Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '75e578f451cba7f9fc549f918829b148' = '"%TEMP%\FB.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '75e578f451cba7f9fc549f918829b148' = '"%TEMP%\FB.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\75e578f451cba7f9fc549f918829b148.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\FB.exe' = '%TEMP%\FB.exe:*:Enabled:FB.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\FB.exe" "FB.exe" ENABLE
Modifies file system:
Creates the following files:
- %TEMP%\FB.exe
Sets the 'hidden' attribute to the following files:
- %TEMP%\FB.exe
- <Full path to file>
Network activity:
Connects to:
- 'ha####n304.ddns.net':5552
UDP:
- DNS ASK ha####n304.ddns.net
Miscellaneous:
Creates and executes the following:
- '%TEMP%\FB.exe'
