General

  • Target

    faa40b4bcb1f0e493c693399173b381eda22db9ca1c3436d8167b5fdb0deaf1a

  • Size

    1.7MB

  • Sample

    250121-sblzksyqfs

  • MD5

    8d57c2893df62748ad2a6023840a5ac2

  • SHA1

    2d7f94e19ce1f9f531c149370ed416ba7fea2ee0

  • SHA256

    faa40b4bcb1f0e493c693399173b381eda22db9ca1c3436d8167b5fdb0deaf1a

  • SHA512

    68d7a6358ca50cbdd398fc04e53162ed6e16731ff28fcdb025947424d7232bc20136c2fe4725e82360a882ba279b75af90340d00928902a8d6f24bdf4ccd6390

  • SSDEEP

    24576:N3QwuLyEbVoCtPreIjNLoN/VNGeSQDx1m17zezKOkCzeJGFUJ:NgwuuEpdDLNwVMeXDL0fdSzAG

Malware Config

Targets

    • Target

      faa40b4bcb1f0e493c693399173b381eda22db9ca1c3436d8167b5fdb0deaf1a

    • Size

      1.7MB

    • MD5

      8d57c2893df62748ad2a6023840a5ac2

    • SHA1

      2d7f94e19ce1f9f531c149370ed416ba7fea2ee0

    • SHA256

      faa40b4bcb1f0e493c693399173b381eda22db9ca1c3436d8167b5fdb0deaf1a

    • SHA512

      68d7a6358ca50cbdd398fc04e53162ed6e16731ff28fcdb025947424d7232bc20136c2fe4725e82360a882ba279b75af90340d00928902a8d6f24bdf4ccd6390

    • SSDEEP

      24576:N3QwuLyEbVoCtPreIjNLoN/VNGeSQDx1m17zezKOkCzeJGFUJ:NgwuuEpdDLNwVMeXDL0fdSzAG

    • 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.

    • 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.

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks