Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'winlog.exe' = '%APPDATA%\Microsoft\winlog.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\winlog.exe
Malicious functions:
Creates and executes the following:
- %APPDATA%\Microsoft\winlog.exe
- %APPDATA%\Server.exe
- %APPDATA%\7za.exe "x" "-y" "%APPDATA%\Server.7z" "-pSaltyDave"
Modifies file system :
Creates the following files:
- <Current directory>\server.exe
- %APPDATA%\Microsoft\winlog.exe
- %APPDATA%\7za.exe
- %APPDATA%\Server.txt
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\winlog.exe
- %APPDATA%\Microsoft\winlog.exe
Deletes the following files:
- %APPDATA%\Server.7z
- %APPDATA%\Microsoft\winlog.exe
- %APPDATA%\7za.exe
- %APPDATA%\Server.exe
Network activity:
Connects to:
- 'ub#####66box.no-ip.org':3080
UDP:
- DNS ASK ub#####66box.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
