Overview

overview

10

Static

static

3

mbr_payload.exe

windows10-2004-x64

mbr_payload.exe

windows11-ltsc_2024-x64

10

Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    115s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/07/2026, 01:22

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General

  • Target
    mbr_payload.exe
  • Size 30.5MB
  • Sample260710-brdvgacy5w
  • SHA256 c9be0f69a6f3c4606129a20c747c0878e6a5c1ee5df96f290d171b7a07d78a01
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasionransomware

Malware Config

Signatures

  • Modifies visibility of hidden/system files in Explorer 2 TTPs 1 IoCs
    defense_evasion
  • Disables RegEdit via registry modification 1 IoCs
    defense_evasion
  • Disables Task Manager via registry modification
    defense_evasion
  • Loads dropped DLL 14 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Kills process with taskkill 1 IoCs
    defense_evasion
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\mbr_payload.exe
    "C:\Users\Admin\AppData\Local\Temp\mbr_payload.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:600
    • C:\Users\Admin\AppData\Local\Temp\mbr_payload.exe
      "C:\Users\Admin\AppData\Local\Temp\mbr_payload.exe"
      2⤵
      • Modifies visibility of hidden/system files in Explorer
      • Disables RegEdit via registry modification
      • Loads dropped DLL
      • Drops desktop.ini file(s)
      • Sets desktop wallpaper using registry
      • Suspicious use of WriteProcessMemory
      PID:5772
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c taskkill /f /im taskmgr.exe 2>nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2640
        • C:\Windows\system32\taskkill.exe
          taskkill /f /im taskmgr.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:236
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x00000000000004F8 0x00000000000004E4
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3136

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        _imaging.cp314-win_amd64.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI6002\PIL\_imaging.cp314-win_amd64.pyd
        • Size 2.5MB
        • SHA256 b4e06283c347910b5973bd5732159ea9eb26eda48e3eed183be2e3382db26597
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        VCRUNTIME140.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI6002\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _bz2.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI6002\_bz2.pyd
        • Size 85KB
        • SHA256 d28c3dd1c22bfb8a6e8a6a9c2359842b797d08e878ecb7805f60e86a45589d11
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _cffi_backend.cp314-win_amd64.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI6002\_cffi_backend.cp314-win_amd64.pyd
        • Size 177KB
        • SHA256 58bbe1eb15f9ab8e9ea45715a8311e2366b360d910a4685448bdd728d5177a01
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _ctypes.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI6002\_ctypes.pyd
        • Size 139KB
        • SHA256 25d9b0be550d428fecc697ca20450343a7c3ce77c9f5283e9aecfd188d609250
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _lzma.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI6002\_lzma.pyd
        • Size 157KB
        • SHA256 5f7003f9f0256e36351ca2810b3485db28579b08e4d1d65f6f211fcd1136f395
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _socket.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI6002\_socket.pyd
        • Size 85KB
        • SHA256 25ac83cac32ed0d67b2cc9672ce64cb53f0a29a75b14c276e901023ff43da5f9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _zstd.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI6002\_zstd.pyd
        • Size 491KB
        • SHA256 262aea62a994920daf152a10bdc0ca83a8b1c0874e71db23734862431de182c6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        base_library.zip
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI6002\base_library.zip
        • Size 1.3MB
        • SHA256 6903a656cfe504a362004c51508a1b538c6d412d83330d1dc5b76306f9c87fb1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _rust.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI6002\cryptography\hazmat\bindings\_rust.pyd
        • Size 9.4MB
        • SHA256 cbae8065586611b18e9ffba1885af0b3ba9c52b9e79c85ca4a33264c626e159d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libffi-8.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI6002\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python3.DLL
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI6002\python3.DLL
        • Size 72KB
        • SHA256 22c6e46d8bd563cdb072650901461ef68be2ea6cb1e80af859559d9395a27e39
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python314.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI6002\python314.dll
        • Size 6.5MB
        • SHA256 fde89cdb5c2d08ae65de7ef4abca1876c93ba3796002f5ac0bf7e4d4f5a94da0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        winsound.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI6002\winsound.pyd
        • Size 32KB
        • SHA256 38eccf01b663abfad0bc40444043410fecc5af895be3a1efbc9bd1cfe787f5a6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download