Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '8YY173E92N4LNE2707T6BM4KK' = '%TEMP%\404.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'wOrm.exe' = '%TEMP%\404.exe'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\8YY173E92N4LNE2707T6BM4KK.exe
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf.lnk
- <Drive name for removable media>:\Windows Media Player.exe.lnk
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Umbrella.flv.exe
- <Drive name for removable media>:\Windows Media Player.exe
Malicious functions:
Creates and executes the following:
- '%TEMP%\404.exe'
Modifies file system :
Creates the following files:
- C:\autorun.inf
- %WINDIR% Media Player.exe
- %TEMP%\404.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Windows Media Player.exe
- %WINDIR% Media Player.exe
- <Drive name for removable media>:\Umbrella.flv.exe
- C:\autorun.inf
Deletes the following files:
- <Drive name for removable media>:\Windows Media Player.exe.lnk
- <Drive name for removable media>:\autorun.inf.lnk
Network activity:
Connects to:
- 'ca#####tin.no-ip.info':81
UDP:
- DNS ASK ca#####tin.no-ip.info
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'