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
    76s
  • max time network
    80s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/07/2026, 01:22

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Errors

Reason
Machine shutdown

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
  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 9 IoCs
  • Suspicious use of SendNotifyMessage 8 IoCs
  • Suspicious use of SetWindowsHookEx 2 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:4520
    • 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:2740
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c taskkill /f /im taskmgr.exe 2>nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4492
        • C:\Windows\system32\taskkill.exe
          taskkill /f /im taskmgr.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:536
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x300 0x308
    1⤵
      PID:3024
    • C:\Program Files\VideoLAN\VLC\vlc.exe
      "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\RenameImport.AAC"
      1⤵
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:3248
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /7
      1⤵
        PID:1944
      • C:\Windows\system32\taskmgr.exe
        "C:\Windows\system32\taskmgr.exe" /7
        1⤵
          PID:4784
        • C:\Windows\system32\LogonUI.exe
          "LogonUI.exe" /flags:0x4 /state0:0xa38d5855 /state1:0x41c64e6d
          1⤵
          • Modifies data under HKEY_USERS
          • Suspicious use of SetWindowsHookEx
          PID:3248

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              81d243bd2c585b0f4821__mypyc.cp314-win_amd64.pyd
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\81d243bd2c585b0f4821__mypyc.cp314-win_amd64.pyd
              • Size 211KB
              • SHA256 ab64835b63093c31975df2692756c8008e7ec190e4aa86f15a713bcc62e1d432
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              _imaging.cp314-win_amd64.pyd
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\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\_MEI45202\VCRUNTIME140.dll
              • Size 117KB
              • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              VCRUNTIME140_1.dll
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\VCRUNTIME140_1.dll
              • Size 48KB
              • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              _asyncio.pyd
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\_asyncio.pyd
              • Size 76KB
              • SHA256 dc6db118862ab3298e55e0f7c44c2c0dae4af9e810d2578271280202d6aa098a
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              _bz2.pyd
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\_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\_MEI45202\_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\_MEI45202\_ctypes.pyd
              • Size 139KB
              • SHA256 25d9b0be550d428fecc697ca20450343a7c3ce77c9f5283e9aecfd188d609250
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              _decimal.pyd
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\_decimal.pyd
              • Size 283KB
              • SHA256 8d41a84db20a9b985e98c802ad6833cf9625c744ad35478dd346f54f81488706
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              _elementtree.pyd
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\_elementtree.pyd
              • Size 135KB
              • SHA256 16f4d30a50fc25950762a8bbef9dd6c5750729345539c224d489be33e6d6f340
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              _hashlib.pyd
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\_hashlib.pyd
              • Size 67KB
              • SHA256 36ce760b9fac53fe51755f30a68d86f5fde89bf1b66c65c19e04aa3afa404ac2
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              _lzma.pyd
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\_lzma.pyd
              • Size 157KB
              • SHA256 5f7003f9f0256e36351ca2810b3485db28579b08e4d1d65f6f211fcd1136f395
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              _multiprocessing.pyd
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\_multiprocessing.pyd
              • Size 37KB
              • SHA256 9e87ce081fbcf0b6596fcba98e121379ad72a33d68e6b2af7a8bcc5b900229ba
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              _overlapped.pyd
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\_overlapped.pyd
              • Size 56KB
              • SHA256 ac877f3da413c1523c07b6a0dd1f7e0d7ceb3e8590a5e9e20a78eb1bcb700793
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              _queue.pyd
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\_queue.pyd
              • Size 35KB
              • SHA256 bb53357b4e91ac23ed4061f15ff3e5e91a5b3be1cbb0c6cf294521ae5b4efa1c
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              _socket.pyd
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\_socket.pyd
              • Size 85KB
              • SHA256 25ac83cac32ed0d67b2cc9672ce64cb53f0a29a75b14c276e901023ff43da5f9
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              _ssl.pyd
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\_ssl.pyd
              • Size 186KB
              • SHA256 5c07572df2913618cfb851b608cb5f74d740fcce5c3f2e63dc0a2ba39ab35dad
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              _wmi.pyd
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\_wmi.pyd
              • Size 39KB
              • SHA256 0ab1fbcf18c95d70343012feb1aad61e1ba95aaed5b4a08e57fc5990e8a9a452
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              _zstd.pyd
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\_zstd.pyd
              • Size 491KB
              • SHA256 262aea62a994920daf152a10bdc0ca83a8b1c0874e71db23734862431de182c6
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              base_library.zip
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\base_library.zip
              • Size 1.3MB
              • SHA256 6903a656cfe504a362004c51508a1b538c6d412d83330d1dc5b76306f9c87fb1
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              _rust.pyd
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\cryptography\hazmat\bindings\_rust.pyd
              • Size 9.4MB
              • SHA256 cbae8065586611b18e9ffba1885af0b3ba9c52b9e79c85ca4a33264c626e159d
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              libcrypto-3.dll
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\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\_MEI45202\libffi-8.dll
              • Size 38KB
              • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              libssl-3.dll
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\libssl-3.dll
              • Size 1.3MB
              • SHA256 b17a87979862d19241edc4318f967e24c3ec356ed6c2368f561179fab2311001
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              pyexpat.pyd
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\pyexpat.pyd
              • Size 217KB
              • SHA256 133942bde91fe43289076a0b50a01b265df4ead078617cca6f6604a4166e1260
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              python3.dll
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\python3.dll
              • Size 72KB
              • SHA256 22c6e46d8bd563cdb072650901461ef68be2ea6cb1e80af859559d9395a27e39
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              python314.dll
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\python314.dll
              • Size 6.5MB
              • SHA256 fde89cdb5c2d08ae65de7ef4abca1876c93ba3796002f5ac0bf7e4d4f5a94da0
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              select.pyd
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\select.pyd
              • Size 32KB
              • SHA256 fab1b4cee101359d82d72061b83cff1855337b3677b9fe01cd69f7548f4c496e
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              unicodedata.pyd
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\unicodedata.pyd
              • Size 741KB
              • SHA256 0d4f124b2d6622d276d777f7106972219f9b310edb5df8149c253da7c013d6d8
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              winsound.pyd
              • Path C:\Users\Admin\AppData\Local\Temp\_MEI45202\winsound.pyd
              • Size 32KB
              • SHA256 38eccf01b663abfad0bc40444043410fecc5af895be3a1efbc9bd1cfe787f5a6
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              memory/3248-147-0x00007FFA058C0000-0x00007FFA058F4000-memory.dmp
              Download

              memory/3248-146-0x00007FF6DF700000-0x00007FF6DF7F8000-memory.dmp
              Download

              memory/3248-148-0x00007FFA05600000-0x00007FFA058B6000-memory.dmp
              Download