HPT warns that Vietnamese Stealer is leveraging Telegram as its Command and Control (C2) channel to covertly harvest sensitive data in Vietnam. Rather than disrupting systems, this malware focuses on stealing login credentials, session cookies, cryptocurrency wallet data, and critical configuration files, enabling account takeover and the compromise of digital assets.

The rapid surge in attack campaigns underscores that organizations can no longer afford a reactive approach to cybersecurity. Gaining a clear understanding of Vietnamese Stealer’s operational mechanisms, infection chain, and evasion techniques is a critical step toward building a multilayered defense model, implementing continuous monitoring, and maintaining real-time risk control.