General

  • Target

    88739398ffebafc2a948effe84d7986db68565212418e2e4148967e9b908757a

  • Size

    1.3MB

  • Sample

    241221-ttdxcsspcx

  • MD5

    f668dc616f071b2c96af3e0d2b9a867b

  • SHA1

    2c063fed00886dc3be0018698066c93fb14e9b57

  • SHA256

    88739398ffebafc2a948effe84d7986db68565212418e2e4148967e9b908757a

  • SHA512

    ab40d505c5627d32091d6a982207b7080a0cbc2d3b19beee794f82a96aecc1b0da87c3bfb77a27ccdca515e4009cbd7207691be2a8e5bfcb4e27cd475b431460

  • SSDEEP

    24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjC:UbA30GnzV/q+DnsXg

Malware Config

Targets

    • Target

      88739398ffebafc2a948effe84d7986db68565212418e2e4148967e9b908757a

    • Size

      1.3MB

    • MD5

      f668dc616f071b2c96af3e0d2b9a867b

    • SHA1

      2c063fed00886dc3be0018698066c93fb14e9b57

    • SHA256

      88739398ffebafc2a948effe84d7986db68565212418e2e4148967e9b908757a

    • SHA512

      ab40d505c5627d32091d6a982207b7080a0cbc2d3b19beee794f82a96aecc1b0da87c3bfb77a27ccdca515e4009cbd7207691be2a8e5bfcb4e27cd475b431460

    • SSDEEP

      24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjC:UbA30GnzV/q+DnsXg

    • 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.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks