General

  • Target

    b3af3926d7a9983542594e9483797ba474d37804fd383b1a41506be803912422

  • Size

    1.7MB

  • Sample

    250206-efb4aatraj

  • MD5

    9c3b15ccc76653e0ce7efceb6682bcf3

  • SHA1

    05a048dc3218e5cce7211a32a7d489c9d4a633a7

  • SHA256

    b3af3926d7a9983542594e9483797ba474d37804fd383b1a41506be803912422

  • SHA512

    92bebc96768766fe74a5e00b46c701d60ed8ce760b077363f4a4f19a4950edc96bee66ec27feb79f999e54654dbbd8b5dee45aead361ca72b30436eea0899330

  • SSDEEP

    49152:z+gYXZTD1VXUqzX7VwjvMoh1IFyuyigWnMzm6sDBKv:eTHUxUoh1IF9gl2

Malware Config

Targets

    • Target

      b3af3926d7a9983542594e9483797ba474d37804fd383b1a41506be803912422

    • Size

      1.7MB

    • MD5

      9c3b15ccc76653e0ce7efceb6682bcf3

    • SHA1

      05a048dc3218e5cce7211a32a7d489c9d4a633a7

    • SHA256

      b3af3926d7a9983542594e9483797ba474d37804fd383b1a41506be803912422

    • SHA512

      92bebc96768766fe74a5e00b46c701d60ed8ce760b077363f4a4f19a4950edc96bee66ec27feb79f999e54654dbbd8b5dee45aead361ca72b30436eea0899330

    • 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