Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'b6a4bce27be561b1d4fc2ee37a0e7d85' = '"%APPDATA%\svchosts.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'b6a4bce27be561b1d4fc2ee37a0e7d85' = '"%APPDATA%\svchosts.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\b6a4bce27be561b1d4fc2ee37a0e7d85.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\svchosts.exe' = '%APPDATA%\svchosts.exe:*:Enabled:svchosts.exe'
Creates and executes the following:
- '%APPDATA%\svchosts.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\svchosts.exe" "svchosts.exe" ENABLE
Modifies file system :
Creates the following files:
- %APPDATA%\svchosts.exe
Deletes the following files:
- <SYSTEM32>\PerfStringBackup.TMP
Network activity:
Connects to:
- 'ta####.sytes.net':277
UDP:
- DNS ASK ta####.sytes.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
