Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Microsoft Windows System' = '%HOMEPATH%\P-7-78-8964-9648-3874\wincrs.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\wincsa.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%HOMEPATH%\P-7-78-8964-9648-3874\wincrs.exe' = '%HOMEPATH%\P-7-78-8964-9648-3874\wincrs.exe:*:Enabled:Microsoft Windows System'
Creates and executes the following:
- %HOMEPATH%\P-7-78-8964-9648-3874\wincrs.exe
Modifies file system :
Creates the following files:
- %HOMEPATH%\P-7-78-8964-9648-3874\wincrs.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\wincsa.exe
- %HOMEPATH%\P-7-78-8964-9648-3874\wincrs.exe
Network activity:
Connects to:
- 'ph#.##afficnum.net':2345
UDP:
- DNS ASK ph#.##afficnum.net
- '<Private IP address>':1037
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''