General

  • Target

    5620417051eb113618f81a56d9d7ac4399663e6840b41d971b8e45a0566f112b

  • Size

    1.3MB

  • Sample

    241221-vb469stkfs

  • MD5

    1e394b775120b91486eec27598ee0e1c

  • SHA1

    c073751a00a9a056388198846fede30d18b47413

  • SHA256

    5620417051eb113618f81a56d9d7ac4399663e6840b41d971b8e45a0566f112b

  • SHA512

    514be567568b978639e368c0a70f94d758382a563fe0cc0be4dee1ea52f9103692eb577342887563f50041e374a1ca0e8e7e2922b5220bafab216079bc2ef0ee

  • SSDEEP

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

Malware Config

Targets

    • Target

      5620417051eb113618f81a56d9d7ac4399663e6840b41d971b8e45a0566f112b

    • Size

      1.3MB

    • MD5

      1e394b775120b91486eec27598ee0e1c

    • SHA1

      c073751a00a9a056388198846fede30d18b47413

    • SHA256

      5620417051eb113618f81a56d9d7ac4399663e6840b41d971b8e45a0566f112b

    • SHA512

      514be567568b978639e368c0a70f94d758382a563fe0cc0be4dee1ea52f9103692eb577342887563f50041e374a1ca0e8e7e2922b5220bafab216079bc2ef0ee

    • 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