General

  • Target
    2026-08-24_e21c4f84b539d6395388b4f18954212c_elex_wannacry
  • Size 16.0MB
  • Sample260824-16wfhavaqc
  • SHA256 8531a8df0a32c6e089b80bdcc778fc298831e777af6a40a7f8cda74775e6d641
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      2026-08-24_e21c4f84b539d6395388b4f18954212c_elex_wannacry
    • Size 16.0MB
    • SHA256 8531a8df0a32c6e089b80bdcc778fc298831e777af6a40a7f8cda74775e6d641
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

    • UPX dump on OEP (original entry point)

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Disables one or more Microsoft Defender components

      Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

    • Checks computer location settings

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

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Discovers running processes

      Running process information can be used to identify security tools or plan follow-on actions.

    • Executes a VBScript file via the Windows Script Host.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks