Water Gamayun

Also known as: Water Gamayun

Water Gamayun exploits the MSC EvilTwin zero-day vulnerability to compromise systems and exfiltrate data, utilizing custom payloads and advanced data exfiltration techniques. Their arsenal includes backdoors like SilentPrism and DarkWisp, as well as information stealers such as Stealc and Rhadamanthys. They employ delivery methods like provisioning malicious payloads through signed Microsoft Installer files and leveraging LOLBins to maintain persistence and control over infected systems. Comprehensive analysis of their command-and-control infrastructure reveals sophisticated evasion techniques and dynamic control capabilities.

🌍 Country Russia

Introduction

Water Gamayun exploits the MSC EvilTwin zero-day vulnerability to compromise systems and exfiltrate data, utilizing custom payloads and advanced data exfiltration techniques. Their arsenal includes backdoors like SilentPrism and DarkWisp, as well as information stealers such as Stealc and Rhadamanthys. They employ delivery methods like provisioning malicious payloads through signed Microsoft Installer files and leveraging LOLBins to maintain persistence and control over infected systems. Comprehensive analysis of their command-and-control infrastructure reveals sophisticated evasion techniques and dynamic control capabilities.

Activities and Tactics

Country of Origin: 🇷🇺 Russia

Notable Campaigns

Information pending cataloguing.

Tactics, Techniques, and Procedures (TTPs)

Information pending cataloguing.

Notable Indicators of Compromise (IOCs)

No curated IOCs are currently published for this actor. This section will be updated when stable, attributable indicators are available.

Malware and Tools

  • Backdoor.Oldrea
  • Xploit
  • DarkWatchman

Attribution and Evidence

Country of Origin: Russia Additional attribution information pending cataloguing.

References

References pending cataloguing.