Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'UserLogon.exe'
Malicious functions:
Creates and executes the following:
- 'C:\86586860\5380771.exe'
- 'C:\86586860\792549.exe'
- 'C:\86586860\5380771.exe' (downloaded from the Internet)
- 'C:\86586860\792549.exe' (downloaded from the Internet)
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\YPORKZYZ\gerente[1].exe
- C:\86586860\aples.exe
- %WINDIR%\UserLogon.exe
- C:\86586860\5380771.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\aples[1].exe
- C:\UserLogon.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\Explorer[1].exe
- C:\86586860\792549.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\service[1].exe
Network activity:
Connects to:
- 'in########5.dominiotemporario.com':80
- 'localhost':1037
- '<Private IP address>':445
TCP:
HTTP GET requests:
- in########5.dominiotemporario.com/06-03/Xp/aples.exe
- in########5.dominiotemporario.com/06-03/Xp/gerente.exe
- in########5.dominiotemporario.com/Explorer.exe
- in########5.dominiotemporario.com/06-03/Xp/service.exe
UDP:
- DNS ASK in########5.dominiotemporario.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_WINHELP' WindowName: '(null)'
