General

  • Target

    c4decd18a009ee291ef55f6d98cd5bd4ee6daf8de9f2c82f6ec92889fc896e9c

  • Size

    1.7MB

  • Sample

    250124-jv3l1azkel

  • MD5

    4f75597738cd353a6889438786801bf6

  • SHA1

    63e5b961a8b77dedc46d8420cc78bb2df52c50ba

  • SHA256

    c4decd18a009ee291ef55f6d98cd5bd4ee6daf8de9f2c82f6ec92889fc896e9c

  • SHA512

    3d04a02dbda7b4ef1cee2316ffd19ed83970f7d11efcc7ee3c7c51f6c188fff06d93796caf5172293f27e7ad9cd7e56ef9fcf0378416d7b8caa99f96bfd064c0

  • SSDEEP

    24576:N3QwuLyEbVoCtPreIjNLoN/VNGeSQDx1m17zezKOkCzeJGFUJ:NgwuuEpdDLNwVMeXDL0fdSzAG

Malware Config

Targets

    • Target

      c4decd18a009ee291ef55f6d98cd5bd4ee6daf8de9f2c82f6ec92889fc896e9c

    • Size

      1.7MB

    • MD5

      4f75597738cd353a6889438786801bf6

    • SHA1

      63e5b961a8b77dedc46d8420cc78bb2df52c50ba

    • SHA256

      c4decd18a009ee291ef55f6d98cd5bd4ee6daf8de9f2c82f6ec92889fc896e9c

    • SHA512

      3d04a02dbda7b4ef1cee2316ffd19ed83970f7d11efcc7ee3c7c51f6c188fff06d93796caf5172293f27e7ad9cd7e56ef9fcf0378416d7b8caa99f96bfd064c0

    • SSDEEP

      24576:N3QwuLyEbVoCtPreIjNLoN/VNGeSQDx1m17zezKOkCzeJGFUJ:NgwuuEpdDLNwVMeXDL0fdSzAG

    • 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.

    • Drops file in Drivers directory

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks