Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'cofiec' = 'rundll32.exe "%APPDATA%\cofiec.dll",AddColumn'
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\id=BAA9AAEAq0QDAAEFCBcAAAAAAAAAAAAAAAAAAAAlDAYYCwAAABQ4Z_ThEQK_rLhwgiZvmW8AAFVVVVVVVVVVVVVVVVVVVVWhc84BSl5rV6tEAwBWVFFcXlNCWH9nd3RrZ3hqegYBAr6RIidhk71gAAA[1]
- %APPDATA%\cofiec.dll
Deletes itself.
Network activity:
Connects to:
- '11#####.##n37.hostingbestfiles.com':80
TCP:
HTTP GET requests:
- 11#####.##n37.hostingbestfiles.com/file/id=BAA9AAEAq0QDAAEFCBcAAAAAAAAAAAAAAAAAAAAlDAYYCwAAABQ4Z_ThEQK_rLhwgiZvmW8AAFVVVVVVVVVVVVVVVVVVVVWhc84BSl5rV6tEAwBWVFFcXlNCWH9nd3RrZ3hqegYBAr6RIidhk71gAAAAAAA0VgAA&rt=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
UDP:
- DNS ASK 11#####.##n37.hostingbestfiles.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: '' WindowName: '(null)'
