Overview

overview

10

Static

static

3

2026-04-21...ry.exe

windows10-2004-x64

10

2026-04-21...ry.exe

windows11-21h2-x64

7

Sharing

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General

  • Target
    2026-04-21_823d45cd096d251b8fbbcec8f1806987_coinminer_elex_wannacry
  • Size 1.2MB
  • Sample260421-m156vsgv4z
  • SHA256 6591e4b513ef6c476d6a980e85734f70f112f633968c005dc1bbcdc9b9f4e134
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
fatalratdiscoveryinfostealerpersistenceransomwareratspywarestealertrojan

Malware Config

Targets

    • Target
      2026-04-21_823d45cd096d251b8fbbcec8f1806987_coinminer_elex_wannacry
    • Size 1.2MB
    • SHA256 6591e4b513ef6c476d6a980e85734f70f112f633968c005dc1bbcdc9b9f4e134
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryfatalratinfostealerpersistenceransomwareratspywarestealertrojan

    • Family: FatalRat

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

      stealertrojanfatalrat

    • Fatal Rat payload

      ratinfostealer
    • Custom signature

      Detects executables calling ClearMyTracksByProcess

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks