Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'systenn.exe' = '%WINDIR%\systenn.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'systenn.exe' = '%WINDIR%\systenn.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\cold\hott\systenn.exe
- <Drive name for removable media>:\cold\hott\Desktop.ini
Malicious functions:
Creates and executes the following:
- %WINDIR%\systenn.exe
Modifies file system :
Creates the following files:
- %WINDIR%\systenn.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\cold\hott\systenn.exe
- %WINDIR%\systenn.exe
Network activity:
Connects to:
- 'sc#.###netzprovider.net':6667
UDP:
- DNS ASK sc#.###netzprovider.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'RegEdit_RegEdit' WindowName: ''
- ClassName: 'SysListView32' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
- ClassName: '#32770' WindowName: ''