Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '7cdac63c571e7898933104cd4d49f1ea' = '"%HOMEPATH%\Léo.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '7cdac63c571e7898933104cd4d49f1ea' = '"%HOMEPATH%\Léo.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\7cdac63c571e7898933104cd4d49f1ea.exe
Creates the following files on removable media:
- <Drive name for removable media>:\7cdac63c571e7898933104cd4d49f1ea.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%HOMEPATH%\Leo.exe' = '%HOMEPATH%\Léo.exe:*:Enabled:Léo.exe'
Creates and executes the following:
- '%HOMEPATH%\Leo.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%HOMEPATH%\Leo.exe" "Leo.exe" ENABLE
Modifies file system :
Creates the following files:
- %HOMEPATH%\Leo.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\7cdac63c571e7898933104cd4d49f1ea.exe
Network activity:
Connects to:
- 'le######s-south.no-ip.org':80
UDP:
- DNS ASK le######s-south.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
