Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\wup] 'Start' = '00000002'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%WINDIR%\wuc.exe' = '%WINDIR%\wuc.exe:*:Enabled:hp svc'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%WINDIR%\wup.exe' = '%WINDIR%\wup.exe:*:Enabled:hp svc'
Creates and executes the following:
- '%WINDIR%\wup.exe'
Executes the following:
- '<SYSTEM32>\net1.exe' start wup
- '<SYSTEM32>\sc.exe' create wup binPath= "%WINDIR%\wup.exe" DisplayName= "wup" start= auto
Modifies file system :
Creates the following files:
- %WINDIR%\wget.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\wget[1].exe
- %WINDIR%\Temp\ban.ini
- C:\Documents and Settings\LocalService\Local Settings\Temporary Internet Files\Content.IE5\CJCTQ25G\ban[1].ini
- %WINDIR%\plink.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\ncat[1].exe
- %WINDIR%\wup.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\plink[1].exe
- %WINDIR%\wuc.exe
Deletes the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\ncat[1].exe
Network activity:
Connects to:
- 'localhost':1041
- 'pl###.#ltervista.org':80
- 'localhost':1036
TCP:
HTTP GET requests:
- pl###.#ltervista.org/svc/wup.php?pc#########
- pl###.#ltervista.org/svc/ban.ini
- pl###.#ltervista.org/svc/wget.exe
- pl###.#ltervista.org/svc/ncat.exe
- pl###.#ltervista.org/svc/plink.exe
UDP:
- DNS ASK pl###.#ltervista.org