Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Windows ALT Services' = 'C:\RECYCLER\S-4-9-26-2352989711-2928649047-999929145-0098\svchost.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\WINDOWS\23084235285729365928659826598235235\autorun.exe
- <Drive name for removable media>:\WINDOWS\23084235285729365928659826598235235\Desktop.ini
Malicious functions:
Creates and executes the following:
- C:\RECYCLER\S-4-9-26-2352989711-2928649047-999929145-0098\svchost.exe
Modifies file system :
Creates the following files:
- C:\RECYCLER\S-4-9-26-2352989711-2928649047-999929145-0098\debug.css
- C:\RECYCLER\S-4-9-26-2352989711-2928649047-999929145-0098\svchost.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\WINDOWS\23084235285729365928659826598235235\autorun.exe
- C:\RECYCLER\S-4-9-26-2352989711-2928649047-999929145-0098\debug.css
Deletes the following files:
- C:\RECYCLER\S-4-9-26-2352989711-2928649047-999929145-0098\debug.css
Network activity:
Connects to:
- 'bo#####ght.zapto.org':83
UDP:
- DNS ASK bo#####ght.zapto.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''