Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Google Chrome' = '<Full path to file>'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Server.exe' = '<Full path to file>'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\Google Chrome.exe
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf.lnk
- <Drive name for removable media>:\Umbrella.flv.exe.lnk
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\73769923.exe
- <Drive name for removable media>:\Umbrella.flv.exe
Malicious functions:
Executes the following:
- '<SYSTEM32>\schtasks.exe' /create /sc minute /mo 1 /tn asfasfas /tr C:\sdasfasfas.exe
Modifies file system:
Creates the following files:
- C:\autorun.inf
- C:\Umbrella.flv.exe
- C:\sdasfasfas.exe
Sets the 'hidden' attribute to the following files:
- C:\Umbrella.flv.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Umbrella.flv.exe
- C:\sdasfasfas.exe
- <Drive name for removable media>:\73769923.exe
- C:\autorun.inf
Deletes the following files:
- <Drive name for removable media>:\Umbrella.flv.exe.lnk
- <Drive name for removable media>:\autorun.inf.lnk
Substitutes the following files:
- <Drive name for removable media>:\Umbrella.flv.exe.lnk
- <Drive name for removable media>:\autorun.inf.lnk
Network activity:
Connects to:
- 'bo####.publicvm.com':1080
UDP:
- DNS ASK bo####.publicvm.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_traywnd' WindowName: ''
