erfolgreich abzuwehren. The following are the details that the malware attempts to fetch from the Facebook Business pages: Post infection, the PHP script tries to connect to the C&C server to get the list of contents stored in JSON format, which further will be used to gather information. Here, the primary task is to call a PHP script which performs malicious functions in the system. To ensure your e-commerce site is ready for the holiday rush, it's vital to ensure it is secure. Figure 3: Code of custom Job scheduling binary. "Like older versions (.NetCore), the latest version (PHP) also aims to exfiltrate sensitive information related to saved browser credentials, Facebook account information, etc.," Zscaler ThreatLabz researchers Tarun Dewan and Stuti Chaturvedi said. This file allows you to find the list of created profiles. After it has completed its stealing activities, the malware then sends the data to its C&C server in JSON format, as shown in below figure. Figure 7: c_user argument is used to fetch the Facebook user ID. This data is used and called later on to perform stealing activities on the victims machine. In situations where the threat actor gains access to the finance editor role on a compromised Facebook business account, they also have the ability to modify business credit card information and financial details, such as transactions, invoices, account spending, and payment methods, Nejad says. WithSecure spotted Ducktail's activity earlier this year and disclosed details of its tactics and techniques in a July blog post. In the backend, it generates a .tmp file that re-initiates the installer with /Silent parameter and thereafter another .tmp file gets generated. Similar to previous steps, the stealer code also gets decrypted at runtime in memory and subsequently performs stealing operations and exfiltration of data. Individuals the group has typically targeted include people with managerial roles or roles in digital marketing, digital media, and human resources. In order to achieve the same, a PHP script is passed as an input to the php.exe rather than directly leveraging the job scheduling binary. Organizations should also enforce application whitelisting to prevent unknown executables from running, ensure that all managed or personal devices used with company Facebook accounts have basic hygiene and protection in place, and use private browsing to authenticate each work session when accessing Facebook Business accounts. Looks for crypto account information in the wallet.dat file. WithSecure cyber security experts assess the cyber risks your organisation faces and develop cyber security solutions that align with your business goals. WithSecure Labs: With great research comes great responsibility. Upon execution, the fake installer pops-up a Checking Application Compatibility GUI in the frontend. The below figure exhibits the code present inside the binary, aiming to schedule tasks at three different levels. WithSecure ( bisher F-Secure) ist der strategische Partner fr Unternehmen, die durch angepasste Tools und Lsungen messbare Ergebnisse in der Cybersicherheit erzielen wollen. The latter generated .tmp file then drops all the supporting files and malicious files at %Localappdata%\Packages\PXT\v2-0\ location (in our present scenario) and then executes two processes (as depicted in above figure) to achieve the below mentioned purposes. The tampered apps and their updates are pushed to users through the fraudulent website. Figure 11: Contents kept at C&C location which will be used for achieving successful implementation of stealing code. None of these apps are available on Google Play Store. It tries to decode data using an AES 256 decrypt key which is called by currentdata40.exe file. Gets the details of the local state file in the %APPDATA%/Google/Chrome/User Data in Windows. Helsinki, Finland November 22, 2022: DUCKTAIL, a Vietnam-based cyber crime operation discovered by WithSecure (formerly known as F-Secure business) earlier this year, has continued to evolve their operations, according to a new analysis. Adding an email address to a Facebook Business account prompts Facebook to send a link via email to that address which, in this case, is controlled by the attacker. While investigating Ducktail incidents, WithSecure discovered that some victims were targeted with archive files via WhatsApp. For those companies, there's a lot at stake this holiday season. "Devices with a Mali GPU are currently vulnerable." It uses the CURL command for receiving and sending the files over HTTP. Also targeted are individuals within prospective companies that are likely to have high-level access to Facebook Business accounts. Build and run secure cloud apps, enable zero trust cloud connectivity, and protect workloads from data center to cloud. To achieve persistence, a series of events takes place to execute the malicious payload, named libbridged.exe, on the system. After WithSecure exposed their operation in August this year, the operation stopped and the attackers reworked some of their toolset. WithSecure also identified several multi-stage variants of Ducktail that would deliver the main information stealer as a final payload. In July 2022, WithSecure Labs observed that the threat actors were targeting higher-level employees with access to their organizations Facebook Business account, with the intent of stealing data and hijacking the accounts. 