Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'svsc' = '%TEMP%\svsc\svsc.exe'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\svsc.exe' = '%TEMP%\svsc.exe:*:Enabled:svsc.exe'
Creates and executes the following:
- '%TEMP%\svsc.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\svsc.exe" "svsc.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\New Wordpad Document.rtf
- %TEMP%\svsc\svsc.exe
- %TEMP%\aut2.tmp
- %TEMP%\aut1.tmp
- %TEMP%\svsc.exe
Deletes the following files:
- %TEMP%\aut2.tmp
- %TEMP%\aut1.tmp
Network activity:
Connects to:
- 'ne###.publicvm.com':1604
UDP:
- DNS ASK ne###.publicvm.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'WordPadClass' WindowName: '(null)'
