Overview

overview

7

Static

static

3

WindowsDef...er.exe

windows10-2004-x64

7

WindowsDef...er.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/08/2026, 09:39

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General

  • Target
    WindowsDefenderUpdater.exe
  • Size 12.1MB
  • Sample260802-lmvmjagc43
  • SHA256 41241b19e81c02f90dbf153afbff2c20824314bf51f999fa401e5da46fe023dd
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 13 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\WindowsDefenderUpdater.exe
    "C:\Users\Admin\AppData\Local\Temp\WindowsDefenderUpdater.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5972
    • C:\Users\Admin\AppData\Local\Temp\WindowsDefenderUpdater.exe
      "C:\Users\Admin\AppData\Local\Temp\WindowsDefenderUpdater.exe"
      2⤵
      • Loads dropped DLL
      PID:4600

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        VCRUNTIME140.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59722\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        VCRUNTIME140_1.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59722\VCRUNTIME140_1.dll
        • Size 48KB
        • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _bz2.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59722\_bz2.pyd
        • Size 85KB
        • SHA256 d28c3dd1c22bfb8a6e8a6a9c2359842b797d08e878ecb7805f60e86a45589d11
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _ctypes.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59722\_ctypes.pyd
        • Size 139KB
        • SHA256 25d9b0be550d428fecc697ca20450343a7c3ce77c9f5283e9aecfd188d609250
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _lzma.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59722\_lzma.pyd
        • Size 157KB
        • SHA256 5f7003f9f0256e36351ca2810b3485db28579b08e4d1d65f6f211fcd1136f395
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _socket.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59722\_socket.pyd
        • Size 85KB
        • SHA256 25ac83cac32ed0d67b2cc9672ce64cb53f0a29a75b14c276e901023ff43da5f9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _sqlite3.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59722\_sqlite3.pyd
        • Size 129KB
        • SHA256 b0c4edff6d60f300373ec929ab915f95ee601bf167e04d28e4e9e28a8e536fe0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _wmi.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59722\_wmi.pyd
        • Size 39KB
        • SHA256 0ab1fbcf18c95d70343012feb1aad61e1ba95aaed5b4a08e57fc5990e8a9a452
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _zstd.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59722\_zstd.pyd
        • Size 491KB
        • SHA256 262aea62a994920daf152a10bdc0ca83a8b1c0874e71db23734862431de182c6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        base_library.zip
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59722\base_library.zip
        • Size 1.3MB
        • SHA256 85e32cd3fe7951383612af286753ad6c79f15b1cb61df72f5ec6a9d48887fd72
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libffi-8.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59722\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        pyarmor_runtime.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59722\pyarmor_runtime_000000\pyarmor_runtime.pyd
        • Size 628KB
        • SHA256 8cb1a33df1c921cb38afda29288aa184480112de45f4e014c0079dc8ef1edc06
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python314.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59722\python314.dll
        • Size 6.5MB
        • SHA256 fde89cdb5c2d08ae65de7ef4abca1876c93ba3796002f5ac0bf7e4d4f5a94da0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        sqlite3.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI59722\sqlite3.dll
        • Size 1.5MB
        • SHA256 3557565665e608cd24726730e52690a131efcb0e2d5090337b2e05fb89d49c76
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4600-97-0x0000000063300000-0x00000000633AB000-memory.dmp
        Download