Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '839caceb8272c12fadab95b26501c062' = '"%HOMEPATH%\sv5al.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '839caceb8272c12fadab95b26501c062' = '"%HOMEPATH%\sv5al.exe" ..'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%HOMEPATH%\sv5al.exe' = '%HOMEPATH%\sv5al.exe:*:Enabled:sv5al.exe'
Creates and executes the following:
- '%HOMEPATH%\sv5al.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%HOMEPATH%\sv5al.exe" "sv5al.exe" ENABLE
Modifies file system :
Creates the following files:
- %HOMEPATH%\sv5al.exe
Network activity:
Connects to:
- 'fu###.no-ip.biz':1177
UDP:
- DNS ASK fu###.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
