Analysis

  • max time kernel
    225s
  • max time network
    262s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/09/2026, 14:21

Errors

Reason
Machine shutdown

General

  • Target
    svchost.exe
  • Size 23.6MB
  • Sample260925-rn21wsef65
  • SHA256 e30665607425b7fbe216599c996bf31e76260fe14658530b1e7d39e8e5750d10
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 38 IoCs
  • Modifies system executable filetype association 2 TTPs 16 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 3 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Looks up external IP address via web service 1 TTPs 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4672
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:5868
      • C:\Users\Admin\AppData\Local\Temp\sys_9208.exe
        C:\Users\Admin\AppData\Local\Temp\sys_9208.exe
        3⤵
        • Executes dropped EXE
        • Writes to the Master Boot Record (MBR)
        • Suspicious use of WriteProcessMemory
        PID:4720
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /k reg delete HKCR /f
          4⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:2420
          • C:\Windows\system32\reg.exe
            reg delete HKCR /f
            5⤵
            • Modifies system executable filetype association
            • Modifies registry class
            PID:5856
        • C:\Users\Admin\AppData\Local\Temp\nasm.exe
          "nasm.exe" -f bin mbr_temp.asm -o mbr_temp.bin
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4200
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x00000000000004F8 0x000000000000048C
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:5836

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140_1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\VCRUNTIME140_1.dll
        • Size 48KB
        • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _asyncio.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\_asyncio.pyd
        • Size 76KB
        • SHA256 dc6db118862ab3298e55e0f7c44c2c0dae4af9e810d2578271280202d6aa098a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\_bz2.pyd
        • Size 85KB
        • SHA256 d28c3dd1c22bfb8a6e8a6a9c2359842b797d08e878ecb7805f60e86a45589d11
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\_ctypes.pyd
        • Size 139KB
        • SHA256 25d9b0be550d428fecc697ca20450343a7c3ce77c9f5283e9aecfd188d609250
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\_hashlib.pyd
        • Size 67KB
        • SHA256 36ce760b9fac53fe51755f30a68d86f5fde89bf1b66c65c19e04aa3afa404ac2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\_lzma.pyd
        • Size 157KB
        • SHA256 5f7003f9f0256e36351ca2810b3485db28579b08e4d1d65f6f211fcd1136f395
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _overlapped.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\_overlapped.pyd
        • Size 56KB
        • SHA256 ac877f3da413c1523c07b6a0dd1f7e0d7ceb3e8590a5e9e20a78eb1bcb700793
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\_socket.pyd
        • Size 85KB
        • SHA256 25ac83cac32ed0d67b2cc9672ce64cb53f0a29a75b14c276e901023ff43da5f9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _sqlite3.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\_sqlite3.pyd
        • Size 129KB
        • SHA256 b0c4edff6d60f300373ec929ab915f95ee601bf167e04d28e4e9e28a8e536fe0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ssl.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\_ssl.pyd
        • Size 186KB
        • SHA256 5c07572df2913618cfb851b608cb5f74d740fcce5c3f2e63dc0a2ba39ab35dad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _uuid.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\_uuid.pyd
        • Size 27KB
        • SHA256 a09308efd309732e3745e70b4456235579c450cac32bed616dfb3913b56f6637
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _wmi.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\_wmi.pyd
        • Size 39KB
        • SHA256 0ab1fbcf18c95d70343012feb1aad61e1ba95aaed5b4a08e57fc5990e8a9a452
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _zstd.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\_zstd.pyd
        • Size 491KB
        • SHA256 262aea62a994920daf152a10bdc0ca83a8b1c0874e71db23734862431de182c6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _http_parser.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\aiohttp\_http_parser.cp314-win_amd64.pyd
        • Size 258KB
        • SHA256 44e90b54298a360c85678e0a4e45713bcf72305c1dc05dcb06aa0a6200eef7dd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _http_writer.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\aiohttp\_http_writer.cp314-win_amd64.pyd
        • Size 43KB
        • SHA256 471d44a62f269545f4608aef5c84a5d75fbd7a99fef2fed680fa5bccf389432d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mask.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\aiohttp\_websocket\mask.cp314-win_amd64.pyd
        • Size 34KB
        • SHA256 5f5c3de90b92c76af16b3773cb95f39d27acf2631adfa1da4e7dbf66e6be9d8a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        reader_c.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\aiohttp\_websocket\reader_c.cp314-win_amd64.pyd
        • Size 138KB
        • SHA256 ace655e0e595d5f29f5347e85ed294402ea624cb57ed73a879db78c3b68b792f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _audioop.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\audioop\_audioop.pyd
        • Size 48KB
        • SHA256 c9f875e7f6eb8ca8c9dddcf8f875e330f1b831b8ac042cfdb838fb2ae6cd40ef
        • MD5 SHA1 SHA512 SSDEEP TLSH

