Analysis

  • max time kernel
    151s
  • max time network
    132s
  • 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, 04:18

General

  • Target
    install_sint001.exe
  • Size 40.7MB
  • Sample260814-ew2c4sfb72
  • SHA256 d7a4077194a461153b96e46275a1c9f7a9b69d41280cd3e200ca025e7769059e
  • 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 4 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 7 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_sint001.exe
    "C:\Users\Admin\AppData\Local\Temp\install_sint001.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:3520
  • C:\Users\Public\aoY7sb\72z9wJ.exe
    "C:\Users\Public\aoY7sb\72z9wJ.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:4616
    • 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:4608
    • 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\aoY7sb\" /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:2984
      • 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\aoY7sb\" /t REG_DWORD /d 0 /f"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1668
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Run /TN "Task1"
        3⤵
          PID:5576
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Delete /TN "Task1" /F
          3⤵
            PID:5792
        • 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: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:\ProgramData\" /t REG_DWORD /d 0 /f"
            3⤵
            • Scheduled Task/Job: Scheduled Task
            PID:2420
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Run /TN "Task1"
            3⤵
              PID:4208
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Delete /TN "Task1" /F
              3⤵
                PID:3248
            • 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:5080
              • 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:1332
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Run /TN "Task1"
                3⤵
                  PID:3876
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Delete /TN "Task1" /F
                  3⤵
                    PID:3728
                • 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:3732
                  • 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:1132
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Run /TN "Task1"
                    3⤵
                      PID:904
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Delete /TN "Task1" /F
                      3⤵
                        PID:2456
                    • 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:1676
                      • 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:3412
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Run /TN "Task1"
                        3⤵
                          PID:4500
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Delete /TN "Task1" /F
                          3⤵
                            PID:2548
                      • C:\Users\Public\aoY7sb\72z9wJ.exe
                        "C:\Users\Public\aoY7sb\72z9wJ.exe"
                        1⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        PID:1944
                      • C:\Windows\system32\cmd.exe
                        "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\aoY7sb" /t REG_DWORD /d 0 /f
                        1⤵
                        • Executes a command shell one-liner
                        • Suspicious use of WriteProcessMemory
                        PID:3952
                        • C:\Windows\System32\reg.exe
                          reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\aoY7sb" /t REG_DWORD /d 0 /f
                          2⤵
                          • Windows security bypass
                          PID:5372
                      • C:\Windows\system32\cmd.exe
                        cmd.exe
                        1⤵
                          PID:2100
                        • 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:5088
                          • 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:5828
                        • 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:1008
                          • 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:2656

                        Network

                              MITRE ATT&CK Enterprise v16

                              Replay Monitor

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                              Downloads

                              72z9wJ.exe

                              • Path C:\Users\Public\aoY7sb\72z9wJ.exe
                              • Size 135KB
                              • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              UxEnhance64.dll

                              • Path C:\Users\Public\aoY7sb\UxEnhance64.dll
                              • Size 3.1MB
                              • SHA256 2937f57b672e6909ec760807f5a7f560848992f7f2c191c54b27c0325e752253
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              adoresd.dat

                              • Path C:\Users\Public\aoY7sb\adoresd.dat
                              • Size 4.7MB
                              • SHA256 1b22996a1aa5bef1e077fc13e5d0d033931a77740556fad07295ca857b512344
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              msadox.tb

                              • Path C:\Users\Public\aoY7sb\msadox.tb
                              • Size 8KB
                              • SHA256 a7711e4bade7c6ca3fd781294b94b893b70428d565a126f2896706a70ad6f2dd
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              memory/1944-583-0x000002A016550000-0x000002A016DE1000-memory.dmp

                              memory/1944-588-0x000002A016550000-0x000002A016DE1000-memory.dmp

                              memory/1944-577-0x000002A013BA0000-0x000002A0140BE000-memory.dmp

                              memory/1944-580-0x000002A016550000-0x000002A016DE1000-memory.dmp

                              memory/1944-582-0x00007FFE89DC0000-0x00007FFE89DC2000-memory.dmp

                              memory/1944-587-0x000002A016550000-0x000002A016DE1000-memory.dmp

                              memory/1944-576-0x00007FFE89DB0000-0x00007FFE89DB2000-memory.dmp

                              memory/1944-591-0x00007FFE89DB0000-0x00007FFE89DB2000-memory.dmp

                              memory/1944-590-0x000002A016550000-0x000002A016DE1000-memory.dmp

                              memory/1944-589-0x000002A016550000-0x000002A016DE1000-memory.dmp

                              memory/1944-592-0x000002A013BA0000-0x000002A0140BE000-memory.dmp

                              memory/3520-2-0x0000000004890000-0x000000000489C000-memory.dmp

                              memory/3520-1-0x0000000004880000-0x000000000488E000-memory.dmp

                              memory/3520-0-0x0000000004880000-0x000000000488E000-memory.dmp

                              memory/3520-504-0x00007FFE815C0000-0x00007FFE815D2000-memory.dmp

                              memory/3520-524-0x0000000004880000-0x000000000488E000-memory.dmp

                              memory/3520-525-0x00007FFE815C0000-0x00007FFE815D2000-memory.dmp

                              memory/4608-607-0x0000018CA3940000-0x0000018CA3962000-memory.dmp

                              memory/4608-612-0x0000018CA3990000-0x0000018CA39AE000-memory.dmp

                              memory/4608-613-0x0000018CA3C20000-0x0000018CA3CD2000-memory.dmp

                              memory/4608-614-0x0000018CA3980000-0x0000018CA398A000-memory.dmp

                              memory/4616-544-0x00000185A2280000-0x00000185A2B11000-memory.dmp

                              memory/4616-562-0x00000185A2C00000-0x00000185A2C8A000-memory.dmp

                              memory/4616-569-0x00000185A2280000-0x00000185A2B11000-memory.dmp

                              memory/4616-570-0x00000185A2280000-0x00000185A2B11000-memory.dmp

                              memory/4616-561-0x00000185A2C00000-0x00000185A2C8A000-memory.dmp

                              memory/4616-559-0x00000185A2C00000-0x00000185A2C8A000-memory.dmp

                              memory/4616-560-0x00000185A2C00000-0x00000185A2C8A000-memory.dmp

                              memory/4616-558-0x00000185A2B20000-0x00000185A2B6E000-memory.dmp

                              memory/4616-552-0x00000185A2280000-0x00000185A2B11000-memory.dmp

                              memory/4616-550-0x000001859FAA0000-0x000001859FFBE000-memory.dmp

                              memory/4616-547-0x00000185A2280000-0x00000185A2B11000-memory.dmp

                              memory/4616-546-0x00000185A2280000-0x00000185A2B11000-memory.dmp

                              memory/4616-545-0x00000185A2280000-0x00000185A2B11000-memory.dmp

                              memory/4616-567-0x00000185A2280000-0x00000185A2B11000-memory.dmp

                              memory/4616-541-0x00000185A2280000-0x00000185A2B11000-memory.dmp

                              memory/4616-539-0x00007FFE89DC0000-0x00007FFE89DC2000-memory.dmp

                              memory/4616-609-0x000001859FAA0000-0x000001859FFBE000-memory.dmp

                              memory/4616-537-0x00000185A2280000-0x00000185A2B11000-memory.dmp

                              memory/4616-532-0x000001859FAA0000-0x000001859FFBE000-memory.dmp

                              memory/4616-531-0x00007FFE89DB0000-0x00007FFE89DB2000-memory.dmp