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"The operation ultimately hijacks Facebook Business accounts to which the victim has sufficient access. coming soon, Swedish Einheitliche cloudbasierte Cybersicherheitsplattform, WithSecure ist der zuverlssige Partner fr Cybersicherheit, Schrfen Sie den Blick Ihres Unternehmens fr Cyberrisiken, Erfllung und bertreffen der gesetzlichen Anforderungen, Fhren Sie ein kosteneffektives Sicherheitsprogramm durch, Steigern Sie die Effizienz Ihrer Sicherheitsteams, Sicherstellung der Widerstandsfhigkeit gegen Malware und Ransomware, Erzielen Sie Transparenz in Ihrer gesamten Umgebung, Beschleunigen Sie Ihre Cloud-Reise mit Vertrauen, Optimieren Sie Ihre Erkennungs- und Reaktionsmglichkeiten, Verringerung der Kosten und Auswirkungen von Cyber-Vorfllen, WithSecure Elements Endpoint Detection and Response, WithSecure Elements Vulnerability Management, WithSecure Elements Collaboration Protection, WithSecure Cloud Protection for Salesforce, Countercept Managed Detection and Response (MDR). English This would allow the threat actor to add other businesses to the credit card and monthly invoices, and use the linked payment methods to run ads. Follow us on, Critical Ping Vulnerability Allows Remote Attackers to Take Over FreeBSD Systems, Researchers Detail New Attack Method to Bypass Popular Web Application Firewalls, Open Source Ransomware Toolkit Cryptonite Turns Into Accidental Wiper Malware, Google Warns of Internet Explorer Zero-Day Vulnerability Exploited by ScarCruft Hackers, New Go-based Botnet Exploiting Exploiting Dozens of IoT Vulnerabilities to Expand its Network, MuddyWater Hackers Target Asian and Middle East Countries with Updated Tactics, Researchers Uncover Darknet Service Allowing Hackers to Trojanize Legit Android Apps, How XDR Helps Protect Critical Infrastructure, Understanding NIST CSF to assess your organization's Ransomware readiness, Empower developers to improve productivity and code security. Our managed security service takes the pain out of vulnerability disclosure and uses our active hacking community to suit your exact security needs. A majority of the users who downloaded the rogue apps are located in the U.K. and Italy, Romanian cybersecurity company Bitdefender said in an analysis published this week. WithSecure Salesforce Cloud Security bietet Echtzeitschutz vor Viren und Malware. The attack chain starts with the threat actor sending the targeted individual a spear-phishing lure via LinkedIn or WhatsApp. "The malware is designed to steal browser cookies and take advantage of authenticated Facebook sessions to steal information from the victim's Facebook account," WithSecure researcher Mohammad Kazem Hassan Nejad said in a new analysis. The code explanation of the same will be discussed later. coming soon The Hacker News, 2022. The vulnerabilities, collectively tracked under the identifiers CVE-2022-33917 (CVSS score: 5.5) and CVE-2022-36449 (CVSS score: 6.5), concern a case of improper memory processing, thereby allowing a non-privileged user to gain access to freed memory. The Ducktail information stealer has been updated with new capabilities and the threat actors that use it have been expanding their operation, according to WithSecure, formerly known as F-Secure Business. It has since been linked to a number of attacks on government agencies, manufacturers, and other high-profile entities like Embraer and GIGABYTE. The tactic of Ducktail's operators is to first identify organizations that have a Facebook Business or Ads account and then target individuals within those companies whom they perceive as having high-level access to the account. coming soon, English The second flaw, CVE-2022-36449, can be further weaponized to write outside of buffer bounds and disclose details of memory mappings, according to an advisory issued by Arm. Local State is a JSON file that is located directly under Chrome's user data directory. Ducktail has been observed using LinkedIn to target organizations and individuals operating on Facebook's Ads and Business platform to hijack Facebook Business accounts. A set of five medium-severity security flaws in Arm's Mali GPU driver has continued to remain unpatched on Android devices for months, despite fixes released by the chipmaker. Upon launch, the malware establishes a connection to the C2 and waits for a duration of time to receive a list of attacker-controlled email addresses in order to proceed, he adds. Our expert triage team, renowned community management, and impact-focused customer support are enabling businesses to protect themselves against emerging cybersecurity threats. A WithSecure (korbban F-Secure Business) kutati ltal vizsglt legjabb incidensek azt mutatjk, hogy a Ducktail mgtt ll szereplk a taktikjukat s a krtevket gy alaktottk t, hogy elkerljk a feldertst. A to Z Cybersecurity Certification Training. The activity, which has been active since January 2022, entails distributing rogue VPN apps through a fake SecureVPN website set up for this purpose, Slovak cybersecurity firm ESET said in a new report shared with The Hacker News. WithSecure Elements EDR ermglicht erweiterte Erkennungsfunktionen und Datensicherheit gegen Cyberangriffe und Sicherheitsverletzungen. A PHP version of an information-stealing malware called Ducktail has been discovered in the wild being distributed in the form of cracked installers for legitimate apps and games, according to the latest findings from Zscaler. Fetches browser information installed in the system. Execution of the installer, in turn, activates a PHP script that ultimately launches the code responsible for stealing and exfiltrating data from web browsers, cryptocurrency wallets, and Facebook Business accounts. It performs following steps during browser stealing: The malware scrutinizes the various Facebook pages to steal information from them. "The operation ultimately hijacks Facebook Business accounts to which the victim has sufficient access. The financially motivated cybercriminal operation was first documented by Finnish cybersecurity company WithSecure (formerly F-Secure) in late July 2022. "These fixes have not yet made it downstream to affected Android devices (including Pixel, Samsung, Xiaomi, Oppo, and others)," Project Zero researcher Ian Beer said in a report. According to Digital Commerce 360, nearly $1.00 of every $4.00 spent on retail purchases during the 2022 holiday season will be spent online, resulting in $224 billion in e-commerce sales. Genau das bieten wir. The first of these was registered in 2017, but it made the first certificate purchase only in 2021. Vietnam-based cyber crime operation continues to evolve and expand operations. In October, the attackers switched back to self-contained .NET Core 3 Windows binaries that featured anti-analysis code copied from GitHub. coming soon. SharkBot, first discovered towards the end of 2021 by Cleafy, is a recurring mobile threat distributed both on the Google Play Store and other third-party app stores. All Rights Reserved. Consequently, cli, Critical Ping Vulnerability Allows Remote Attackers to Take Over FreeBSD Systems, Researchers Detail New Attack Method to Bypass Popular Web Application Firewalls, Open Source Ransomware Toolkit Cryptonite Turns Into Accidental Wiper Malware, New Go-based Botnet Exploiting Exploiting Dozens of IoT Vulnerabilities to Expand its Network, Google Warns of Internet Explorer Zero-Day Vulnerability Exploited by ScarCruft Hackers, Researchers Uncover Darknet Service Allowing Hackers to Trojanize Legit Android Apps, MuddyWater Hackers Target Asian and Middle East Countries with Updated Tactics, How XDR Helps Protect Critical Infrastructure, Understanding NIST CSF to assess your organization's Ransomware readiness, Empower developers to improve productivity and code security. "The operation ultimately hijacks Facebook Business accounts to which the victim has sufficient access. This is not the first time the ransomware crew has been observed using Qakbot (aka QBot, QuackBot, or Pinkslipbot). This site uses JavaScript to provide a number of functions, to use this site please enable JavaScript in your browser. Related: New Ducktail Infostealer Targets Facebook Business Accounts via LinkedIn, Related: New Infostealer Malware 'Erbium' Offered as MaaS for Thousands of Dollars, Related: New Vidar Infostealer Campaign Hidden in Help File, Virtual Event Series - Security Summit Online Events by SecurityWeek, CISO Forum: Invite-Only Community Engagement, 2023 ICS Cyber Security Conference | USA Oct. 23-26]. The malware still relies on Telegram as its C&C channel. "The malware is designed to steal browser cookies and take advantage of authenticated Facebook sessions to steal information from the victim's Facebook account," WithSecure researcher Mohammad Kazem Hassan Nejad said in a new analysis. A new Ducktail phishing campaign is spreading a never-before-seen Windows information-stealing malware written in PHP used to steal Facebook accounts, browser data, and cryptocurrency wallets. Good security requires partnership. While safety and security are top priorities for businesses of all sizes, it is essential for those who operate in the e-commerce space. One of the trojan's primary goals is to initiate money transfers from compromised devices via a technique called "Automatic Transfer System" ( ATS ), in which a transaction triggered via a banking app is intercepted to swap the payee account with an actor-controlled account in the background. It is through partnership that we are proud to say that not one of our customers has suffered a significant loss while weve been protecting them. "The operation ultimately hijacks Facebook Business accounts to which the victim has sufficient access. Black Basta, which emerged in April 2022, follows the tried-and-tested approach of double extortion to steal sensitive data from targeted companies and use it as a leverage to extort cryptocurrency payments by threatening to release the stolen information. coming soon, English To evade detection, the threat actor has been signing the malware with EV (extended validation) certificates, and has been observed changing these certificates after revocation, mid-campaign. First Step For The Internet's next 25 years: Adding Security to the DNS, Tattle Tale: What Your Computer Says About You, Be in a Position to Act Through Cyber Situational Awareness, Report Shows Heavily Regulated Industries Letting Social Networking Apps Run Rampant, Don't Let DNS be Your Single Point of Failure, The Five As that Make Cybercrime so Attractive, Security Budgets Not in Line with Threats, Anycast - Three Reasons Why Your DNS Network Should Use It, The Evolution of the Extended Enterprise: Security Strategies for Forward Thinking Organizations, Using DNS Across the Extended Enterprise: Its Risky Business. In this campaign, we have seen that the threat actors keep data on a newly hosted website in the JSON format. Copyright 2022 Informa PLC Informa UK Limited is a company registered in England and Wales with company number 1072954 whose registered office is 5 Howick Place, London, SW1P 1WG. Code signing certificates have been acquired via businesses registered in Vietnam, with seven such firms identified to date. This feature is known as local data encryption. We provide the partnership that businesses need to understand to combat their cyber security threats. The State of Developer-Driven Security 2022 Report. WithSecure observed several multi-stage subvariants of DUCKTAIL that are used to deliver the final payload, the researchers highlighted that this is the primary information stealer malware in all cases. Deshalb bestehen so viele unserer Partnerschaften seit einem Jahrzehnt oder lnger. The malware was seen launching a dummy file to hide its malicious intent, such as a document (.docx), spreadsheet (.xlsx), or video (.mp4). It's also capable of serving a fake login overlay when users attempt to open legitimate banking apps, stealing the credentials in the proce. Google Project Zero, which discovered and reported the bugs, said Arm addressed the shortcomings in July and August 2022. These groups, which are active on Telegram and have around 200 members on aver, The operators of the Ducktail information stealer have demonstrated a "relentless willingness to persist" and continued to update their malware as part of an ongoing financially driven campaign. "The malware is designed to steal browser cookies and take advantage of authenticated Facebook sessions to steal information from the victim's Facebook account," WithSecure researcher Mohammad Kazem Hassan Nejad said in a new analysis. Es braucht einen Partner mit dem besten Fachwissen, der richtigen Technologie und dem richtigen Ansatz, um sicherzustellen, dass Ihr Unternehmen die gewnschten Ergebnisse erzielt. Provide zero trust connectivity for OT and IoT devices and secure remote access to OT systems. Far from slowing down, the group appears to have expanded its operations, onboarding multiple affiliate groups to its campaign, WithSecure said in a report on Nov. 22. Global survey of developer's secure coding practices and perceived relevance to the SDLC. Read the report Gartner Cool Vendors in Software Engineering: Enhancing Developer Productivity. Since 2021, DUCKTAIL has WithSecure, however, said the activity has no connection whatsoever to the campaign it tracks under the Ducktail moniker. This blog will show the attack chain, decipher and explain the stages of execution, and provide technical analysis of the PHP code of Ducktail Infostealer. It's also suspected that the targets are carefully selected, since launching the app requires the victim to enter an activation key to enable the features. WithSecure:n Countercept MDR-palvelu toimii tietoturvatiimisi jatkeena, jakaa asiantuntemustamme uhkien metsstyksest, auttaa tiimisi kehittymn sek tukee organisaatiosi tietoturvan jatkuvaa parantamista. The threat actor uses their gained access to run ads for monetary gain." The malware collects similar information on any ad accounts associated with the compromised Facebook account. "The malware is designed to steal browser cookies and take advantage of authenticated Facebook sessions to steal information from the victim's Facebook account," WithSecure researcher Mohammad Kazem Hassan Nejad said in a new analysis. Learn how to perform vulnerability assessments and keep your company protected against cyber attacks. In total, over 890,000 devices in 111 countries were infected during the time frame. Attributed to a Vietnamese threat actor, the Ducktail campaign is designed to target businesses in the digital marketing and advertising sectors which are active on the Facebook Ads and Business platform. The operators of the RansomExx ransomware have become the latest to develop a new variant fully rewritten in the Rust programming language, following other strains like BlackCat , Hive , and Luna . The following figure is a pictorial representation of how the PHP version of Ducktail stealer is being distributed and its execution on the victim's machine. With that, lets dive into the technical analysis of the Ducktail PHP code. Instead of calling the script directly, it walks through a sequence of steps. Ducktail, which emerged on the threat landscape in late 2021, is attributed to an unnamed Vietnamese threat actor, with the malware primarily designed to hijack Facebook business and advertising accounts. Following public disclosure, the digital certificate used in the campaign was revoked, which resulted in the attackers attempting to use invalid certificates. One of these hands-on incidents involved a victim operating entirely within the Apple ecosystem that had not logged on to their Facebook account from any Windows machine. Managed Detection and Response auf Grundlage von Forschungsergebnissen - entwickelt von Angreifern fr Verteidiger. In August 2022, the Zscaler Threatlabz team saw a new campaign consisting of a new edition of the Ducktail Infostealer with new TTPs. DUCKTAIL-hykkykset ovat aiheuttaneet uhreille satojentuhansien eurojen edest vahinkoja. coming soon Campaigns to-date have focused on taking over Facebook Business accounts, both to manipulate pages and to access financial information. Nehmen