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Submission: On March 20 via api from TR — Scanned from DE
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Menu * Tools * ATOMs * Security Consulting * About Us * Under Attack? * * About Unit 42 * Services Services Assess and Test Your Security Controls * Attack Surface Assessment * Breach Readiness Review * BEC Readiness Assessment * Compromise Assessment * Cyber Risk Assessment * M&A Cyber Due Diligence * Penetration Testing * Purple Team Exercises * Ransomware Readiness Assessment * SOC Assessment * Supply Chain Risk Assessment * Tabletop Exercises * Unit 42 Retainer Transform Your Security Strategy * IR Plan Development and Review * Security Program Design * Virtual CISO Respond in Record Time * Cloud Incident Response * Digital Forensics * Incident Response * Managed Detection and Response * Managed Threat Hunting * Unit 42 Retainer UNIT 42 RETAINER Custom-built to fit your organization's needs, you can choose to allocate your retainer hours to any of our offerings, including proactive cyber risk management services. Learn how you can put the world-class Unit 42 Incident Response team on speed dial. Learn more * Unit 42 Threat Research Unit 42 Threat Research Unit 42 Threat Research * Threat Briefs and Assessments Details on the latest cyber threats * Tools Lists of public tools released by our team * Threat Reports Downloadable, in-depth research reports THREAT REPORT 2024 Unit 42 Incident Response Report Read now THREAT BRIEF Russia-Ukraine Cyberattacks: How to Protect Against Related Cyberthreats Including DDoS, HermeticWiper, Gamaredon, Website Defacement Learn more THREAT REPORT Highlights from the Unit 42 Cloud Threat Report, Volume 6 Learn more * Partners Partners Partners * Threat Intelligence Sharing * Law Firms and Insurance Providers * Threat Intel Bulletin THREAT REPORT 2022 Unit 42 Ransomware Threat Report: Understand trends and tactics to bolster defenses Learn more THREAT BRIEF Russia-Ukraine Cyberattacks: How to Protect Against Related Cyberthreats Including DDoS, HermeticWiper, Gamaredon, Website Defacement Learn more THREAT BRIEF Operation Falcon II: Unit 42 Helps Interpol Identify Nigerian Business Email Compromise Ring Members Learn more * Resources Resources Resources * Research Reports * Webinars * Customer Stories * Datasheets * Videos * Infographics * Whitepapers * In the News * Cyberpedia Industries * Financial Services * Healthcare * Manufacturing THREAT REPORT 2023 Unit 42 Ransomware and Extortion Report: Get the latest multi-extortion trends and insights to keep your organization protected. Learn more RESEARCH REPORT Gartner Market Guide for Digital Forensics and Incident Response Services Learn more * * Under Attack? Search All * Tech Docs Close search modal UNIT 42 COLLABORATIVE RESEARCH WITH UKRAINE’S CYBER AGENCY TO UNCOVER THE SMOKE LOADER BACKDOOR * 874 people reacted * * 6 * 4 min. read Share By Unit 42 March 19, 2024 at 3:00 AM Category: Malware Tags: Advanced Threat Prevention, Advanced URL Filtering, Advanced WildFire, Cloud-Delivered Security Services, Cortex XDR, Cortex XSIAM, DNS security, next-generation firewall, Smoke Loader, Spear Phishing, UAC-0006, Ukraine This post is also available in: 日本語 (Japanese) EXECUTIVE SUMMARY This article announces the publication of our first collaborative effort with the State Cyber Protection Centre of the State Service of Special Communications and Information Protection of Ukraine (SCPC SSSCIP). This collaborative research focuses on recent Smoke Loader malware activity observed throughout Ukraine from May to November 2023 from a group the CERT-UA designates as UAC-0006. Unit 42 has been collaborating with Ukraine for many years to share actionable intelligence and expertise. As the war in Ukraine enters its third year, Ukraine faces an all-time high in both volume and severity of cyberattacks. Global threat actors, including nation-states, cybercriminals and hacktivist groups, are seizing the opportunity presented by the Ukraine conflict for their malicious purposes. The SCPC SSSCIP has identified Smoke Loader as a prominent type of malware used in recent attacks. Also known as Dofoil or Sharik, Smoke Loader is a backdoor targeting systems running Microsoft Windows. Threat actors have advertised this threat on underground forums since 2011. Primarily a loader with added information-stealing capabilities, Smoke Loader has been linked to Russian cybercrime operations and is readily available on Russian cybercrime forums. Ukrainian officials have highlighted a surge in Smoke Loader attacks targeting the country’s financial institutions and government organizations. While Ukraine has seen a rise in Smoke Loader attacks, this malware remains a global threat and continues to be seen in multiple campaigns targeting other countries. However, this surge of attacks suggests a coordinated effort to disrupt Ukrainian systems and extract valuable data. While Smoke Loader can be distributed through web-based vectors, attacks using this malware against Ukraine have been detected in malicious emails from phishing campaigns. The SCPC SSSCIP report provides detailed analysis on 23 waves of email-based attacks from May 10-Nov. 23, 2023. This report is most beneficial to security professionals who study trends in attack chains, analyze malware or are interested in deep technical analysis and detailed indicators of compromise. To review the technical aspects of these Smoke Loader campaigns in Ukraine, refer to the SCPC SSSCIP report. Readers can prevent Smoke Loader and similar malware attacks by prioritizing security measures and cultivating smart online habits. Be extremely