Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000002] 'PackedCatalogItem' = ''
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000003] 'PackedCatalogItem' = ''
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000004] 'PackedCatalogItem' = ''
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\NameSpace_Catalog5\Catalog_Entries\000000000001] 'LibraryPath' = 'mswsock.dll'
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\NameSpace_Catalog5\Catalog_Entries\000000000003] 'LibraryPath' = 'mswsock.dll'
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000001] 'PackedCatalogItem' = ''
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000005] 'PackedCatalogItem' = ''
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000009] 'PackedCatalogItem' = ''
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000010] 'PackedCatalogItem' = ''
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000011] 'PackedCatalogItem' = ''
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000006] 'PackedCatalogItem' = ''
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000007] 'PackedCatalogItem' = ''
- [<HKLM>\SYSTEM\ControlSet001\Services\WinSock2\Parameters\Protocol_Catalog9\Catalog_Entries\000000000008] 'PackedCatalogItem' = ''
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\.afd] 'ImagePath' = '\?'
Malicious functions:
Injects code into
the following system processes:
- <SYSTEM32>\winlogon.exe
- %WINDIR%\Explorer.EXE
Modifies file system :
Creates the following files:
- %WINDIR%\$NtUninstallKB27979$\4121336045\@
- %WINDIR%\$NtUninstallKB27979$\4121336045\cfg.ini
- %WINDIR%\$NtUninstallKB27979$\4121336045\Desktop.ini
- %WINDIR%\$NtUninstallKB27979$\4121336045\L\alehhooo
Deletes itself.
Network activity:
Connects to:
- 'pr####.fling.com':80
TCP:
HTTP GET requests:
- pr####.fling.com/geo/txt/city.php
UDP:
- DNS ASK pr####.fling.com
- 'localhost':752
- '8.#.8.8':1036