What's Happening?
The Eternidade Stealer Trojan is driving a new wave of cybercrime in Brazil, utilizing WhatsApp for propagation and data theft. Trustwave SpiderLabs reports that the malware combines a WhatsApp-propagating
worm, a Delphi-based stealer, and an MSI dropper to harvest financial data and system details. The campaign uses Python for WhatsApp hijacking and dynamic command-and-control retrieval through IMAP. The Trojan targets Brazilian banking and fintech applications, employing credential-harvesting overlays. The malware's infrastructure includes domains for redirect management and victim tracking, with connection attempts from multiple countries.
Why It's Important?
The emergence of the Eternidade Stealer Trojan underscores the evolving tactics of cybercriminals, particularly in leveraging popular communication platforms like WhatsApp for malware distribution. This development poses significant risks to financial institutions and users in Brazil, as the Trojan targets sensitive banking information. The use of dynamic C2 retrieval and Python scripting indicates a sophisticated approach to malware deployment, potentially increasing the difficulty of detection and mitigation. Organizations must enhance their cybersecurity measures to protect against such threats, focusing on endpoint security and user education.











