General

  • Target

    f72e4dd60ebccfa1790bb49c335dd79ff4860da3c5623c30a778d4cbc6f61077

  • Size

    1.8MB

  • Sample

    241117-mydzlaxngx

  • MD5

    7582ed7a9f3ac0c15a2b7c81155d8b59

  • SHA1

    0c0429b3d9f1acaeeffb7fd92946cab77d1be2f6

  • SHA256

    f72e4dd60ebccfa1790bb49c335dd79ff4860da3c5623c30a778d4cbc6f61077

  • SHA512

    6be6568d2109397e266ce71014f503ec10bd38626146bb38f7955b6f360fccd4c05bad19ac5f94f3695427c595e9eda61079c01e6d156634978039c3749245a0

  • SSDEEP

    49152:OhjAJVllHZrhbBruPk+xjSMX4ODTDF8OcFSkMh:OgVTVXYNX9mOWSkM

Malware Config

Targets

    • Target

      f72e4dd60ebccfa1790bb49c335dd79ff4860da3c5623c30a778d4cbc6f61077

    • Size

      1.8MB

    • MD5

      7582ed7a9f3ac0c15a2b7c81155d8b59

    • SHA1

      0c0429b3d9f1acaeeffb7fd92946cab77d1be2f6

    • SHA256

      f72e4dd60ebccfa1790bb49c335dd79ff4860da3c5623c30a778d4cbc6f61077

    • SHA512

      6be6568d2109397e266ce71014f503ec10bd38626146bb38f7955b6f360fccd4c05bad19ac5f94f3695427c595e9eda61079c01e6d156634978039c3749245a0

    • SSDEEP

      49152:OhjAJVllHZrhbBruPk+xjSMX4ODTDF8OcFSkMh:OgVTVXYNX9mOWSkM

    • 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

    • Checks whether UAC is enabled

MITRE ATT&CK Enterprise v15

Tasks