General

  • Target

    cdd8653dcd7a1003c7afb21d9094212ddf655cd62792e2651e531f3bf2f3c8a9N

  • Size

    1.8MB

  • Sample

    241107-1tv9zayhqh

  • MD5

    d460777963c85344556aa9d4adc322a0

  • SHA1

    cb0f873b26e938ef7d5b5dbe71aa23bc311400d3

  • SHA256

    cdd8653dcd7a1003c7afb21d9094212ddf655cd62792e2651e531f3bf2f3c8a9

  • SHA512

    a247b0454747177cdc7453bd5208b78ed8e37332b68d672de46e9ea0f2dc0da9947d3fc40f6bfcc6c74fd7a8ef371a311217c9f5c3c0f13c291d69dd2f9590af

  • SSDEEP

    49152:mhjAJVllHZrhbBruPk+xjSMX4ODTDF8OcFSkMh:mgVTVXYNX9mOWSkM

Malware Config

Targets

    • Target

      cdd8653dcd7a1003c7afb21d9094212ddf655cd62792e2651e531f3bf2f3c8a9N

    • Size

      1.8MB

    • MD5

      d460777963c85344556aa9d4adc322a0

    • SHA1

      cb0f873b26e938ef7d5b5dbe71aa23bc311400d3

    • SHA256

      cdd8653dcd7a1003c7afb21d9094212ddf655cd62792e2651e531f3bf2f3c8a9

    • SHA512

      a247b0454747177cdc7453bd5208b78ed8e37332b68d672de46e9ea0f2dc0da9947d3fc40f6bfcc6c74fd7a8ef371a311217c9f5c3c0f13c291d69dd2f9590af

    • SSDEEP

      49152:mhjAJVllHZrhbBruPk+xjSMX4ODTDF8OcFSkMh:mgVTVXYNX9mOWSkM

    • 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