Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'c15195d9c71c3c1f72c2f39faf4c4efb' = '"%APPDATA%\svchost.exe" ..'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'c15195d9c71c3c1f72c2f39faf4c4efb' = '"%APPDATA%\svchost.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Chrome' = '<Full path to virus>'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Chrome' = '%APPDATA%\svchost.exe'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\c15195d9c71c3c1f72c2f39faf4c4efb.exe
- %HOMEPATH%\Start Menu\Programs\Startup\Chrome.exe
Creates the following files on removable media:
- <Drive name for removable media>:\Chrome.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\svchost.exe' = '%APPDATA%\svchost.exe:*:Enabled:svchost.exe'
Creates and executes the following:
- '%APPDATA%\svchost.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\svchost.exe" "svchost.exe" ENABLE
Modifies file system :
Creates the following files:
- %APPDATA%\svchost.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\Chrome.exe
Network activity:
Connects to:
- 'ti#####sil.zapto.org':5050
UDP:
- DNS ASK ti#####sil.zapto.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