Sie an einem der kommenden Webinare teil - oder schauen Sie sich einfach eine Aufzeichnung zu einem vorangegangen Thema an. A financially motivated threat actor targeting individuals and organizations on Facebook's Ads and Business platform has resumed operations after a brief hiatus, with a new bag of tricks for hijacking accounts and profiting from them. Group-IB said the members of several scam groups who are propagating the information stealers previously participated in the Classiscam operation. The latest version, dubbed RansomExx2 by the threat actor known as Hive0091 (aka DefrayX), is primarily designed to run on the Linux operating system, although it's expected that a Windows version will be released in the future. "The operation ultimately hijacks Facebook Business accounts to which the victim has sufficient access. Users who fall for the lure end up having Ducktail's information stealer installed on their system. It uses the c_user argument which is placed by Facebook to fetch the unique User ID of the victim machine, as shown in the below screenshot. Its purpose or functionality is to schedule tasks in three forms to ensure that the malicious code gets executed on a daily basis and on regular intervals. 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Copyright 2022 Wired Business Media. Ducktail has been around since 2021, and is attributed to a Vietnamese threat group. WithSecure Countercept is an extension of your cyber security team, uplifting your ability to deter and resist attacks. Join us for a live fireside chat with MikkoHypponen, Chief Research Officer atWithSecure, as we discuss his predictions for the future of the internet and itstransformative potential. When a targeted victim might not have sufficient access to allow the malware to add the threat actors email addresses, the threat has actor relied on the information exfiltrated from the victims machines and Facebook accounts to impersonate them. Provide users with seamless, secure, reliable access to applications and data. Figure 8: Malware looks for account details. To deliver the experience customers crave, many websites embed third-party solutions at every stage of the customer journey. Learn how to perform vulnerability assessments and keep your company protected against cyber attacks. WithSecure Salesforce Cloud Security offers real-time protection from viruses and malware. However, compared to previous campaigns, changes have been made in the execution of malicious code. The information stealer can "steal information from the victim's Facebook account and hijack any Facebook Business account to which the victim has sufficient access by adding attacker-controlled email addresses into the business account with administrator privileges and finance editor roles," Nejad says. Ducktail phishing campaigns were first revealed by researchers from WithSecure in July 2022, who linked the attacks to Vietnamese hackers. After discovering that the efforts were not paying off, the attackers stopped the malware distribution in August, WithSecure says. Get this video training with lifetime access today for just $39! Once the theft is completed, the same website is used to store the stolen data. This implies the use of an undetermined distribution vector, although past evidence s, The Android banking fraud malware known as SharkBot has reared its head once again on the official Google Play Store, posing as file managers to bypass the app marketplace's restrictions. One-Stop-Shop for All CompTIA Certifications! Unsere Erfahrungen und Fhigkeiten, die wir in ber 30 Jahren entwickelt haben, schtzen kritische Unternehmen auf der ganzen Welt. In addition to sandbox detections, Zscalers multilayered cloud security platform detects payloads with following threat name: The worlds largest security platform built for the cloud, A platform that enforces policy based on context, Learn its principles, benefits, strategies, Traffic processed, malware blocked, and more. Robert Lemos, Contributing Writer, Dark Reading, Jai Vijayan, Contributing Writer, Dark Reading, Andrea Fisher, Security Specialist, Microsoft, Cybersecurity Outlook 2023 - December 13 Event, Security Considerations for Working with Cloud Services Providers, Cybersecurity Outlook 2023 - A Dark Reading, Black Hat, Omdia December 13 Virtual Event | , Black Hat USA 2022 Attendee Report | Supply Chain & Cloud Security Risks Are Top of Mind | , How Machine Learning, AI & Deep Learning Improve Cybersecurity, Implementing Zero Trust In Your Enterprise: How to Get Started, SOC Turns to Homegrown Machine Learning to Catch Cyber Intruders, Where Advanced Cyberattackers Are Heading Next: Disruptive Hits, New Tech, One Year After Log4Shell, Most Firms Are Still Exposed to Attack, State of Ransomware Readiness: Facing the Reality Gap. It is worth noting that instead of making a one-go binary that would perform all actions, the threat actors have divided the execution into parts based on their intended purpose. These include an Excel add-in file (.xll) and a .NET downloader. WithSecure Elements EDR provides enhanced detection capabilities and data security against cyber attacks and breaches. 