Analysis

  • max time kernel
    150s
  • max time network
    131s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/10/2026, 11:31

General

  • Target
    RuntimeBroker.exe
  • Size 24.3MB
  • Sample261023-nmvzeabt21
  • SHA256 388373ff6857e41df6801347a4d0f7950d8c9369d42b2a255f28c6192ccf469e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell and hide display window.

  • Executes a file named after a Windows system binary 1 TTPs 2 IoCs

    The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

  • Loads dropped DLL 27 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe
    "C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe"
    1⤵
    • Executes a file named after a Windows system binary
    • Suspicious use of WriteProcessMemory
    PID:4228
    • C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe
      "C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe"
      2⤵
      • Executes a file named after a Windows system binary
      • Loads dropped DLL
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1140
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -WindowStyle Hidden -Command "Add-MpPreference -ExclusionPath \"C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe\"; Add-MpPreference -ExclusionPath \"C:\Users\Admin\AppData\Local\Temp\"; Add-MpPreference -ExclusionProcess \"RuntimeBroker.exe\""
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4740
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -WindowStyle Hidden -Command "Set-MpPreference -DisableRealtimeMonitoring $true"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        PID:5876

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 d28ef187840dcd1fe0a8a757ef9cd326023bec38b39ef1338f91d508d55dcf28
        • MD5 SHA1 SHA512 TLSH

        _imaging.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\PIL\_imaging.cp314-win_amd64.pyd
        • Size 2.5MB
        • SHA256 d823c0e3b54035d08703bb427c553c956c2607b79395f2952e17a5447c5f1105
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\VCRUNTIME140.dll
        • Size 174KB
        • SHA256 d1f4225df2cd877dbf130d5668a021dce3f94118455ff5ec952061c30afc9ce7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140_1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\VCRUNTIME140_1.dll
        • Size 48KB
        • SHA256 a7146c08f89fe5b04541ab507cdb59ff7b44534d4ba3c668a426c6450a03434e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _asyncio.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\_asyncio.pyd
        • Size 76KB
        • SHA256 f9594a2a4f45570dbfdf1f3471194ae7b27dc117c54b9af6bc22df9c93830f8b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _brotli.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\_brotli.cp314-win_amd64.pyd
        • Size 836KB
        • SHA256 44f02bcf2b15519a487cf653e16b5f9c65f26d0be559592878988ad47148fc5e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\_bz2.pyd
        • Size 86KB
        • SHA256 b938073c85cf6b9fe80556d7899ed1901e5e60b7adea2832442376239fb36b36
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\_ctypes.pyd
        • Size 139KB
        • SHA256 408cc4e7a22ffa418ca52f5e13fe9268a3c50a2bc9de02b0530b555ef591bc5a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\_hashlib.pyd
        • Size 67KB
        • SHA256 5933ef5eda7c0bca0b3874a6e2c5f13b91b8f2cfc29bc46160df3212a1dbee79
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\_lzma.pyd
        • Size 157KB
        • SHA256 d2abf8db7fb0cf6285663b177991691a41b37e215c3d71fd087a98d8ec1bee63
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _overlapped.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\_overlapped.pyd
        • Size 56KB
        • SHA256 1d7028683e6ec50c159139238f90a6c8431ece139a4764900ca11c941ba05d46
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _queue.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\_queue.pyd
        • Size 35KB
        • SHA256 2fd8668f52b34d0e71ae48784bd2e7d35e5d99df6f641edb0fc279235a187c8e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\_socket.pyd
        • Size 85KB
        • SHA256 02265dd0d0287f3ffd287ea5d8e3c918a5a056e8ef2c4529857f5e84ec9e2519
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ssl.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\_ssl.pyd
        • Size 186KB
        • SHA256 4cfb154c7cc525d57020c0e64f2dd876a78b46cd38419446392478de6b7b13b8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _uuid.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\_uuid.pyd
        • Size 27KB
        • SHA256 fbfd7fe8583b346ba20b174b2510c0830237f5092bdf9fc26da9d6b25b018385
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _wmi.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\_wmi.pyd
        • Size 39KB
        • SHA256 b6fd41f079da0c0054829855360e88b8b762f5c42bb474c2fa02eae367839ad2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _zstd.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\_zstd.pyd
        • Size 491KB
        • SHA256 33c6eca99470c3eb9d776b617c550ad41b002a668336f062a9ab7be677a7409a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\base_library.zip
        • Size 1.3MB
        • SHA256 03f9e5318b406155bda52bfb911c16f9d2cd6a13d483135b1d5c16b69dd8583c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cd.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\charset_normalizer\cd.cp314-win_amd64.pyd
        • Size 116KB
        • SHA256 f234a1dbd19363a3260d6a1e2d82ec1c6e30b2e23d6057796021231d668d978a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        md.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\charset_normalizer\md.cp314-win_amd64.pyd
        • Size 193KB
        • SHA256 faf5cb006492b3526abcbfdac9a0d39cd52d32425292db9d2a210d8b44d9d925
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libcrypto-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\libcrypto-3.dll
        • Size 6.0MB
        • SHA256 53c529145339fb042a3dcd3a09c2d7753204f8b4fc79d99e0d31e69a33985958
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libffi-8.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libssl-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\libssl-3.dll
        • Size 1.3MB
        • SHA256 b17a87979862d19241edc4318f967e24c3ec356ed6c2368f561179fab2311001
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python3.DLL

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\python3.DLL
        • Size 72KB
        • SHA256 6c45910e7c82617ca6360820de861699cc99f9efee434df290aa4c6e38f39886
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python314.DLL

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\python314.DLL
        • Size 6.5MB
        • SHA256 0f9857ffdfe010fe6b99328d58c2e3c7472ce75f336bf9c2ad9bd5bca3bce700
        • MD5 SHA1 SHA512 SSDEEP TLSH

        select.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\select.pyd
        • Size 32KB
        • SHA256 722328e7fad8048057fc966474ba73966d2ceebaa32e7344cce09640ab4dc9bd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Lorem ipsum.txt

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\setuptools\_vendor\jaraco\text\Lorem ipsum.txt
        • Size 1KB
        • SHA256 37fedcffbf73c4eb9f058f47677cb33203a436ff9390e4d38a8e01c9dad28e0b
        • MD5 SHA1 SHA512 TLSH

        ucrtbase.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\ucrtbase.dll
        • Size 1.1MB
        • SHA256 c04daeba7e7c4b711d33993ab4c51a2e087f98f4211aea0dcb3a216656ba0ab7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        unicodedata.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000010842\unicodedata.pyd
        • Size 741KB
        • SHA256 280b09bd97b598d18c0ed9542dc18ed35fa57a16e84f8e65fd9c6e96516c28d6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_ry30eibf.ty0.psm1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ry30eibf.ty0.psm1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        memory/4740-214-0x0000021A59CE0000-0x0000021A59CEA000-memory.dmp

        memory/4740-215-0x00007FFEF1180000-0x00007FFEF1B24000-memory.dmp

        memory/4740-207-0x00007FFEF1180000-0x00007FFEF1B24000-memory.dmp

        memory/4740-204-0x0000021A59C10000-0x0000021A59C32000-memory.dmp

        memory/4740-211-0x0000021A59F00000-0x0000021A59FB2000-memory.dmp

        memory/4740-212-0x00007FFEF1180000-0x00007FFEF1B24000-memory.dmp

        memory/4740-213-0x00007FFEF1180000-0x00007FFEF1B24000-memory.dmp

        memory/4740-210-0x0000021A59CC0000-0x0000021A59CDE000-memory.dmp

        memory/4740-206-0x00007FFEF1180000-0x00007FFEF1B24000-memory.dmp

        memory/4740-216-0x00007FFEF1180000-0x00007FFEF1B24000-memory.dmp

        memory/4740-205-0x00007FFEF1180000-0x00007FFEF1B24000-memory.dmp

        memory/4740-217-0x00007FFEF1180000-0x00007FFEF1B24000-memory.dmp

        memory/4740-218-0x00007FFEF1180000-0x00007FFEF1B24000-memory.dmp

        memory/4740-220-0x00007FFEF1180000-0x00007FFEF1B24000-memory.dmp

        memory/4740-221-0x00007FFEF1180000-0x00007FFEF1B24000-memory.dmp

        memory/4740-201-0x00007FFEF130F000-0x00007FFEF1310000-memory.dmp

        memory/5876-227-0x0000024B716C0000-0x0000024B71772000-memory.dmp