Overview

overview

9

Static

static

3

windows_update.exe

windows11-21h2-x64

9

windows_update.exe

windows11-ltsc_2024-x64

9

Analysis

  • user interaction
    yes
  • max time kernel
    128s
  • max time network
    128s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/07/2026, 02:49

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General

  • Target
    windows_update.exe
  • Size 32.3MB
  • Sample260730-dbesya1xa1
  • SHA256 08001ce5bd12fb739a34d4e7d11a461bdd651a22c9ca946a7fc38490bd3a3170
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasion

Malware Config

Signatures

  • Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
    defense_evasion
  • Looks for VMWare services registry key. 1 TTPs 1 IoCs
    defense_evasion
  • Loads dropped DLL 17 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\windows_update.exe
    "C:\Users\Admin\AppData\Local\Temp\windows_update.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4732
    • C:\Users\Admin\AppData\Local\Temp\windows_update.exe
      "C:\Users\Admin\AppData\Local\Temp\windows_update.exe"
      2⤵
      • Enumerates VirtualBox registry keys
      • Looks for VMWare services registry key.
      • Loads dropped DLL
      PID:744

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        _raw_aes.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47322\Cryptodome\Cipher\_raw_aes.pyd
        • Size 34KB
        • SHA256 889f9b558a47a4333bfd3e3814eaec2328ac8648722d912c7873fdea62fcf886
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _raw_aesni.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47322\Cryptodome\Cipher\_raw_aesni.pyd
        • Size 15KB
        • SHA256 6c9a2bed5c1bd9acd8bcea7f5f20f7fa63e4465b0914ae70250bd59a8028333c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _raw_cbc.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47322\Cryptodome\Cipher\_raw_cbc.pyd
        • Size 11KB
        • SHA256 6c6c5fac1b5933fb857fcc3e5a87765257b5484285de147e9bb5fc854223a707
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _cpuid_c.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47322\Cryptodome\Util\_cpuid_c.pyd
        • Size 10KB
        • SHA256 e7e6f27d5203768e6454b4066847a3af02548c811146da047c4a53b1edaf32e9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        VCRUNTIME140.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47322\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        VCRUNTIME140_1.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47322\VCRUNTIME140_1.dll
        • Size 48KB
        • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _bz2.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47322\_bz2.pyd
        • Size 85KB
        • SHA256 d28c3dd1c22bfb8a6e8a6a9c2359842b797d08e878ecb7805f60e86a45589d11
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _ctypes.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47322\_ctypes.pyd
        • Size 139KB
        • SHA256 25d9b0be550d428fecc697ca20450343a7c3ce77c9f5283e9aecfd188d609250
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _hashlib.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47322\_hashlib.pyd
        • Size 67KB
        • SHA256 36ce760b9fac53fe51755f30a68d86f5fde89bf1b66c65c19e04aa3afa404ac2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _lzma.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47322\_lzma.pyd
        • Size 157KB
        • SHA256 5f7003f9f0256e36351ca2810b3485db28579b08e4d1d65f6f211fcd1136f395
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _uuid.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47322\_uuid.pyd
        • Size 27KB
        • SHA256 a09308efd309732e3745e70b4456235579c450cac32bed616dfb3913b56f6637
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _wmi.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47322\_wmi.pyd
        • Size 39KB
        • SHA256 0ab1fbcf18c95d70343012feb1aad61e1ba95aaed5b4a08e57fc5990e8a9a452
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _zstd.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47322\_zstd.pyd
        • Size 491KB
        • SHA256 262aea62a994920daf152a10bdc0ca83a8b1c0874e71db23734862431de182c6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        base_library.zip
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47322\base_library.zip
        • Size 1.3MB
        • SHA256 a18c8392afac7ccbf2ead3c6d1e5fb8a567bc27f07cd0b291f104ee7f3efbf05
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libcrypto-3.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47322\libcrypto-3.dll
        • Size 6.0MB
        • SHA256 53c529145339fb042a3dcd3a09c2d7753204f8b4fc79d99e0d31e69a33985958
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libffi-8.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47322\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python314.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47322\python314.dll
        • Size 6.5MB
        • SHA256 fde89cdb5c2d08ae65de7ef4abca1876c93ba3796002f5ac0bf7e4d4f5a94da0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ucrtbase.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI47322\ucrtbase.dll
        • Size 1.1MB
        • SHA256 c04daeba7e7c4b711d33993ab4c51a2e087f98f4211aea0dcb3a216656ba0ab7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download