General

  • Target
    c36dcc736bf5def64a87906eff82b50758241bdca8afcb6a0cd6ff689ed3b337.exe
  • Size 1.5MB
  • Sample260910-mkhevsar9x
  • SHA256 c36dcc736bf5def64a87906eff82b50758241bdca8afcb6a0cd6ff689ed3b337
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • stealc

C2
  • https://update-microsoft-data.services

rc4.plain

Targets

    • Target
      c36dcc736bf5def64a87906eff82b50758241bdca8afcb6a0cd6ff689ed3b337.exe
    • Size 1.5MB
    • SHA256 c36dcc736bf5def64a87906eff82b50758241bdca8afcb6a0cd6ff689ed3b337
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects Stealc stealer Version 3

    • Family: Stealc

      Stealc is an infostealer written in C++.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks