General

  • Target

    565c5795f041536f8d72f4b1f62543f26109908b238617c20cb98542dbab3735

  • Size

    2.7MB

  • Sample

    240516-2mlbvscc32

  • MD5

    7ad154df9a5863b8e5746eeec2398fc2

  • SHA1

    98beff0b44c2ca64d7a1064665204d5560ad866a

  • SHA256

    565c5795f041536f8d72f4b1f62543f26109908b238617c20cb98542dbab3735

  • SHA512

    44e8663348256a71d390da068cdf78ffe33a2b39ad63e6204120b0a5f11884b0fe403cab2f8c4b88ad81a913d850017d4437a8bde85cb20f0f00d009ec05a044

  • SSDEEP

    49152:SH64y2XDuLlIY14o9/yDzr1xJ8XbRrC9mWvR08Yv7yP3GcY:SHfE5Ad8Xd295UmGc

Malware Config

Targets

    • Target

      565c5795f041536f8d72f4b1f62543f26109908b238617c20cb98542dbab3735

    • Size

      2.7MB

    • MD5

      7ad154df9a5863b8e5746eeec2398fc2

    • SHA1

      98beff0b44c2ca64d7a1064665204d5560ad866a

    • SHA256

      565c5795f041536f8d72f4b1f62543f26109908b238617c20cb98542dbab3735

    • SHA512

      44e8663348256a71d390da068cdf78ffe33a2b39ad63e6204120b0a5f11884b0fe403cab2f8c4b88ad81a913d850017d4437a8bde85cb20f0f00d009ec05a044

    • SSDEEP

      49152:SH64y2XDuLlIY14o9/yDzr1xJ8XbRrC9mWvR08Yv7yP3GcY:SHfE5Ad8Xd295UmGc

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Modifies WinLogon for persistence

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • UAC bypass

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Detects executables packed with SmartAssembly

    • 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

    • Adds Run key to start application

    • Checks whether UAC is enabled

MITRE ATT&CK Enterprise v15

Tasks