General

  • Target

    114e22cb2c971f3b91c2967e0742b006950e65a2cb23fb0f581a09457b9b657c

  • Size

    1.7MB

  • Sample

    250114-yqb1taznem

  • MD5

    4dec414f4409cea7c8b90fd730649803

  • SHA1

    46ed1cf8ddcf4736aba57c1f46cacbaec2c09ecb

  • SHA256

    114e22cb2c971f3b91c2967e0742b006950e65a2cb23fb0f581a09457b9b657c

  • SHA512

    c9674bed0a92ea973c7b7b6cc2812c7dadf390c3a18cff0dca9b658760fe6b4015141ff93a7b0df7bdd2cc90bbe3c8077388db493831ee0385b6a4025689e573

  • SSDEEP

    49152:z+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:eTHUxUoh1IF9gl2

Malware Config

Targets

    • Target

      114e22cb2c971f3b91c2967e0742b006950e65a2cb23fb0f581a09457b9b657c

    • Size

      1.7MB

    • MD5

      4dec414f4409cea7c8b90fd730649803

    • SHA1

      46ed1cf8ddcf4736aba57c1f46cacbaec2c09ecb

    • SHA256

      114e22cb2c971f3b91c2967e0742b006950e65a2cb23fb0f581a09457b9b657c

    • SHA512

      c9674bed0a92ea973c7b7b6cc2812c7dadf390c3a18cff0dca9b658760fe6b4015141ff93a7b0df7bdd2cc90bbe3c8077388db493831ee0385b6a4025689e573

    • SSDEEP

      49152:z+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:eTHUxUoh1IF9gl2

    • 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