General

  • Target
    ROBLOXFARMER.exe
  • Size 1.9MB
  • Sample240722-2np2faseqd
  • SHA256 d89a9ab35a2173a4ec62cc98d54e2ffbff2f0d985386f98a8e11c5dc905bcb83
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      ROBLOXFARMER.exe
    • Size 1.9MB
    • SHA256 d89a9ab35a2173a4ec62cc98d54e2ffbff2f0d985386f98a8e11c5dc905bcb83
    • MD5 SHA1 SHA512 SSDEEP
    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • UAC bypass

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Command and Scripting Interpreter: PowerShell

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

    • Disables Task Manager via registry modification

    • Checks computer location settings

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

    • Executes dropped EXE

    • Checks whether UAC is enabled

MITRE ATT&CK Enterprise v15

Tasks