Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '354b7700a61c0f043a751cf9b0fb3d8d' = '"%TEMP%\sytin.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '354b7700a61c0f043a751cf9b0fb3d8d' = '"%TEMP%\sytin.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\354b7700a61c0f043a751cf9b0fb3d8d.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\sytin.exe' = '%TEMP%\sytin.exe:*:Enabled:sytin.exe'
Creates and executes the following:
- '%TEMP%\sytin.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\sytin.exe" "sytin.exe" ENABLE
Modifies file system :
Creates the following files:
- %TEMP%\sytin.exe
Network activity:
Connects to:
- 'sy####350.no-ip.biz':82
UDP:
- DNS ASK sy####350.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
