General

  • Target

    JaffaCakes118_f8ac74134a42879ce5bf05f87bb3d7b628c0a6a3bb0722214467e804bfd249d7

  • Size

    1.3MB

  • Sample

    241222-xff2cavrat

  • MD5

    51ecc3bdf959e04a1a84a207e4e2af7c

  • SHA1

    b4665e2d0cc69fcfd651273f7c8b8a259ecce891

  • SHA256

    f8ac74134a42879ce5bf05f87bb3d7b628c0a6a3bb0722214467e804bfd249d7

  • SHA512

    8077583c2df335a706f22193aedc1d5617e54ae43120bee01538e9213db6502221fef5f88232c0931cc921965770689be6d148882f467e4d2848d34498c9df0f

  • SSDEEP

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

Malware Config

Targets

    • Target

      JaffaCakes118_f8ac74134a42879ce5bf05f87bb3d7b628c0a6a3bb0722214467e804bfd249d7

    • Size

      1.3MB

    • MD5

      51ecc3bdf959e04a1a84a207e4e2af7c

    • SHA1

      b4665e2d0cc69fcfd651273f7c8b8a259ecce891

    • SHA256

      f8ac74134a42879ce5bf05f87bb3d7b628c0a6a3bb0722214467e804bfd249d7

    • SHA512

      8077583c2df335a706f22193aedc1d5617e54ae43120bee01538e9213db6502221fef5f88232c0931cc921965770689be6d148882f467e4d2848d34498c9df0f

    • 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