General

  • Target

    80fb14dd63f45c3ab4f35a934142e30ec5d48f809a7faf4cae142e779e7be219

  • Size

    1.3MB

  • Sample

    241221-vl57batmgx

  • MD5

    d35636fd3b468b2af7bc37c0dacd2f99

  • SHA1

    b647bf0419bb76f48fc2858b8ce0e7e3395beb4a

  • SHA256

    80fb14dd63f45c3ab4f35a934142e30ec5d48f809a7faf4cae142e779e7be219

  • SHA512

    1ca88114f6b0bf250508c6d08593d8de5e1a85069c77844303f53067e0c67f2dad0a7c61d7523650b3a2e586493d30edc4f856a95291e9c0630072a2f0e6a97f

  • SSDEEP

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

Malware Config

Targets

    • Target

      80fb14dd63f45c3ab4f35a934142e30ec5d48f809a7faf4cae142e779e7be219

    • Size

      1.3MB

    • MD5

      d35636fd3b468b2af7bc37c0dacd2f99

    • SHA1

      b647bf0419bb76f48fc2858b8ce0e7e3395beb4a

    • SHA256

      80fb14dd63f45c3ab4f35a934142e30ec5d48f809a7faf4cae142e779e7be219

    • SHA512

      1ca88114f6b0bf250508c6d08593d8de5e1a85069c77844303f53067e0c67f2dad0a7c61d7523650b3a2e586493d30edc4f856a95291e9c0630072a2f0e6a97f

    • 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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks