General

  • Target

    cb976cfef7150426a8316653c785dd654bb22464c1c3141f0a043039b3f0c486

  • Size

    1.3MB

  • Sample

    241221-trd5casqdj

  • MD5

    87ffa1a3f2fbce96323269f2daa4d238

  • SHA1

    5ead778818b0859d08c5df91f0ac0e83914c259c

  • SHA256

    cb976cfef7150426a8316653c785dd654bb22464c1c3141f0a043039b3f0c486

  • SHA512

    737b6964a54df3b6f51b7c80a2f177d8f7005083eb5817291e4523ecb003f1aea3032c0dcda74afb968127b240e31ee8b8d9e2d8e1dd047c0acf7faea738c7c8

  • SSDEEP

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

Malware Config

Targets

    • Target

      cb976cfef7150426a8316653c785dd654bb22464c1c3141f0a043039b3f0c486

    • Size

      1.3MB

    • MD5

      87ffa1a3f2fbce96323269f2daa4d238

    • SHA1

      5ead778818b0859d08c5df91f0ac0e83914c259c

    • SHA256

      cb976cfef7150426a8316653c785dd654bb22464c1c3141f0a043039b3f0c486

    • SHA512

      737b6964a54df3b6f51b7c80a2f177d8f7005083eb5817291e4523ecb003f1aea3032c0dcda74afb968127b240e31ee8b8d9e2d8e1dd047c0acf7faea738c7c8

    • 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