Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '17fb0483304d3498f6d92850cab98dd2' = '"%HOMEPATH%\_Skype.exe" ..'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '17fb0483304d3498f6d92850cab98dd2' = '"%HOMEPATH%\_Skype.exe" ..'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\17fb0483304d3498f6d92850cab98dd2.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%HOMEPATH%\_Skype.exe' = '%HOMEPATH%\_Skype.exe:*:Enabled:_Skype.exe'
Creates and executes the following:
- '%HOMEPATH%\_Skype.exe'
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%HOMEPATH%\_Skype.exe" "_Skype.exe" ENABLE
Modifies file system :
Creates the following files:
- %HOMEPATH%\_Skype.exe
Network activity:
Connects to:
- 'ch####.no-ip.org':81
UDP:
- DNS ASK ch####.no-ip.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