2022/11/23 SecurityAffairs 20227 WithSecure ( F-Secure Business) Facebook BusinessAds Ducktail Using the profile we can maintain information of different accounts separately such as apps, bookmarks, accounts, etc. Ducktails operators have been active since at least 2018, while the malware has been in use since the second half of 2021. Dutch Financially motivated, the threat actor is targeting organizations operating on Facebooks Business/Ads platform to hijack their accounts. Like older versions (.NetCore), the latest version (PHP) also aims to exfiltrate sensitive information related to saved browser credentials, Facebook account information, etc. In July 2022. The initial vector for this incident has been left undetermined due to insufficient evidence. In evaluating the spate of info-stealing malware being distributed over past couple of months, the Zscaler ThreatLabz research team has come across an interesting campaign. "The malware is designed to steal browser cookies and take advantage of authenticated Facebook sessions to steal information from the victim's Facebook account," WithSecure researcher Mohammad Kazem Hassan Nejad said in a new analysis. Now, the threat actors have switched to a scripting version whereby the main stealer code is a PHP script and not a .Net binary. "The threat actor could also use their newfound access to blackmail a company by locking them out of their own page.". French "The malware is designed to steal browser cookies and take advantage of authenticated Facebook sessions to steal information from the victim's Facebook account," WithSecure researcher Mohammad Kazem Hassan Nejad said in a new analysis. Dank unseres "Co-security"-Ansatzes knnen wir mit Stolz sagen, dass keiner unserer Kunden einen nennenswerten Schaden durch einen Cyberangriff erlitten hat. A Vietnam-based hacking operation dubbed "Ducktail" is targeting individuals and companies operating on Facebook's Ads and Business platform. Reach out to get featuredcontact us to send your exclusive story idea, research, hacks, or ask us a question or leave a comment/feedback! Partner with WithSecure today to grow your managed cyber security services business. In fact, for certain e-commerce businesses, their suite of third-party plugins is how they create and sustain a competitive advantage. After WithSecure exposed their operation in August this year, the operation stopped and the attackers reworked some of their toolset. Our experience and capability, developed over 30 years, protects critical businesses around the world. Norwegian The PHP version of Ducktail Infostealer is actively being distributed by pretending to be a free/cracked application installer for a variety of applications including games, Microsoft Office applications, Telegram, and others. Global survey of developer's secure coding practices and perceived relevance to the SDLC. "Malware written in Rust often benefits from lower [antivirus] detection rates (compared to those written in more common languages) and this may have been the primary reason to use the language," IBM Security X-Force researcher Charlotte Hammond said in a report published this week. The instances of the Ducktail infostealer were identified in late 2021. Reach out to get featuredcontact us to send your exclusive story idea, research, hacks, or ask us a question or leave a comment/feedback. "The operation ultimately hijacks Facebook Business accounts to which the victim has sufficient access. "The malware is designed to steal browser cookies and take advantage of authenticated Facebook sessions to steal information from the victim's Facebook account," WithSecure researcher Mohammad Kazem Hassan Nejad said in a new analysis. The job scheduling binary is a dotNet binary. It seems that the threat actors behind the Ducktail stealer campaign are continuously making changes or enhancement in the delivery mechanisms and approach to steal a wide variety of sensitive user and system information targeting users at large. WithSecure spotted Ducktail's activity earlier this year and disclosed details of its tactics and techniques in a July blog post. Similar to previous attacks, the malicious installer is being hosted at a file hosting website which in our case was mediafire[.]com. Sign up for free and start receiving your daily dose of cybersecurity news, insights and tips. Gute Cybersicherheit erfordert eine gute Partnerschaft. Welcome to the evolution of WithSecure Elements in Q3/2022. Keep up with the latest cybersecurity threats, newly-discovered vulnerabilities, data breach information, and emerging trends. Found this article interesting? coming soon. New 'Quantum-Resistant' Encryption Algorithms. New 'Quantum-Resistant' Encryption Algorithms. French While exploring the campaign, we observed that the malicious executable files are mostly in .ZIP format and hosted on file sharing platforms, posing as cracked or free versions of Office applications, games, subtitle files, porn related files, and others. Usually Chrome encrypts its highly sensitive data using AES 256 encryption. "It seems that the threat actors behind the Ducktail stealer campaign are continuously making changes or enhancement in the delivery mechanisms and approach to steal a wide variety of sensitive user and system information targeting users at large," the researchers said. Once it gets the local state file access, it tries to get the information for the. Last month, Trend Micro disclosed similar attacks that entailed the use of Qakbot to deliver the Brute Ratel C4 framework, which, in turn, As many as 34 Russian-speaking gangs distributing information-stealing malware under the stealer-as-a-service model