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\base_library.zip
        • Size 1.3MB
        • SHA256 9441781ed09939d0b92390de5c04dd4441acd517269f86baf380767d1eee9871
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _frozenlist.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\frozenlist\_frozenlist.cp314-win_amd64.pyd
        • Size 68KB
        • SHA256 054e5d97884e8d833528aa3a98868204a3ec46cabb6a656e72432634d117880a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libcrypto-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\libcrypto-3.dll
        • Size 6.0MB
        • SHA256 53c529145339fb042a3dcd3a09c2d7753204f8b4fc79d99e0d31e69a33985958
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libffi-8.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libssl-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\libssl-3.dll
        • Size 1.3MB
        • SHA256 b17a87979862d19241edc4318f967e24c3ec356ed6c2368f561179fab2311001
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _multidict.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\multidict\_multidict.cp314-win_amd64.pyd
        • Size 78KB
        • SHA256 d8e4a3fd076037466c870034caa01f011b30e45358d51fecadbe678a459233db
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _helpers_c.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\propcache\_helpers_c.cp314-win_amd64.pyd
        • Size 64KB
        • SHA256 cb2e3b34bafecbe41b058cf858916b092659745e3112dae913a9e390ca3b2827
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python3.DLL

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\python3.DLL
        • Size 72KB
        • SHA256 22c6e46d8bd563cdb072650901461ef68be2ea6cb1e80af859559d9395a27e39
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python314.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\python314.dll
        • Size 6.5MB
        • SHA256 fde89cdb5c2d08ae65de7ef4abca1876c93ba3796002f5ac0bf7e4d4f5a94da0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        select.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\select.pyd
        • Size 32KB
        • SHA256 fab1b4cee101359d82d72061b83cff1855337b3677b9fe01cd69f7548f4c496e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sqlite3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\sqlite3.dll
        • Size 1.5MB
        • SHA256 3557565665e608cd24726730e52690a131efcb0e2d5090337b2e05fb89d49c76
        • MD5 SHA1 SHA512 SSDEEP TLSH

        unicodedata.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\unicodedata.pyd
        • Size 741KB
        • SHA256 0d4f124b2d6622d276d777f7106972219f9b310edb5df8149c253da7c013d6d8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _quoting_c.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI46722\yarl\_quoting_c.cp314-win_amd64.pyd
        • Size 80KB
        • SHA256 3912a5ed94d6928ea73abf3308dcd40fe67223a037846d10d3a773203d807beb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4200-178-0x0000000000400000-0x0000000000539000-memory.dmp

        memory/4720-179-0x00007FFCEAF90000-0x00007FFCEB934000-memory.dmp

        memory/4720-173-0x00007FFCEAF90000-0x00007FFCEB934000-memory.dmp

        memory/4720-154-0x0000000000480000-0x00000000007C2000-memory.dmp

        memory/4720-155-0x00007FFCEAF90000-0x00007FFCEB934000-memory.dmp

        memory/4720-159-0x00007FFCEAF90000-0x00007FFCEB934000-memory.dmp

        memory/4720-160-0x00007FFCEAF90000-0x00007FFCEB934000-memory.dmp

        memory/4720-161-0x00007FFCEAF90000-0x00007FFCEB934000-memory.dmp

        memory/4720-168-0x00007FFCEAF90000-0x00007FFCEB934000-memory.dmp

        memory/4720-171-0x00007FFCEAF90000-0x00007FFCEB934000-memory.dmp

        memory/4720-153-0x00007FFCEAF90000-0x00007FFCEB934000-memory.dmp

        memory/4720-174-0x00007FFCEAF90000-0x00007FFCEB934000-memory.dmp

        memory/4720-152-0x00007FFCEB11F000-0x00007FFCEB120000-memory.dmp

        memory/4720-183-0x00007FFCEAF90000-0x00007FFCEB934000-memory.dmp

        memory/4720-176-0x00007FFCEAF90000-0x00007FFCEB934000-memory.dmp

        memory/4720-181-0x00007FFCEAF90000-0x00007FFCEB934000-memory.dmp

        memory/4720-182-0x00007FFCEAF90000-0x00007FFCEB934000-memory.dmp

        memory/5868-128-0x0000024574B00000-0x0000024574D88000-memory.dmp