Technical Information
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\ULA7U9R4EU.exe' = '%APPDATA%\ULA7U9R4EU.exe:*:Enabled:Windows Messanger'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe' = '%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe:*:Enabled:Windows Messanger'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
Executes the following:
- <SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /t REG_SZ /d "%WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe:*:Enabled:Windows Messanger" /f
- <SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "%APPDATA%\ULA7U9R4EU.exe" /t REG_SZ /d "%APPDATA%\ULA7U9R4EU.exe:*:Enabled:Windows Messanger" /f
- %WINDIR%\Microsoft.NET\Framework\v2.0.50727\vbc.exe
- <SYSTEM32>\reg.exe ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
Modifies file system :
Creates the following files:
- %APPDATA%\Keylogger
- %APPDATA%\ULA7U9R4EU.exe
Network activity:
Connects to:
- '2h####.no-ip.biz':3080
- '1h####.no-ip.biz':3080
- 'ha###.no-ip.biz':3080
UDP:
- DNS ASK 2h####.no-ip.biz
- DNS ASK 1h####.no-ip.biz
- DNS ASK ha###.no-ip.biz
