Analysis

  • max time kernel
    142s
  • max time network
    156s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    09-03-2024 10:40

General

  • Target

    res/driver/nvidia/i386/WUDFUpdate_01007.dll

  • Size

    1.2MB

  • MD5

    0c51b0dfd0260c3d543e42ad4ecbe680

  • SHA1

    4c7380d7e618aa62dcc61871c151e8fb8c4af010

  • SHA256

    5c4b244c0ed7d11cb64de766d5aa02f7fede95ca00b680bd03c241b61b302fc8

  • SHA512

    f5b0a451739e8d25f5bd839f2d7066bcae15cf027b98b17bf7b7ee99ec62ae263b9b4eaabf54065fb60c9223241f78650acc526c944d9a872153d72c0151ed14

  • SSDEEP

    24576:nTh6UGedDNvnQOcbrrEdm1zutqI0/TGpJ76UfDGeZgKksizZYyrav6GT:nTh64vQrgA0r6U7GFVPZHray6

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\res\driver\nvidia\i386\WUDFUpdate_01007.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3416
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\res\driver\nvidia\i386\WUDFUpdate_01007.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2560
      • C:\Windows\SysWOW64\wusa.exe
        "C:\Windows\system32\wusa.exe" "C:\Windows\Temp\WDFF9F0.tmp\Microsoft User-Mode Driver Framework Install-v1.7-Vista.msu" /quiet /norestart
        3⤵
        • Drops file in Windows directory
        PID:2176

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Windows\Temp\WDFF9F0.tmp\Microsoft User-Mode Driver Framework Install-v1.7-Vista.msu

    Filesize

    436KB

    MD5

    e40ddd6eb4532bffb3260b179e56853b

    SHA1

    c364cc1894c8f5ede94c28a38647a036ce49a66a

    SHA256

    b8506218a9b0b86bc8a6b30f50f7340449fe1e35f9d5e7ad7c230596bba5cde0

    SHA512

    e3b65388b647e8966a211868d5b9d86d6cc6cb24c5201254c324c7aea15e0783349859c88778d65ba0251128ef950b25763c12e550d8fcf3ed15c0c90c884ed2