Serpent Stealer Unmasked: Threat Analysis and Countermeasures

The Forrester Wave™: Managed Detection and Response, Q2 2023

Serpent Stealer Unmasked: Threat Analysis and Countermeasures

In the ever-evolving landscape of cyber threats, the emergence of new and sophisticated malware presents an ongoing challenge to cybersecurity professionals. The ThreatMon Malware Research Team is committed to staying ahead of the curve and ensuring that the cybersecurity community is well-informed about the latest threats. 

In this report, we unveil a new and formidable adversary in the world of digital malevolence: the Serpent Stealer. Serpent, a .NET-based malware, has proven to be a formidable force in the realm of cyberattacks. With its advanced evasion techniques, including anti-virus evasion, virtual machine detection, and anti-debugging capabilities, this malware is a clear example of how adversaries continually adapt to circumvent our security measures.

Key findings include:

  • We then move on to an in-depth technical analysis of the malware, dissecting its inner workings and highlighting the techniques it employs to maintain its stealth and evade detection.
  • This report begins by delving into the Threat Intelligence Phase, shedding light on the underground forums where Serpent Stealer is peddled and the shadowy dealings surrounding its distribution. 
  • Serpent leverages weaknesses in the Windows operating system to bypass User Account Control (UAC), making it a potent threat to organizations and individuals alike. 
  • The Serpent Stealer serves as a stark reminder of the persistence and adaptability of cyber criminals, and it is our collective responsibility to remain vigilant, proactive and prepared. 

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