General

  • Target

    282f57d201c972562bd11aaa005d79cc7f964a8d0db591e58470124907be41ceN

  • Size

    1.5MB

  • Sample

    241004-qerywswapj

  • MD5

    eb7b02e2e2735e335cf1488d2836dfc0

  • SHA1

    f239259214e2802aa237ada055c9b5137b5acd4c

  • SHA256

    282f57d201c972562bd11aaa005d79cc7f964a8d0db591e58470124907be41ce

  • SHA512

    857773a6e4cda20553d40457f1a83b9d706f2417c2b8ed6f1dc57e1edb65fd6e50f57de781480a7d68ec826849c60f8212ea846da19f692f200b478908385983

  • SSDEEP

    24576:UNNUtQhWhtqDfDXQdy+N+gfQqRsgFlDRluQ70eJiVbWpR:kzhWhCXQFN+0IEuQgyiVK

Malware Config

Targets

    • Target

      282f57d201c972562bd11aaa005d79cc7f964a8d0db591e58470124907be41ceN

    • Size

      1.5MB

    • MD5

      eb7b02e2e2735e335cf1488d2836dfc0

    • SHA1

      f239259214e2802aa237ada055c9b5137b5acd4c

    • SHA256

      282f57d201c972562bd11aaa005d79cc7f964a8d0db591e58470124907be41ce

    • SHA512

      857773a6e4cda20553d40457f1a83b9d706f2417c2b8ed6f1dc57e1edb65fd6e50f57de781480a7d68ec826849c60f8212ea846da19f692f200b478908385983

    • SSDEEP

      24576:UNNUtQhWhtqDfDXQdy+N+gfQqRsgFlDRluQ70eJiVbWpR:kzhWhCXQFN+0IEuQgyiVK

    • 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

    • 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

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks