Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'MSWUpdate' = '"%APPDATA%\spoolsv.exe"'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'MSWUpdate' = '"%APPDATA%\spoolsv.exe"'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe "%APPDATA%\spoolsv.exe"'
Malicious functions:
Creates and executes the following:
- %APPDATA%\spoolsv.exe
Executes the following:
- <SYSTEM32>\netsh.exe firewall add allowedprogram "%APPDATA%\spoolsv.exe" CityScape Enable
Modifies file system :
Creates the following files:
- %APPDATA%\spoolsv.exe
- %APPDATA%\MKTDEfcf
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\locate_my_ip[1]
Sets the 'hidden' attribute to the following files:
- %APPDATA%\spoolsv.exe
Deletes the following files:
- %APPDATA%\MKTDEfcf
Network activity:
Connects to:
- 'www.ma##ind.com':80
- 'localhost':1035
TCP:
HTTP GET requests:
- www.ma##ind.com/app/locate_my_ip
UDP:
- DNS ASK www.ma##ind.com
- '<Private IP address>':1036
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
- ClassName: '' WindowName: 'HB'
