Analysis

  • max time kernel
    300s
  • max time network
    306s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/09/2026, 22:09

General

  • Target
    Setup/Setup.exe
  • Size 10.4MB
  • Sample260901-121vessvew
  • SHA256 386cf8552d9777c0bcb6a66f4fc8712d24b2302dcda9b8bffdca521d1316d8aa
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 2 IoCs
  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 49 IoCs
  • Adds Run key to start application 2 TTPs 2 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.

  • Detects Pyinstaller 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup\Setup.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1228
    • C:\Users\Admin\AppData\Local\Microsoft\COMWindows\Setup.exe
      "C:\Users\Admin\AppData\Local\Microsoft\COMWindows\Setup.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2056
      • C:\Users\Admin\AppData\Local\Microsoft\COMWindows\Setup.exe
        "C:\Users\Admin\AppData\Local\Microsoft\COMWindows\Setup.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3392
        • C:\Users\Admin\AppData\Local\Microsoft\COMWindows\COM Windows.exe
          "C:\Users\Admin\AppData\Local\Microsoft\COMWindows\COM Windows.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:3332
          • C:\Users\Admin\AppData\Local\Microsoft\COMWindows\COM Windows.exe
            "C:\Users\Admin\AppData\Local\Microsoft\COMWindows\COM Windows.exe"
            5⤵
            • Creates a file in the Startup directory
            • Executes dropped EXE
            • Loads dropped DLL
            • Adds Run key to start application
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:5540
            • C:\Windows\SYSTEM32\schtasks.exe
              schtasks /Create /F /TN COMWindows /SC ONLOGON /IT /RL HIGHEST /TR "\"C:\Users\Admin\AppData\Local\Microsoft\COMWindows\COM Windows.exe\""
              6⤵
              • Scheduled Task/Job: Scheduled Task
              PID:1056
  • C:\Users\Admin\AppData\Local\Microsoft\COMWindows\COM Windows.exe
    "C:\Users\Admin\AppData\Local\Microsoft\COMWindows\COM Windows.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:5644
    • C:\Users\Admin\AppData\Local\Microsoft\COMWindows\COM Windows.exe
      "C:\Users\Admin\AppData\Local\Microsoft\COMWindows\COM Windows.exe"
      2⤵
      • Creates a file in the Startup directory
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2880
      • C:\Windows\SYSTEM32\schtasks.exe
        schtasks /Create /F /TN COMWindows /SC ONLOGON /IT /RL HIGHEST /TR "\"C:\Users\Admin\AppData\Local\Microsoft\COMWindows\COM Windows.exe\""
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3620
      • C:\Users\Admin\AppData\Local\Microsoft\COMWindows\COM Windows Worker.exe
        "C:\Users\Admin\AppData\Local\Microsoft\COMWindows\COM Windows Worker.exe" --config=C:\Users\Admin\AppData\Local\Microsoft\COMWindows\config.json
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:3736

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        Setup.exe

        • Path C:\Users\Admin\AppData\Local\Microsoft\COMWindows\Setup.exe
        • Size 10.1MB
        • SHA256 a5b9d04f745a12e05408c4b1e6235dce399f9c6e150b52fe2746ad25f4f46238
        • MD5 SHA1 SHA512 SSDEEP TLSH

        miner.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\COMWindows\miner.log
        • Size 2KB
        • SHA256 910a3a0079143f9c65b58877b5cbaa6c60d25662119212af669ea3638f12bdab
        • MD5 SHA1 SHA512 TLSH

        miner.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\COMWindows\miner.log
        • Size 3KB
        • SHA256 526b98b9d5f0b1761335404ce293ef359aa16e617903821df710be665ec785f1
        • MD5 SHA1 SHA512 TLSH

        miner.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\COMWindows\miner.log
        • Size 4KB
        • SHA256 6a5bd3835e7f76ec736ebfaf8b68ff33064ad92a81159b8a4b1c7072075739f3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000008082\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000008082\_bz2.pyd
        • Size 84KB
        • SHA256 65f610646d10d5babea080e060d244b546ec52c54012e5e937dc72dcc2e2e7bc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000008082\_ctypes.pyd
        • Size 124KB
        • SHA256 0e56107a891100535f2da79d85a5ae65ff1227b4765bd108f8593ac1a1110d81
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000008082\_hashlib.pyd
        • Size 67KB
        • SHA256 03d233dbace599168eaffec823de6ed7beec8c2a4ebfe9b8a3d8e042a59af3ba
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000008082\_socket.pyd
        • Size 83KB
        • SHA256 3efa4636cf9e350856f6927d67a4c2564bf9bd2758a00bbf17d3aece5b60016d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ssl.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000008082\_ssl.pyd
        • Size 175KB
        • SHA256 0bc527d2dbc50009f43b2ed5d5982c4f63f4b647647ffa9eda612dcda80f6040
        • MD5 SHA1 SHA512 SSDEEP TLSH

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000008082\base_library.zip
        • Size 1.2MB
        • SHA256 2a44ee4824ea6900aec6ca9c11738c9c84753a6cd0db6858f7b99cdf75dda9a5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        build.json

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000008082\build.json
        • Size 967B
        • SHA256 7e0b3a03b45b1a188cdd2c9a37078b6492a9c8e4a52a344a15cb1791bedc58ba
        • MD5 SHA1 SHA512 TLSH

        libcrypto-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000008082\libcrypto-3.dll
        • Size 5.0MB
        • SHA256 ccfffddcd3defb8d899026298af9af43bc186130f8483d77e97c93233d5f27d7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libffi-8.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000008082\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libssl-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000008082\libssl-3.dll
        • Size 776KB
        • SHA256 007142039f04d04e0ed607bda53de095e5bc6a8a10d26ecedde94ea7d2d7eefe
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _psutil_windows.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000008082\psutil\_psutil_windows.pyd
        • Size 69KB
        • SHA256 0035450801bd7d938e9e146c5ec28e619cb5a5f4a18cdc53ac7e9734c7f94f78
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python312.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000008082\python312.dll
        • Size 6.6MB
        • SHA256 9a0e3435aaa680d868150f87ab3e388ad2eebc22f87e036155c7b4eda8cd2120
        • MD5 SHA1 SHA512 SSDEEP TLSH

        xmrig.exe

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000008082\xmrig.exe
        • Size 6.2MB
        • SHA256 6fa80698d7268f6e88aa88c06fb27ee99e1bcee747c2e76911e6206a5b1aeeb3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI00000d042\_lzma.pyd
        • Size 157KB
        • SHA256 e3deecc1f59a3b811c608861decd84de1e8df8bafd5e2b39188861318c5a38cf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI00000d042\python3.dll
        • Size 68KB
        • SHA256 fb975a606e7fbf74f64260e3f60c3490b4f74a183c0926fd6ed1ac4c52ac7b1c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        select.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI00000d042\select.pyd
        • Size 32KB
        • SHA256 d4d7181b11db0bd22a6cd5cda6f8583d1f5c77615fd0a6ca33350619d6e0438a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3392-86-0x00000186F1C10000-0x00000186F22BB000-memory.dmp

        memory/3736-208-0x000001E96E050000-0x000001E96E070000-memory.dmp

        memory/5540-179-0x000001E8BD370000-0x000001E8BDA1B000-memory.dmp