Technical Information
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\QvodSetupPlus3.0.exe' = '%TEMP%\QvodSetupPlus3.0.exe:*:Enabled:QVOD'
Creates and executes the following:
- %TEMP%\27.exe
- %TEMP%\QvodSetupPlus3.0.exe
Executes the following:
- <SYSTEM32>\taskkill.exe /im ekrn.exe /f
- <SYSTEM32>\taskkill.exe /im ScanFrm.exe /f
- <SYSTEM32>\taskkill.exe /im egui.exe /f
- <SYSTEM32>\cacls.exe %WINDIR% /e /p everyone:f
- <SYSTEM32>\cacls.exe "%TEMP%\" /e /p everyone:f
- <SYSTEM32>\sc.exe config ekrn start= disabled
Terminates or attempts to terminate
the following user processes:
- ekrn.exe
Modifies file system :
Creates the following files:
- <SYSTEM32>\func.dll
- %TEMP%\27.exe
- %TEMP%\QvodSetupPlus3.0.exe
Network activity:
Connects to:
- 'ag###.qvod.com':80
- 'up###e.qvod.com':80
TCP:
HTTP GET requests:
- up###e.qvod.com/qd.jpg
UDP:
- DNS ASK st####.sipphone.com
- DNS ASK ag###.qvod.com
- DNS ASK st##.qvod.com
- DNS ASK up###e.qvod.com
- DNS ASK tr###.qvod.com
- 'tr###.qvod.com':80
- '23#.#55.255.250':1900
- 'st##.qvod.com':3478
- 'st####.sipphone.com':3478
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
