ComicForm and SectorJ149 Hackers Deploy Formbook Malware in Eurasian Cyberattacks
сент. 22, 2025
Malware / Data Theft
Organizations in Belarus, Kazakhstan, and Russia have emerged as the target of a phishing campaign undertaken by a previously undocumented hacking group called ComicForm since at least April 2025. The activity primarily targeted industrial, financial, tourism, biotechnology, research, and trade sectors, cybersecurity company F6 said in an analysis published last week. The attack chain involves sending emails bearing subject lines like "Waiting for the signed document," "INvoice for Payment," or "Reconciliation Act for Signature," urging recipients to open an RR archive, within which there exists a Windows executable that masquerades as a PDF document (e.g., "Акт_сверки pdf 010.exe"). The messages, written in Russian or English, are sent from email addresses registered in the .ru, .by, and .kz top-level domains. The executable is an obfuscated .NET loader designed to launch a malicious DLL ("MechMatrix Pro.dll"), which subsequently...