General

  • Target
    1554ae8f1316eadf351b3e6f5e7fc9e6.exe
  • Size 3.2MB
  • Sample241030-2fcfdatnej
  • SHA256 5bdd5d335f1dce7bff7ad597aa12c5c36d2831b58d4a1a37650fab7b070c6e23
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      1554ae8f1316eadf351b3e6f5e7fc9e6.exe
    • Size 3.2MB
    • SHA256 5bdd5d335f1dce7bff7ad597aa12c5c36d2831b58d4a1a37650fab7b070c6e23
    • MD5 SHA1 SHA512 SSDEEP
    • DcRat

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

    • Dcrat family

    • 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.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks whether UAC is enabled

MITRE ATT&CK Enterprise v15

Tasks