General

  • Target
    2026-01-19_f7e8a2c776ea80867c6c901c9b496758_akira
  • Size 14.5MB
  • Sample260119-pds9wsds8b
  • SHA256 11be40cfa3b78482e061bd23d0ac05b299cb69e2d30bf297d086cce123a362f6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • valleyrat_s2

Version
  • 1.0

C2
  • 47.237.107.28:7181

  • 127.0.0.1:80

Attributes
  • campaign_date

    2026. 1. 2

Targets

    • Target
      2026-01-19_f7e8a2c776ea80867c6c901c9b496758_akira
    • Size 14.5MB
    • SHA256 11be40cfa3b78482e061bd23d0ac05b299cb69e2d30bf297d086cce123a362f6
    • MD5 SHA1 SHA512 SSDEEP
    • ValleyRat

      ValleyRat stage2 is a backdoor written in C++.

    • Valleyrat_s2 family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

MITRE ATT&CK Enterprise v16

Tasks