Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'service' = '%WINDIR%\TEMP\svchost.exe'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%WINDIR%\\TEMP\\svchost.exe' = '%WINDIR%\\TEMP\\svchost.exe:*:Enabled:service'
Executes the following:
- <SYSTEM32>\net1.exe stop MpsSvc
- <SYSTEM32>\rasdial.exe service bimbi bimbi /phone:MZђ
- <SYSTEM32>\net1.exe stop SharedAccess
- <SYSTEM32>\net.exe stop SharedAccess
- <SYSTEM32>\net.exe stop MpsSvc
Modifies file system :
Creates the following files:
- C:\log.txt
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\list[1].php
- %WINDIR%\Temp\svchost.exe
Deletes the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\list[1].php
Network activity:
Connects to:
- 'pa####esoftware.net':80
TCP:
HTTP GET requests:
- pa####esoftware.net/as/list.php?ac#################################
- pa####esoftware.net/as/list.php?ac######################################################################
UDP:
- DNS ASK pa####esoftware.net