General

  • Target
    2026-04-21_5c3133df2154697a4fccf1603b97312d_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee
  • Size 1.7MB
  • Sample260421-py547aey9m
  • SHA256 dd2503f88f0a238e28668ec07afa16dda175616328d3bd5fb27ba3881617e929
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      2026-04-21_5c3133df2154697a4fccf1603b97312d_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee
    • Size 1.7MB
    • SHA256 dd2503f88f0a238e28668ec07afa16dda175616328d3bd5fb27ba3881617e929
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: 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.

    • Custom signature

      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.

    • Executes dropped EXE

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

MITRE ATT&CK Enterprise v16

Tasks