All news with #formbook tag

PhantomVAI Loader Delivers Multiple Infostealers Worldwide

🛡️The Unit 42 report details a multi-stage phishing campaign that leverages heavily obfuscated JavaScript/VBS and PowerShell to load a C# .NET loader named PhantomVAI, which hides DLL payloads inside image files via steganography. The loader's VAI routine performs virtual-machine detection, establishes persistence (scheduled tasks, wscript, Run keys) and retrieves payloads by process hollowing into legitimate host processes. Observed final payloads include Katz Stealer, AsyncRAT and FormBook. Palo Alto Networks' Advanced WildFire, Cortex XDR and XSIAM have updated protections and indicators of compromise.

ComicForm and SectorJ149 Deploy FormBook via Phishing

🔒 Security researchers at F6 disclosed a phishing campaign by a previously undocumented group dubbed ComicForm that has been active since at least April 2025, targeting organizations in Belarus, Kazakhstan, and Russia. The attackers use RR archives containing Windows executables masquerading as PDFs to deploy an obfuscated .NET loader and a chain of DLLs culminating in the FormBook stealer. The malware creates scheduled tasks and adds Microsoft Defender exclusions, while some phishing sites mimic domestic document services and capture credentials by posting them to attacker-controlled domains.