cautious when opening email attachments or clicking links, especially from unknown senders. Stick to trusted websites for downloads. Create strong, unique passwords for online accounts, and stay informed of current cybersecurity threats. These measures can significantly reduce the risk of falling victim to malware like Smoke Loader. Palo Alto Networks customers are better protected from the Smoke Loader samples in the SCPC SSSCIP report through Cortex XDR and XSIAM, as well as through our Next-Generation Firewall with Cloud-Delivered Security Services, including Advanced WildFire, DNS Security, Advanced Threat Prevention and Advanced URL Filtering. If you think you might have been compromised or have an urgent matter, contact the Unit 42 Incident Response team. Related Unit 42 Topics Smoke Loader, Spear Phishing, UAC-0006, Ukraine TABLE OF CONTENTS Background on Smoke Loader The UAC-0006 Group Scale of the Attacks Conclusion BACKGROUND ON SMOKE LOADER Also called Dofoil or Sharik, Smoke Loader is a malicious program that loads other malware, although it has a range of other capabilities. A 2016 article on Smoke Loader noted that an early version was first advertised in the criminal underground as early as 2011. Various sources have documented Smoke Loader activity since then, and numerous reports have been published, including an analysis on Smoke Loader we released in 2018. Smoke Loader has been distributed through email, and it has appeared as a payload from web-based vectors like Rig Exploit Kit. We have even seen Smoke Loader distributed as a payload from other malware like Glupteba. Since it first appeared, reporting on Smoke Loader indicates that various groups have used it against different industries and organizations across the globe. These activities range from recent targeted cyberattacks in Ukraine to criminal activity resulting in Phobos ransomware infections. As well-known and currently active malware as a service, Smoke Loader is one of many ideal candidates (from the threat actor perspective) for any attack, including those reported by Ukraine SCPC SSSCIP. THE UAC-0006 GROUP On May 5, 2023, CERT-UA issued alert CERT-UA#6613, its first notification of Smoke Loader activity under the UAC-0006 identifier. Throughout the remainder of 2023, the CERT-UA published five additional notices on the UAC-0006 group. According to CERT-UA, the UAC-0006 group ranked first in the category of financial crimes as of December 2023. UAC-0006 uses Smoke Loader to download other malware, and the group uses this additional malware in attempts to steal funds from Ukrainian enterprises. These attempts represent a significant potential for financial loss. While CERT-UA has not confirmed a specific threat actor behind these Smoke Loader attacks, various sources suspect UAC-0006 might be associated with Russian cybercrime. SCALE OF THE ATTACKS As previously noted, UAC-0006 ranks first in the category of financial crimes in Ukraine as of December 2023. By October 2023, CERT-UA reported a surge in UAC-006 activity, noting this group attempted to steal tens of millions of hryvnias (Ukrainian dollars) from August-September 2023. The SCPC SSSCIP report documents 23 waves of Smoke Loader attacks from May through December 2023 based on our joint research. These campaigns have notably increased the threat level for accountants in Ukraine and represent the potential loss of 1 million hryvnias per week on average. CONCLUSION Palo Alto Networks collaborated with the SCPC SSSCIP to provide actionable threat intelligence to mitigate Smoke Loader attacks targeting Ukrainian organizations. Our joint research provides valuable insight into how attackers leverage Smoke Loader in real-world campaigns. This includes understanding initial attack vectors, types of secondary payloads and the overall objective of the attackers. Our research was used to help develop our mutual defenses and to disrupt the entire attack chain. For a deeper understanding of the technical aspects of UAC-0006 Smoke Loader campaigns in Ukraine, read the SCPC SSSCIP report. A crucial element of defense against Smoke Loader is prioritizing security measures and cultivating smart online habits. Be extremely cautious when opening email attachments or clicking links, especially from unknown senders. Stick to trusted websites for downloads, and create strong, unique passwords for all online accounts. Stay informed on current cybersecurity threats. Such vigilance should significantly reduce the risk of falling victim to malware like Smoke Loader. Palo Alto Networks customers are better protected from Smoke Loader through Cortex XDR and XSIAM, as well as through our Next-Generation Firewall with Cloud-Delivered Security Services, including Advanced WildFire, DNS Security, Advanced Threat Prevention and Advanced URL Filtering. If you think you might have been compromised or have an urgent matter, contact the Unit 42 Incident Response team or call: * North America Toll-Free: 866.486.4842 (866.4.UNIT42) * EMEA: +31.20.299.3130 * APAC: +65.6983.8730 * Japan: +81.50.1790.0200 Palo Alto Networks has shared these findings with our fellow Cyber Threat Alliance (CTA) members. CTA members use this intelligence to rapidly deploy protections to their customers and to systematically disrupt malicious cyber actors. Learn more about the Cyber Threat Alliance. GET UPDATES FROM PALO ALTO NETWORKS! Sign up to receive the latest news, cyber threat intelligence and research from us Please enter your email address! Please mark, I'm not a robot! By submitting this form, you agree to our Terms of Use and acknowledge our Privacy Statement. 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