Overview

overview

8

Static

static

3

WindowsUpd...er.exe

windows10-2004-x64

WindowsUpd...er.exe

windows11-ltsc_2024-x64

8

Sharing

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General

  • Target
    WindowsUpdate_dropper.exe.exe
  • Size 5.8MB
  • Sample260922-mczzyadf95
  • SHA256 44dcd987ef61c0dec58aa093e6e2d76f5fb3361ca4f79a106262586277b478e0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
defense_evasionexecutionpersistence

Malware Config

Targets

    • Target
      WindowsUpdate_dropper.exe.exe
    • Size 5.8MB
    • SHA256 44dcd987ef61c0dec58aa093e6e2d76f5fb3361ca4f79a106262586277b478e0
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    defense_evasionexecutionpersistence

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks