General

  • Target

    8d95b8e8049201f160a718bb56bcebeae3cf641dc56aac746ce3dec2cca35928

  • Size

    2.7MB

  • Sample

    240515-ak232sff7x

  • MD5

    332af220a6f8c875312ab0d215ec5ace

  • SHA1

    bccc9805ba77ad03e7bfa6da8166c3feac4839e7

  • SHA256

    8d95b8e8049201f160a718bb56bcebeae3cf641dc56aac746ce3dec2cca35928

  • SHA512

    964a09ff2bebb8e638d7b66f23cb2f62d833e2d097bf459fc22351bbcb25ecc138411cca552df616f93893f4c396ae918124c993bfe78041256e0476bea133e0

  • SSDEEP

    49152:qH64y2XDuLlIY14o9/yDzr1xJ8XbRrC9mWvR08Yv7yP3GcY:qHfE5Ad8Xd295UmGc

Malware Config

Targets

    • Target

      8d95b8e8049201f160a718bb56bcebeae3cf641dc56aac746ce3dec2cca35928

    • Size

      2.7MB

    • MD5

      332af220a6f8c875312ab0d215ec5ace

    • SHA1

      bccc9805ba77ad03e7bfa6da8166c3feac4839e7

    • SHA256

      8d95b8e8049201f160a718bb56bcebeae3cf641dc56aac746ce3dec2cca35928

    • SHA512

      964a09ff2bebb8e638d7b66f23cb2f62d833e2d097bf459fc22351bbcb25ecc138411cca552df616f93893f4c396ae918124c993bfe78041256e0476bea133e0

    • SSDEEP

      49152:qH64y2XDuLlIY14o9/yDzr1xJ8XbRrC9mWvR08Yv7yP3GcY:qHfE5Ad8Xd295UmGc

    • 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