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General

  • Target

    2025-03-03_5d68d4dd5bdd52a25b200cd94f8d648e_ryuk

  • Size

    20.5MB

  • Sample

    250303-kg7t8sszcz

  • MD5

    5d68d4dd5bdd52a25b200cd94f8d648e

  • SHA1

    02df97aca7897799c55b2ad24444d4f155deff07

  • SHA256

    c72f4c4095a29103661d29fde3f9b3c489beb16eaba98803972d7b8f90a6f654

  • SHA512

    632425543dda19b6dd5306cdd5a2a237b32fade8b15de6f2173ca9798b887e0d3ca640ee083e62bdc40e0cb43de31baeeb63b80552df43e5ec721f0adee4510e

  • SSDEEP

    196608:6atpgF2oM7Vk96Cy8xEqn0SweKG8cvMLnsOTZ:DtpgF2oM7Vk96Cy8xEqn0MlHvYnsO

Malware Config

Targets

    • Target

      2025-03-03_5d68d4dd5bdd52a25b200cd94f8d648e_ryuk

    • Size

      20.5MB

    • MD5

      5d68d4dd5bdd52a25b200cd94f8d648e

    • SHA1

      02df97aca7897799c55b2ad24444d4f155deff07

    • SHA256

      c72f4c4095a29103661d29fde3f9b3c489beb16eaba98803972d7b8f90a6f654

    • SHA512

      632425543dda19b6dd5306cdd5a2a237b32fade8b15de6f2173ca9798b887e0d3ca640ee083e62bdc40e0cb43de31baeeb63b80552df43e5ec721f0adee4510e

    • SSDEEP

      196608:6atpgF2oM7Vk96Cy8xEqn0SweKG8cvMLnsOTZ:DtpgF2oM7Vk96Cy8xEqn0MlHvYnsO

    • FatalRat

      FatalRat is a modular infostealer family written in C++ first appearing in June 2021.

    • Fatalrat family

    • Fatal Rat payload

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Event Triggered Execution: Image File Execution Options Injection

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

MITRE ATT&CK Enterprise v15

Tasks