Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/08/2026, 10:34

General

  • Target
    腾龙自助接码电脑端v1.2.3.exe
  • Size 3.9MB
  • Sample260810-mmbebsfe63
  • SHA256 d9017fb9a03e7cb7eda1df21922d37e693c6d7a8261bd9757d19171778d7a2c7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 32 IoCs
  • Modifies Windows Defender TamperProtection settings 3 TTPs 2 IoCs
  • Modifies Windows Defender notification settings 3 TTPs 6 IoCs
  • Modifies firewall policy service 3 TTPs 1 IoCs
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 4 IoCs
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Boot or Logon Autostart Execution: LSASS Driver 2 TTPs 2 IoCs

    Adversaries may modify or add LSASS drivers to obtain persistence on compromised systems.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Windows security modification 2 TTPs 8 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • 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.

  • Modifies data under HKEY_USERS 19 IoCs
  • Modifies registry class 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\腾龙自助接码电脑端v1.2.3.exe
    "C:\Users\Admin\AppData\Local\Temp\腾龙自助接码电脑端v1.2.3.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4568
    • C:\Users\Admin\AppData\Local\Temp\腾龙自助接码电脑端v1.2.3.exe
      "C:\Users\Admin\AppData\Local\Temp\腾龙自助接码电脑端v1.2.3.exe"
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Modifies Windows Defender TamperProtection settings
      • Modifies Windows Defender notification settings
      • Modifies firewall policy service
      • UAC bypass
      • Windows security bypass
      • Server Software Component: Terminal Services DLL
      • Boot or Logon Autostart Execution: LSASS Driver
      • Loads dropped DLL
      • Windows security modification
      • Checks whether UAC is enabled
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:4576
      • C:\Windows\SYSTEM32\cmd.exe
        cmd.exe /c "gpupdate /force"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:6128
        • C:\Windows\system32\gpupdate.exe
          gpupdate /force
          4⤵
            PID:5316
        • C:\Windows\SYSTEM32\cmd.exe
          cmd.exe /c "gpupdate /force"
          3⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:5784
          • C:\Windows\system32\gpupdate.exe
            gpupdate /force
            4⤵
              PID:4600
      • C:\Users\Admin\AppData\Local\Temp\drv_BootRepair.sys
        C:\Users\Admin\AppData\Local\Temp\drv_BootRepair.sys
        1⤵
        • Executes dropped EXE
        PID:3432
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k KillService -s KillService
        1⤵
        • Modifies Windows Defender Real-time Protection settings
        • Modifies Windows Defender TamperProtection settings
        • Modifies Windows Defender notification settings
        • Windows security bypass
        • Boot or Logon Autostart Execution: LSASS Driver
        • Loads dropped DLL
        • Modifies data under HKEY_USERS
        • Suspicious use of WriteProcessMemory
        PID:5668
        • C:\Windows\system32\conhost.exe
          "C:\Windows\system32\conhost.exe"
          2⤵
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:904
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe
            3⤵
              PID:5340
          • C:\Windows\system32\cmd.exe
            cmd.exe /c "gpupdate /force"
            2⤵
            • Executes a command shell one-liner
            • Suspicious use of WriteProcessMemory
            PID:5652
            • C:\Windows\system32\gpupdate.exe
              gpupdate /force
              3⤵
                PID:4436
          • C:\Windows\TEMP\drv_BootRepair.sys
            C:\Windows\TEMP\drv_BootRepair.sys
            1⤵
            • Executes dropped EXE
            PID:3936

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                Svchost.dll

                • Path C:\ProgramData\OpenraVPN\Svchost.dll
                • Size 1009KB
                • SHA256 e46781237e87a1f34439b7a43c66851861a5ace05f1605447462dc00b2d42825
                • MD5 SHA1 SHA512 SSDEEP TLSH

                drv_BootRepair.sys

                • Path C:\Users\Admin\AppData\Local\Temp\drv_BootRepair.sys
                • Size 29KB
                • SHA256 5ab36c116767eaae53a466fbc2dae7cfd608ed77721f65e83312037fbd57c946
                • MD5 SHA1 SHA512 SSDEEP TLSH

                memory/904-12-0x0000018AA5730000-0x0000018AA5731000-memory.dmp