Analysis

  • max time kernel
    150s
  • 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
    01/09/2026, 23:58

General

  • Target
    install_q2.0.18.exe
  • Size 25.4MB
  • Sample260901-31ayqadj5x
  • SHA256 27267f8a0a940d4553e2e5143576a1ab081e762863769ce6bc3c7e61814c68e7
  • 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
  • Drops file in Program Files directory 2 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\install_q2.0.18.exe
    "C:\Users\Admin\AppData\Local\Temp\install_q2.0.18.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:4896
  • C:\Users\Public\YKkSMN\uJMZbz.exe
    "C:\Users\Public\YKkSMN\uJMZbz.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:4560
    • 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:572
    • 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\YKkSMN\" /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:4464
      • 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\YKkSMN\" /t REG_DWORD /d 0 /f"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4188
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Run /TN "Task1"
        3⤵
          PID:1988
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Delete /TN "Task1" /F
          3⤵
            PID:1412
        • 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:6516
          • 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:6256
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Run /TN "Task1"
            3⤵
              PID:1268
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Delete /TN "Task1" /F
              3⤵
                PID:1200
            • 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:3056
              • 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:5616
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Run /TN "Task1"
                3⤵
                  PID:4740
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Delete /TN "Task1" /F
                  3⤵
                    PID:3712
                • 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:1036
                  • 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:1120
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Run /TN "Task1"
                    3⤵
                      PID:6652
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Delete /TN "Task1" /F
                      3⤵
                        PID:4992
                    • 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:1440
                      • 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:5240
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Run /TN "Task1"
                        3⤵
                          PID:4316
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Delete /TN "Task1" /F
                          3⤵
                            PID:3104
                      • C:\Users\Public\YKkSMN\uJMZbz.exe
                        "C:\Users\Public\YKkSMN\uJMZbz.exe"
                        1⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        PID:5324
                      • C:\Windows\system32\cmd.exe
                        cmd.exe
                        1⤵
                          PID:6480
                        • C:\Windows\system32\cmd.exe
                          "cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\YKkSMN" /t REG_DWORD /d 0 /f
                          1⤵
                          • Executes a command shell one-liner
                          • Suspicious use of WriteProcessMemory
                          PID:1204
                          • C:\Windows\System32\reg.exe
                            reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\YKkSMN" /t REG_DWORD /d 0 /f
                            2⤵
                            • Windows security bypass
                            PID:6520
                        • 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:4988
                          • 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:6348

                        Network

                              MITRE ATT&CK Enterprise v16

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              1BA79029EC3FFD076F5DAC2F70A18685

                              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\1BA79029EC3FFD076F5DAC2F70A18685
                              • Size 1KB
                              • SHA256 6f7bfa4789bd506ccf81640feec036bac7c0354084ca472f55a79ce53b9c3ade
                              • MD5 SHA1 SHA512 TLSH

                              1BA79029EC3FFD076F5DAC2F70A18685

                              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\1BA79029EC3FFD076F5DAC2F70A18685
                              • Size 186B
                              • SHA256 d779edb266e99921022735b4307e8064c412ea7ad657edb3eb53d220d4a6610f
                              • MD5 SHA1 SHA512 TLSH

                              UxEnhance64.dll

                              • Path C:\Users\Public\YKkSMN\UxEnhance64.dll
                              • Size 3.1MB
                              • SHA256 176bc8cd31d04780c34b336346f2a4a344629179c0eb67897af861c9570282c0
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              adoresd.dat

                              • Path C:\Users\Public\YKkSMN\adoresd.dat
                              • Size 4.7MB
                              • SHA256 5c8465ab4751e02c502b26212caf53c2219cfc6e9b5c4a4e38023c61c541a57c
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              msadox.tb

                              • Path C:\Users\Public\YKkSMN\msadox.tb
                              • Size 8KB
                              • SHA256 8528be2693acc8cf58c61c5777b4292426c1d7e95c54d584ddebd61306201f13
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              uJMZbz.exe

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

                              memory/572-598-0x000001D744100000-0x000001D74410A000-memory.dmp

                              memory/572-597-0x000001D75C710000-0x000001D75C7C2000-memory.dmp

                              memory/572-596-0x000001D744110000-0x000001D74412E000-memory.dmp

                              memory/572-593-0x000001D7440C0000-0x000001D7440E2000-memory.dmp

                              memory/4560-558-0x0000011D9A670000-0x0000011D9A6BE000-memory.dmp

                              memory/4560-568-0x0000011D9B1C0000-0x0000011D9BA47000-memory.dmp

                              memory/4560-538-0x0000011D9B1C0000-0x0000011D9BA47000-memory.dmp

                              memory/4560-540-0x00007FF973480000-0x00007FF973482000-memory.dmp

                              memory/4560-541-0x0000011D9B1C0000-0x0000011D9BA47000-memory.dmp

                              memory/4560-546-0x0000011D9B1C0000-0x0000011D9BA47000-memory.dmp

                              memory/4560-545-0x0000011D9B1C0000-0x0000011D9BA47000-memory.dmp

                              memory/4560-547-0x0000011D9B1C0000-0x0000011D9BA47000-memory.dmp

                              memory/4560-548-0x0000011D9B1C0000-0x0000011D9BA47000-memory.dmp

                              memory/4560-552-0x0000011D9B1C0000-0x0000011D9BA47000-memory.dmp

                              memory/4560-532-0x00007FF973470000-0x00007FF973472000-memory.dmp

                              memory/4560-563-0x0000011D9BA50000-0x0000011D9BADA000-memory.dmp

                              memory/4560-562-0x0000011D9BA50000-0x0000011D9BADA000-memory.dmp

                              memory/4560-561-0x0000011D9BA50000-0x0000011D9BADA000-memory.dmp

                              memory/4560-560-0x0000011D9BA50000-0x0000011D9BADA000-memory.dmp

                              memory/4560-565-0x0000011D9B1C0000-0x0000011D9BA47000-memory.dmp

                              memory/4560-567-0x0000011D9B1C0000-0x0000011D9BA47000-memory.dmp

                              memory/4560-533-0x00007FF950840000-0x00007FF950D5E000-memory.dmp

                              memory/4896-0-0x00000000004C0000-0x00000000004CE000-memory.dmp

                              memory/4896-1-0x00000000004C0000-0x00000000004CE000-memory.dmp

                              memory/4896-2-0x0000000002050000-0x000000000205C000-memory.dmp

                              memory/4896-504-0x00007FF96ACC0000-0x00007FF96ACD2000-memory.dmp

                              memory/4896-526-0x00000000004C0000-0x00000000004CE000-memory.dmp

                              memory/4896-527-0x00007FF96ACC0000-0x00007FF96ACD2000-memory.dmp

                              memory/5324-580-0x00007FF973480000-0x00007FF973482000-memory.dmp

                              memory/5324-589-0x00007FF973470000-0x00007FF973472000-memory.dmp

                              memory/5324-588-0x00000266154C0000-0x0000026615D47000-memory.dmp

                              memory/5324-587-0x00000266154C0000-0x0000026615D47000-memory.dmp

                              memory/5324-586-0x00000266154C0000-0x0000026615D47000-memory.dmp

                              memory/5324-585-0x00000266154C0000-0x0000026615D47000-memory.dmp

                              memory/5324-575-0x00007FF950840000-0x00007FF950D5E000-memory.dmp

                              memory/5324-581-0x00000266154C0000-0x0000026615D47000-memory.dmp

                              memory/5324-578-0x00000266154C0000-0x0000026615D47000-memory.dmp