Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'c6029fc868663f03563837fdcd51960d' = '"%HOMEPATH%\GoogleDns.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'c6029fc868663f03563837fdcd51960d' = '"%HOMEPATH%\GoogleDns.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\c6029fc868663f03563837fdcd51960d.exe
Creates the following files on removable media:
- <Drive name for removable media>:\c6029fc868663f03563837fdcd51960d.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%HOMEPATH%\GoogleDns.exe' = '%HOMEPATH%\GoogleDns.exe:*:Enabled:GoogleDns.exe'
Creates and executes the following:
- '%HOMEPATH%\GoogleDns.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%HOMEPATH%\GoogleDns.exe" "GoogleDns.exe" ENABLE
Modifies file system :
Creates the following files:
- %HOMEPATH%\GoogleDns.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\c6029fc868663f03563837fdcd51960d.exe
Network activity:
Connects to:
- 'go#####ns.serveblog.net':35137
UDP:
- DNS ASK go#####ns.serveblog.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'