Overview

overview

7

Static

static

3

WindowsUpdate.exe

windows10-2004-x64

7

WindowsUpdate.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/07/2026, 21:34

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General

  • Target
    WindowsUpdate.exe
  • Size 19.8MB
  • Sample260717-1eq2pset9p
  • SHA256 131c87194934633dc15656fab783537beb3e45249a2026cb963cd10b6d54c3d0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 48 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 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:5460
    • C:\Users\Admin\AppData\Local\Temp\WindowsUpdate.exe
      "C:\Users\Admin\AppData\Local\Temp\WindowsUpdate.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:5144

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        _ARC4.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\Crypto\Cipher\_ARC4.pyd
        • Size 10KB
        • SHA256 f6538c0c003f317f88720b230581e950d1da11307cb9f322c7282c14bc720ca1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _pkcs1_decode.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\Crypto\Cipher\_pkcs1_decode.pyd
        • Size 13KB
        • SHA256 320ca46655bae21c964515726183ab86069d55262671798287072d9ff6bd54bc
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _raw_aes.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\Crypto\Cipher\_raw_aes.pyd
        • Size 34KB
        • SHA256 520b343e44b5633bbc4fdcecc705a7f2eb6e55d082a1f3e4723ada9d7e5ea97d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _raw_aesni.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\Crypto\Cipher\_raw_aesni.pyd
        • Size 15KB
        • SHA256 3818873f50418cbecde58150e9bffff7372d2c2067fc0b96ffac9482dfddd603
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _raw_des3.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\Crypto\Cipher\_raw_des3.pyd
        • Size 51KB
        • SHA256 b60ce99ebcb7946fa9b66660ce7bba919571e0f1a97fb4c7e8a385d86cfa5c58
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _SHA1.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\Crypto\Hash\_SHA1.pyd
        • Size 17KB
        • SHA256 8f80524247c830d9bb590d025e15ec34d7d337a16e5c4422e2da0448d06c88a6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _SHA512.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\Crypto\Hash\_SHA512.pyd
        • Size 25KB
        • SHA256 adab3a8ef9daa73b1e9ca83d66a726c8ad256eed119ab2d7d3fcee10f8f013d1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _keccak.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\Crypto\Hash\_keccak.pyd
        • Size 15KB
        • SHA256 393c54d090197d55d87619e99528d2e774c9157632115a07fcf35ee50681e78f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _modexp.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\Crypto\Math\_modexp.pyd
        • Size 30KB
        • SHA256 fc122c8e0a1c236c2a0b20009ed710602545577ba34a9fafed71eb84e56a2e76
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _cpuid_c.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\Crypto\Util\_cpuid_c.pyd
        • Size 10KB
        • SHA256 2af984819d9b1f95132520901b355eb85aa24d5efc6fc5ae9e77252ed03b7f4b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _strxor.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\Crypto\Util\_strxor.pyd
        • Size 10KB
        • SHA256 c77f18f1f7a377bc388de0104abf4868d6f0c2ef7ef2b97b34d875cfc3040aac
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        VCRUNTIME140.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        VCRUNTIME140_1.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\VCRUNTIME140_1.dll
        • Size 48KB
        • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _bz2.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\_bz2.pyd
        • Size 86KB
        • SHA256 ef5277eb670219274e7d1e92190ddf7f4bb94d4922ca1c1a12efadfd2c4c66f6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _ctypes.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\_ctypes.pyd
        • Size 139KB
        • SHA256 fd4847b99cd504a66bdc4739f15181b562774e6736bb88775880b073276dede1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _hashlib.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\_hashlib.pyd
        • Size 67KB
        • SHA256 9bc6ffcd2ab4ac87c4035f18b432e888d0d4a36795c97bf3f28ddf32cc34e40f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _lzma.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\_lzma.pyd
        • Size 157KB
        • SHA256 39e5bc3624a26c9f6ad2e2df412543b0bd697a1d75338b44fe99763358d6d8cb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _queue.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\_queue.pyd
        • Size 35KB
        • SHA256 acf60e246f6a83a914fb6c411f04bd3eb8bba83070612ca44af99d74f06c5524
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _socket.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\_socket.pyd
        • Size 85KB
        • SHA256 65caaa6f35c329d901ba3f3d9f7fc4d7443dcde89907dccbd6748786cc517476
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _sqlite3.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\_sqlite3.pyd
        • Size 129KB
        • SHA256 e33fd2ccfd0bd878d50f5c093a56e324ad146e03ebd47e4dc81d6c833badedbe
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _ssl.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\_ssl.pyd
        • Size 180KB
        • SHA256 12e31f50739e33b115c7e10febf1ccedeb5d9353cd539c608cc5dd164bee17a7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _uuid.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\_uuid.pyd
        • Size 27KB
        • SHA256 635d6c46bbf6b86dd30a802bd1c6e214dabccb44d1452c52f0b557ae5bcc6f68
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _wmi.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\_wmi.pyd
        • Size 39KB
        • SHA256 6fb2c6316628664319b2abcf961f0cbbac809966a65b653c86e7864ad8701496
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _zstd.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\_zstd.pyd
        • Size 491KB
        • SHA256 54e6acfbc1cb27c9afea0e133cadac68b89869ff1a14eb0c678d40eb9c655347
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        base_library.zip
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\base_library.zip
        • Size 1.3MB
        • SHA256 5c70707d9c614c9d1024c742f70e1111c1572f5695a01807c958db0b3542fee8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libcrypto-3.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\libcrypto-3.dll
        • Size 5.0MB
        • SHA256 8b27ebae75cc99f20075322446af36c9ffcb4e3b400a77d712ef43f007f47f7d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libffi-8.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libssl-3.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\libssl-3.dll
        • Size 776KB
        • SHA256 56dd50fb903b860ace831d0cd6c6250cd57e8655867c3a0fa16eac2d4cc0ba0b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python3.DLL
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\python3.DLL
        • Size 72KB
        • SHA256 f3d0cd260a46a9617a8b1d4d5e8703278478c22a910165bffb4e4ddf6562d93f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python314.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\python314.dll
        • Size 6.5MB
        • SHA256 18310593c50ad109fc5c95db1fd5c92ecec9e1bfc66c976df9fc11dd62616d5a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Lorem ipsum.txt
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\setuptools\_vendor\jaraco\text\Lorem ipsum.txt
        • Size 1KB
        • SHA256 37fedcffbf73c4eb9f058f47677cb33203a436ff9390e4d38a8e01c9dad28e0b
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        sqlite3.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\sqlite3.dll
        • Size 1.5MB
        • SHA256 cb9676d3b9aeae83a63da5903add3fe4f17ed2e26e7e01a4f1877c4fcdeee99d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ucrtbase.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI54602\ucrtbase.dll
        • Size 1.1MB
        • SHA256 c04daeba7e7c4b711d33993ab4c51a2e087f98f4211aea0dcb3a216656ba0ab7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download