Overview

overview

8

Static

static

3

teste nexo (1).exe

windows10-2004-x64

7

teste nexo (1).exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 03:46

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General

  • Target
    teste nexo (1).exe
  • Size 25.7MB
  • Sample260701-ebyrgsfw9s
  • SHA256 03414d64043c3269a1ef10ac60207209a9baf26882d5d283784b87f23e94975a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarepersistenceransomwarespyware

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Loads dropped DLL 26 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 40 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 38 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 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.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\teste nexo (1).exe
    "C:\Users\Admin\AppData\Local\Temp\teste nexo (1).exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Users\Admin\AppData\Local\Temp\teste nexo (1).exe
      "C:\Users\Admin\AppData\Local\Temp\teste nexo (1).exe"
      2⤵
      • Loads dropped DLL
      PID:5820
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:5460
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:5904
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3144
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4200

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        prep_Activatable Class_Hermes_perf.cache
        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
        • Size 599B
        • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        81d243bd2c585b0f4821__mypyc.cp314-win_amd64.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\81d243bd2c585b0f4821__mypyc.cp314-win_amd64.pyd
        • Size 211KB
        • SHA256 ab64835b63093c31975df2692756c8008e7ec190e4aa86f15a713bcc62e1d432
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _imaging.cp314-win_amd64.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\PIL\_imaging.cp314-win_amd64.pyd
        • Size 2.5MB
        • SHA256 b4e06283c347910b5973bd5732159ea9eb26eda48e3eed183be2e3382db26597
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _webp.pyi
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\PIL\_webp.pyi
        • Size 66B
        • SHA256 cc3f2f0283c2f1a1085637dc90bb45b24456e6c6a255e977fac254036a476867
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        VCRUNTIME140.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        VCRUNTIME140_1.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\VCRUNTIME140_1.dll
        • Size 48KB
        • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _bz2.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\_bz2.pyd
        • Size 85KB
        • SHA256 082a761a280b08afecf6fb0509050ffbf7e87d1638ca49466b8b3eb4c85009b4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _ctypes.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\_ctypes.pyd
        • Size 139KB
        • SHA256 a11d680d89f054584e6a5b2a03103d8731def86e367aff2f70cce8c6367f9025
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _hashlib.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\_hashlib.pyd
        • Size 67KB
        • SHA256 0c11671a2c572b4c016be263789f238125419df5711e281acdce8da50d9badda
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _lzma.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\_lzma.pyd
        • Size 157KB
        • SHA256 2376cd374ce8c2c5ecf573226e563a96975599533f86a5f5eba5bdb705e341bb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _queue.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\_queue.pyd
        • Size 35KB
        • SHA256 8e75c8667f938c3e9b2e9739c09b08517b487437757f125ac400c70c7eadf270
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _socket.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\_socket.pyd
        • Size 85KB
        • SHA256 42b84410269af5a5578679a3fe7b17d75d28f77a0c3c09d589adadd9d2d3e5f6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _ssl.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\_ssl.pyd
        • Size 180KB
        • SHA256 bc17486f149f7311839c70b1cda5a22e4546a9670d3136d665df95ff3cc43abd
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        auto.tcl
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\_tcl_data\auto.tcl
        • Size 21KB
        • SHA256 08113823951619d659eb03a1f6acd2f9500e1264795219125a5df7b83cabcb99
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        cp1252.enc
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\_tcl_data\encoding\cp1252.enc
        • Size 1KB
        • SHA256 741859cf238c3a63bbb20ec6ed51e46451372bb221cfff438297d261d0561c2e
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        pkgIndex.tcl
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\_tcl_data\http1.0\pkgIndex.tcl
        • Size 746B
        • SHA256 77265723959c092897c2449c5b7768ca72d0efcd8c505bddbb7a84f6aa401339
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        init.tcl
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\_tcl_data\init.tcl
        • Size 25KB
        • SHA256 acacce15658dd7ce8f69b1e3d3a94770a22972a8e906eb3b61cd06f0ecd5db59
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        pkgIndex.tcl
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\_tcl_data\opt0.4\pkgIndex.tcl
        • Size 636B
        • SHA256 68accee3eb8d0f134f9472c95425190ec08e7793df20a58d7d35325f42804695
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        package.tcl
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\_tcl_data\package.tcl
        • Size 23KB
        • SHA256 b471cec9056b62d562020b14d69d4bd1f92dfe158afc8ba81c6341836211ca46