stole no fewer than 50 million passwords in the first seven months of 2022. coming soon, Swedish "The underground market value of stolen logs and compromised card details is estimated around $5.8 million," Singapore-headquartered Group-IB said in a report shared with The Hacker News. Pulls out stored information of browser cookies from the system. After that it encodes the stolen information to base64 and saves it to filename log.txt. "The operation ultimately hijacks Facebook Business accounts to which the victim has sufficient access. "Like older versions (.NetCore), the latest version (PHP) also aims to exfiltrate sensitive information related to saved browser credentials, Norwegian "The malware is designed to steal browser cookies and take advantage of authenticated Facebook sessions to steal information from the victim's Facebook account," WithSecure researcher Mohammad Kazem Hassan Nejad said in a new analysis. Nejad says that prior versions of Ducktail's information stealer contained a hard-coded list of email addresses to use for hijacking business accounts. WithSecure (previously F-Secure) is the strategic partner for businesses that want measurable cyber security outcomes through customised tools & solutions. The malware would fetch email addresses from its command-and-control (C&C) server and was seen encrypting the data exfiltrated to the C&C. The Vietnam-based threat campaign, dubbed Ducktail, has been active since at least May 2021 and has affected users with Facebook business accounts in the United States and more than three dozen other countries. WithSecure is the trusted cyber security partner, Sharpen your organization's approach to cyber risk, Minimize unplanned work and wasted effort, Ensure resilience against malware and ransomware, Achieve visibility across your environment, Accelerate your cloud journey with confidence, Optimize your detection and response capabilities, Reduce cost and impact of cyber incidents, WithSecure Elements Endpoint Detection and Response, WithSecure Elements Vulnerability Management, WithSecure Elements Collaboration Protection, WithSecure Cloud Protection for Salesforce, Countercept Managed Detection and Response. A Step-By-Step Guide to Vulnerability Assessment. Earlier this year, the Ducktail infostealer was being delivered via LinkedIn, but the operators have changed techniques, to evade detection. A majority of the victims were located in the U.S., followed by Brazil, India, Germany, Indonesia, the Philippines, France, Turkey, Vietnam, and Italy. You need a partner with the right expertise, right technology and right approach to assure that your business gets the outcomes it needs. Yet many e-commerce sites are inherently insecure and vulnerable to attack due to their reliance on untrustworthy third-party solutions. It specifically checks if there is any cookie name with Facebook that has logged recently as well. Figure 1: Attack chain & Flow of Execution. In September, however, the attackers resumed their activity, using a new malware variant compiled using the .NET 7 NativeAOT feature but based on the same code base as before. "The malware is designed to steal browser cookies and take advantage of authenticated Facebook sessions to steal information from the victim's Facebook account," WithSecure researcher Mohammad Kazem Hassan Nejad said in a new analysis. The instances of the Ducktail infostealer were identified in late 2021. 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Payment method [ credit card, debit card etc. The disclosure forced Ducktail's operators to suspend operations briefly while they devised new methods for continuing with their campaign. Aside from looting passwords, the stealers also harvested 2.11 billion cookie files, 113,204 crypto wallets, and 103,150 payment cards. In addition to using LinkedIn as an avenue for spear-phishing targets, as it did in previous campaigns, the Ducktail group has now begun using WhatsApp for targeting users as well. Research, development, updates and tooling you can use. Get this video training with lifetime access today for just $39! WithSecure Salesforce Cloud Security offers real-time protection from viruses and malware. At least eight different variants of the spyware apps have been discovered to date, with them being trojanized versions of legitimate VPN apps like SoftVPN and OpenVPN . The malware steals a wide range of information on all businesses associated with the Facebook account, including name, verification stats, ad spending limits, roles, invite link, client ID, ad account permissions, permitted tasks, and access status. WithSecure will be attending the much anticipated CRN MSP Transform event in London. Intigriti's expert triage team and global community of ethical hackers are enabling businesses to protect themselves against every emerging cybersecurity threat. "The hijacked business could therefore be used for purposes such as advertising, fraud, or even to spread disinformation," Nejad says. While previous versions of the malware were found to use Telegram as a command-and-control (C2) channel to exfiltrate information, the PHP variant spotted in August 2022 establishes connections to a newly hosted website to store the data in JSON format. Are you experiencing slow bug bounty lead times, gaps in security skills, or low-quality reports from researchers? The group has also tweaked the capabilities of its primary information