General

  • Target
    4f532bcaf7ab5bf19c152855abf535c5.exe
  • Size 1.7MB
  • Sample240509-2fcq5sde47
  • SHA256 dfdf2fdf2c2eb51f23f7cbe9003ae084e6a552032fadac0ee7b29d32876e3ac8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      4f532bcaf7ab5bf19c152855abf535c5.exe
    • Size 1.7MB
    • SHA256 dfdf2fdf2c2eb51f23f7cbe9003ae084e6a552032fadac0ee7b29d32876e3ac8
    • 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.

    • 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