Technical Information
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
Executes the following:
- '<SYSTEM32>\net1.exe' stop alg
- '<SYSTEM32>\netsh.exe' firewall set opmode disable
- '<SYSTEM32>\net.exe' stop alg
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\so.ebar520[1]
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\shtm1.blog.163[1]
Network activity:
Connects to:
- 'so.##ar520.com':80
- 'sh###.blog.163.com':80
- 'localhost':1037
TCP:
HTTP GET requests:
- so.##ar520.com/
- sh###.blog.163.com/
UDP:
- DNS ASK so.##ar520.com
- DNS ASK sh###.blog.163.com