stealer and has adopted a new file format for it, to evade detection. "The operation ultimately hijacks Facebook Business accounts to which the victim has sufficient access. The threat actors are now targeting the public at large, rather than specifically targeting employees with Admin or Finance access to Facebook Business accounts. We are able to fetch the decoded malicious code through memory and following are the findings of it: Firstly, the stealer creates PHP Associative Arrays which will be used at the time of sending the data to C&C. This includes, Delivering a superior customer experience is essential for any e-commerce business. The report lists several steps that organization can take to mitigate exposure to Ducktail-like attack campaigns, beginning with raising awareness of spear-phishing scams targeting users with access to Facebook business accounts. Looking for Malware in All the Wrong Places? Our experts will discuss the concept of outcome-based security and what this means in practice with out partners and customers. The malicious script collects information about installed browsers in the system and extracts the required data from it such as machineID, browser version, and filename, and copies this data. Also, in a sign that the actors behind the malware are expanding their targeting scope, rather than setting their sights only on employees with Admin or Finance access to Facebook Business accounts, the refreshed Ducktail campaign is aimed at the regular Facebook users as well. Earlier versions (observed by WithSecure Labs) were based on a binary written using .NetCore with Telegram as its C2 Channel to exfiltrate data. The PHP script (in our present case named as switcher.php) consists of code to decrypt a base64 encoded text file (which in our case is named as switcher.txt). The following table articulates the various functions performed by the stealer: Victim sensitive information uploaded to the server, Creates the pattern of stolen data which will be sent during POST request, Fetches the details of machine ID from the victim system, Gets the details of different directories from which data will be stolen, Deletes all the files and folders where malware copied the stolen information, Copies files and directories, including subdirectories with 0775 permission, which means read and execute access for everyone and also write access for the owner of the file, Compresses all the stolen files and folders, Extracts the information of installed browsers in the victim machine, Extracts details of browser cookies from the system. According to WithSecure, following the exposure of Ducktail's activities this summer, the threat actor has changed its tactics to expand its operations and evade detection. "However, with the recent campaign, we observed the threat actor removing this functionality and relying entirely on fetching email addresses directly from its command-and-control channel (C2)," hosted on Telegram, the researcher says. Read more. Build a better bug bounty program Intigriti is more than a bug bounty platform. ]. Unsere Webinare bieten Expertendiskussionen zu den neuesten Entwicklungen und Trends sowie weiterfhrende Informationen, Tipps und Tricks rund um das Thema Cybersecurity. All Rights Reserved. Research-led Managed Detection and Response, built by attackers for defenders. Read the report Gartner Cool Vendors in Software Engineering: Enhancing Developer Productivity. WithSecure-Cybersicherheitsexperten bewerten die Cyberrisiken, denen Ihre Organisation ausgesetzt ist, und entwickeln Cybersicherheitslsungen, die auf Ihre Unternehmensziele abgestimmt sind. "In this latest campaign, the Black Basta ransomware gang is using QakBot malware to create an initial point of entry and move laterally within an organization's network," Cybereason researchers Joakim Kandefelt and Danielle Frankel said in a report shared with The Hacker News. The State of Developer-Driven Security 2022 Report. Cookie information is saved to c.txt and then sent to C&C. The investigation found no sign of malware usage or host compromise across user devices, WithSecure says. The threat actor uses that link to gain access to the account, according to WithSecure. Figure 12: Stolen data sent to command and control server. Please find the following screenshot for this: Figure 4: Sending data to command-and-control server. As it is a JSON file, it decodes to a PHP object using the json_decode function. A PHP version of an information-stealing malware called Ducktail has been discovered in the wild being distributed in the form of cracked installers for legitimate apps and games, according to the latest findings from Zscaler. Join the likes of Intel, Yahoo, and Sixt who levelled up their security with Intigriti to enjoy higher quality bug bounty reports, faster lead times, and an intuitive platform. coming soon, English Companies based in the U.S. have been at the receiving end of an "aggressive" Qakbot malware campaign that leads to Black Basta ransomware infections on compromised networks. The malware was seen launching a dummy file to hide its malicious intent, such as a document (.docx), spreadsheet (.xlsx), or video (.mp4). Read more about the WithSecure MSP partner program. Attack chains observed by Zscaler entail embedding the malware in ZIP archive files hosted on file-sharing services like mediafire[. 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