Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    31/08/2026, 07:13

General

  • Target
    Setup.exe
  • Size 102KB
  • Sample260831-h154msfb53
  • SHA256 7123e1514b939b165985560057fe3c761440a9fff9783a3b84e861fd2888d4ab
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Indirect Command Execution 1 TTPs 1 IoCs

    Adversaries may abuse utilities that allow for command execution to bypass security restrictions that limit the use of command-line interpreters.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 5 IoCs

    Using powershell.exe command.

  • Executes a command shell one-liner 1 TTPs 10 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 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 4 IoCs

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

  • NTFS ADS 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Checks SCSI registry key(s)
    • NTFS ADS
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3212
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c "ver"
      2⤵
      • Executes a command shell one-liner
      PID:4976
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c "ver"
      2⤵
      • Executes a command shell one-liner
      PID:1564
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c "ver"
      2⤵
      • Executes a command shell one-liner
      PID:2212
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c "powershell -Command "Get-PSDrive C | Select-Object Used,Free""
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:688
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "Get-PSDrive C | Select-Object Used,Free"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:728
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c "powershell -Command "Get-CimInstance Win32_ComputerSystem | Select-Object TotalPhysicalMemory""
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:1660
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "Get-CimInstance Win32_ComputerSystem | Select-Object TotalPhysicalMemory"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1740
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c "powershell -Command "Get-CimInstance Win32_Processor | Select-Object NumberOfLogicalProcessors""
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:5016
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "Get-CimInstance Win32_Processor | Select-Object NumberOfLogicalProcessors"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        PID:1440
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c "powershell -Command "Get-CimInstance Win32_ComputerSystem | Select-Object Model""
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4796
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "Get-CimInstance Win32_ComputerSystem | Select-Object Model"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        PID:4072
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c "powershell -Command "Get-CimInstance Win32_ComputerSystem | Select-Object Manufacturer""
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:2076
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "Get-CimInstance Win32_ComputerSystem | Select-Object Manufacturer"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        PID:1872
    • C:\Windows\SYSTEM32\forfiles.exe
      forfiles.exe /p C:\Users\Admin\AppData\Local\Temp\tmp-85219-DHtXzT152Spo /m tlIbTiy6M.tt /c "cmd /c ren @file tlIbTiy6M.bat && call tlIbTiy6M.bat"
      2⤵
      • Indirect Command Execution
      • Suspicious use of WriteProcessMemory
      PID:4612
      • C:\Windows\SYSTEM32\cmd.exe
        /c ren "tlIbTiy6M.tt" tlIbTiy6M.bat && call tlIbTiy6M.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1336
        • C:\Windows\system32\chcp.com
          chcp 65001
          4⤵
            PID:1580
          • C:\Windows\system32\where.exe
            where conhost.exe
            4⤵
              PID:4188
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c reg query "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion" /v CurrentBuildNumber 2>nul | find "CurrentBuildNumber"
              4⤵
              • Executes a command shell one-liner
              • Suspicious use of WriteProcessMemory
              PID:696
              • C:\Windows\system32\reg.exe
                reg query "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion" /v CurrentBuildNumber
                5⤵
                  PID:4040
                • C:\Windows\system32\find.exe
                  find "CurrentBuildNumber"
                  5⤵
                    PID:204
                • C:\Windows\System32\conhost.exe
                  "C:\Windows\System32\conhost.exe" --headless cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\tmp-85219-DHtXzT152Spo\tlIbTiy6M.bat" /launched
                  4⤵
                  • Suspicious use of WriteProcessMemory
                  PID:3432
                  • C:\Windows\System32\cmd.exe
                    cmd.exe /c C:\Users\Admin\AppData\Local\Temp\tmp-85219-DHtXzT152Spo\tlIbTiy6M.bat /launched
                    5⤵
                    • Executes a command shell one-liner
                    • Suspicious use of WriteProcessMemory
                    PID:1808
                    • C:\Windows\system32\chcp.com
                      chcp 65001
                      6⤵
                        PID:4892
                      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
                        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" "C:\Users\Admin\AppData\Local\Temp\tmp-85219-DHtXzT152Spo\CastleCore.csproj" /nologo /v:q /nodereuse:false /noconlog
                        6⤵
                        • Suspicious use of NtSetInformationThreadHideFromDebugger
                        • System Location Discovery: System Language Discovery
                        PID:1300

            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 4KB
                  • SHA256 15d5db2d709306df16fb0ebf06aec3ef91af94ad8e40f66cb6466d0f37edcb50
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  StartupProfileData-NonInteractive

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                  • Size 1KB
                  • SHA256 f87622ceb5ec5d9485c227d2e66fd1af8c4b6a785bd7e0296f6f09df8bbb9999
                  • MD5 SHA1 SHA512 TLSH

                  StartupProfileData-NonInteractive

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                  • Size 1KB
                  • SHA256 e432500e816db100a179a958e439af5d4f0f56b8bb4deee10c46640d72039f00
                  • MD5 SHA1 SHA512 TLSH

                  StartupProfileData-NonInteractive

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                  • Size 1KB
                  • SHA256 34a96024256235e2dffc9c3e74f42f5fb95a0d2b9c795b72619510533ace1323
                  • MD5 SHA1 SHA512 TLSH

                  StartupProfileData-NonInteractive

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                  • Size 1KB
                  • SHA256 6fa9e2383011bb63b475b42dbc83c1e1db57135ac2590bec0a9003e7f036eeb7
                  • MD5 SHA1 SHA512 TLSH

                  __PSScriptPolicyTest_ep3ccxpq.4zs.ps1

                  • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ep3ccxpq.4zs.ps1
                  • Size 60B
                  • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                  • MD5 SHA1 SHA512 TLSH

                  persistent.1788161675.tmp

                  • Path C:\Users\Admin\AppData\Local\Temp\data\saves\persistent.1788161675.tmp
                  • Size 1KB
                  • SHA256 76f9714b8f86b15c9c5563d875ccc8c881b9d207e8cef8176c4893124a0b341d
                  • MD5 SHA1 SHA512 TLSH

                  CastleCore.csproj

                  • Path C:\Users\Admin\AppData\Local\Temp\tmp-85219-DHtXzT152Spo\CastleCore.csproj
                  • Size 15.3MB
                  • SHA256 8a8bc036f302f8c5b23fa63cef3b1901a100a56f7866c1a6f8fc42bcc89061c9
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  CastleCore.csproj.user

                  • Path C:\Users\Admin\AppData\Local\Temp\tmp-85219-DHtXzT152Spo\CastleCore.csproj.user
                  • Size 373KB
                  • SHA256 65450ad7a05eaa4532f038a1f1f7adac5f01c4a9a0c2058bc4c0d8f7310c595a
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Common.targets

                  • Path C:\Users\Admin\AppData\Local\Temp\tmp-85219-DHtXzT152Spo\Common.targets
                  • Size 334KB
                  • SHA256 340c8a7b0f6b008edc987c18313daa380bba5f5db80074ed89d28ac38ebcfe4c
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Shared.props

                  • Path C:\Users\Admin\AppData\Local\Temp\tmp-85219-DHtXzT152Spo\Shared.props
                  • Size 226KB
                  • SHA256 52391d309dc5fed2afe82fbd6adf959b99406072b1a90f37f4d2ee33e27d888c
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  Shared.props:Zone.Identifier

                  • Path C:\Users\Admin\AppData\Local\Temp\tmp-85219-DHtXzT152Spo\Shared.props:Zone.Identifier
                  • Size 28B
                  • SHA256 3ae4037a8fd8d2de21538efba26e4428961187d29a6cbbfbd7c60e76cf4bc9d6
                  • MD5 SHA1 SHA512

                  tlIbTiy6M.tt

                  • Path C:\Users\Admin\AppData\Local\Temp\tmp-85219-DHtXzT152Spo\tlIbTiy6M.tt
                  • Size 1KB
                  • SHA256 4c22f7ccb67cf38d0d0ef03c489bf2718f33072823fd557630dba91ed02f8be0
                  • MD5 SHA1 SHA512 TLSH

                  text.txt

                  • Path C:\Users\Admin\AppData\Roaming\RenPy\Game-1738212058\sync\text.txt
                  • Size 5B
                  • SHA256 314ad142957febe390cc7223b4deb1d1b21c187f84f6e7257a23fe46c27fcae3
                  • MD5 SHA1 SHA512

                  memory/728-260-0x00000229E4E00000-0x00000229E4E10000-memory.dmp

                  memory/728-271-0x00000229E6290000-0x00000229E62B4000-memory.dmp

                  memory/728-270-0x00000229E6290000-0x00000229E62BA000-memory.dmp

                  memory/728-262-0x00000229E4DA0000-0x00000229E4DC2000-memory.dmp

                  memory/728-261-0x00000229E4E00000-0x00000229E4E10000-memory.dmp

                  memory/1300-346-0x0000000000310000-0x0000000000350000-memory.dmp

                  memory/1300-348-0x00000000027B0000-0x00000000027CA000-memory.dmp

                  memory/1300-349-0x0000000004DB0000-0x0000000004F0A000-memory.dmp

                  memory/1300-350-0x0000000004D10000-0x0000000004D40000-memory.dmp

                  memory/1300-355-0x0000000008910000-0x000000000898A000-memory.dmp

                  memory/1300-356-0x000000001A900000-0x000000001AE24000-memory.dmp

                  memory/1300-357-0x000000001B590000-0x000000001B690000-memory.dmp