Overview

overview

7

Static

static

3

WindowsUpdate.exe

windows10-2004-x64

7

WindowsUpdate.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    148s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/07/2026, 01:22

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General

  • Target
    WindowsUpdate.exe
  • Size 7.9MB
  • Sample260724-bref1aea62
  • SHA256 e4a45127d0a85c0cefce028aa4269f8e47bde0748d12caa3a3965972e5009eca
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 7 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\WindowsUpdate.exe
    "C:\Users\Admin\AppData\Local\Temp\WindowsUpdate.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5628
    • C:\Users\Admin\AppData\Local\Temp\WindowsUpdate.exe
      "C:\Users\Admin\AppData\Local\Temp\WindowsUpdate.exe"
      2⤵
      • Loads dropped DLL
      PID:3516

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        VCRUNTIME140.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI56282\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _bz2.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI56282\_bz2.pyd
        • Size 84KB
        • SHA256 65f610646d10d5babea080e060d244b546ec52c54012e5e937dc72dcc2e2e7bc
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _ctypes.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI56282\_ctypes.pyd
        • Size 124KB
        • SHA256 0e56107a891100535f2da79d85a5ae65ff1227b4765bd108f8593ac1a1110d81
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _lzma.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI56282\_lzma.pyd
        • Size 157KB
        • SHA256 e3deecc1f59a3b811c608861decd84de1e8df8bafd5e2b39188861318c5a38cf
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        base_library.zip
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI56282\base_library.zip
        • Size 1.3MB
        • SHA256 17e0ba50acf40850ff8f5900f96b975e47467e8bacdb22533d44ba2a5424ff4e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libffi-8.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI56282\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python312.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI56282\python312.dll
        • Size 6.6MB
        • SHA256 9a0e3435aaa680d868150f87ab3e388ad2eebc22f87e036155c7b4eda8cd2120
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ucrtbase.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI56282\ucrtbase.dll
        • Size 1.1MB
        • SHA256 c04daeba7e7c4b711d33993ab4c51a2e087f98f4211aea0dcb3a216656ba0ab7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download