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        tclIndex
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\_tcl_data\tclIndex
        • Size 7KB
        • SHA256 577f042bbe640e2739606a1f76098abdb8bd1d1f31526402fb82b21091644f65
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        tm.tcl
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\_tcl_data\tm.tcl
        • Size 11KB
        • SHA256 f0cc13daca21fee538cca757aa09e88a969a85174eda26e61e573dda6c7ba413
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        pkgIndex.tcl
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\_tk_data\pkgIndex.tcl
        • Size 376B
        • SHA256 6127926b94db2992ab450fc6cc2ec3d071f7bbc856656d0ae20cc3fd4036f547
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        tk.tcl
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\_tk_data\tk.tcl
        • Size 23KB
        • SHA256 b7fd24177b17f67da2ca671f711309c65cf246be1fd0cf4f1ab8f3ea9ca2c3f1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _tkinter.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\_tkinter.pyd
        • Size 67KB
        • SHA256 f1d7eebfe85d0b3ef56e9db4d23fe3421de7ed77bfd8bea1df83a1ae96600fea
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _wmi.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\_wmi.pyd
        • Size 39KB
        • SHA256 a299a6caf7241cebb0081c3ed9e98f815c61feee3e4813c1fd32369bd3fe6f5e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _zstd.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\_zstd.pyd
        • Size 491KB
        • SHA256 8f04a54778d4f21202f1bb9cfd5d080c5c5022158016dcaaf5908f7e2350270c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        base_library.zip
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\base_library.zip
        • Size 1.3MB
        • SHA256 97da01b5945b0665a3ff46a953bf44b0d80fad838c04cef3fc620ae1fa807c48
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        cd.cp314-win_amd64.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\charset_normalizer\cd.cp314-win_amd64.pyd
        • Size 10KB
        • SHA256 da3ce780d6d58ae8c6920b99f806f64d58a1b33f4a01382861b01b50549199f8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libcrypto-3.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\libcrypto-3.dll
        • Size 5.0MB
        • SHA256 e03dd02fdcfb791981c9962827cfcf495f2a47a514c1526efb57f847a9df514a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libffi-8.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libssl-3.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\libssl-3.dll
        • Size 776KB
        • SHA256 1e4bc0638682bfcbb36f4465d6a2e9944d917a60f05ecc8ddf9e96847e05e13f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python3.DLL
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\python3.DLL
        • Size 72KB
        • SHA256 28a395fb2bda5e71084478abea00da9ab1c1dfeb7c4856c258518bee9cc146f1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python314.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\python314.dll
        • Size 6.4MB
        • SHA256 7ffe3ab11342db03cc18b026f27485c0f74f5bf10f239f1f6573394900596394
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        select.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\select.pyd
        • Size 32KB
        • SHA256 a0f7b2e00144794e497d11fffc14e7a968f59e207c702ca7b262b7037065b5ba
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Lorem ipsum.txt
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\setuptools\_vendor\jaraco\text\Lorem ipsum.txt
        • Size 1KB
        • SHA256 37fedcffbf73c4eb9f058f47677cb33203a436ff9390e4d38a8e01c9dad28e0b
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        tcl86t.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\tcl86t.dll
        • Size 1.8MB
        • SHA256 a308beae8555cff5ac2aff7eaf0aef40b5fe173f047e246dc49da9a4d3ef62f9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        msgcat-1.6.1.tm
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\tcl8\8.5\msgcat-1.6.1.tm
        • Size 34KB
        • SHA256 adca186be560f2236265f538d4cb6df1171bed91192118796988bb9c08a4bc7c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        tk86t.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\tk86t.dll
        • Size 1.5MB
        • SHA256 20f4876506bce7f89e53570e64fd1dce30a64548326b45f372871c7019560df4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        unicodedata.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\unicodedata.pyd
        • Size 740KB
        • SHA256 64844c24f67e7eafb77142b4cbe4a430f4db3b16f59191586ba6596ca19fc775
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        zlib1.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI19962\zlib1.dll
        • Size 142KB
        • SHA256 1dd27f0411ebb31bd148a61589cee254410915f1e6c37aa3ffa52fac71a5426c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3144-1189-0x0000023B801E0000-0x0000023B802E0000-memory.dmp
        Download

        memory/3144-1217-0x0000023B947E0000-0x0000023B94800000-memory.dmp
        Download

        memory/3144-1199-0x0000023B94000000-0x0000023B94100000-memory.dmp
        Download

        memory/3144-1201-0x0000023B82D80000-0x0000023B82DA0000-memory.dmp
        Download

        memory/3144-1198-0x0000023B82A20000-0x0000023B82A40000-memory.dmp
        Download

        memory/3144-1191-0x0000023B801E0000-0x0000023B802E0000-memory.dmp
        Download

        memory/5820-1168-0x00007FFB58B80000-0x00007FFB58BA9000-memory.dmp
        Download

        memory/5904-1351-0x000000000F3A0000-0x000000000F420000-memory.dmp
        Download