Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'e41645708d648fc969576fdb32d86491' = '"%APPDATA%\cvhost.exe" ..'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'e41645708d648fc969576fdb32d86491' = '"%APPDATA%\cvhost.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '18.exe' = '%APPDATA%Microsoft\System\Services\18.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '18.exe' = '%APPDATA%Microsoft\System\Services\18.exe'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\e41645708d648fc969576fdb32d86491.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\cvhost.exe' = '%APPDATA%\cvhost.exe:*:Enabled:cvhost.exe'
Creates and executes the following:
- '%APPDATA%\cvhost.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\cvhost.exe" "cvhost.exe" ENABLE
Modifies file system :
Creates the following files:
- %APPDATA%\cvhost.exe
- %APPDATA%Microsoft\System\Services\18.exe
Network activity:
Connects to:
- 'xx######rd56xx.no-ip.org':1669
UDP:
- DNS ASK xx######rd56xx.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
