Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Intel Display Controller' = '<SYSTEM32>\igfxdk32.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\am48.lnk
- <Drive name for removable media>:\am47.lnk
- <Drive name for removable media>:\Autorun.inf
- <Drive name for removable media>:\Core.{645FF040-5081-101B-9F08-00AA002F954E}\core-drv93406.sys
- <Drive name for removable media>:\l.cpl
- <Drive name for removable media>:\pdrvmgr.exe
- <Drive name for removable media>:\am46.lnk
- <Drive name for removable media>:\am45.lnk
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List] '<SYSTEM32>\igfxdk32.exe' = '<SYSTEM32>\igfxdk32.exe:*:Enabled:Intel Display Controller'
- [<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\igfxdk32.exe' = '<SYSTEM32>\igfxdk32.exe:*:Enabled:Intel Display Controller'
Creates and executes the following:
- <SYSTEM32>\igfxdk32.exe <Full path to virus>
Injects code into
the following system processes:
- %WINDIR%\Explorer.EXE
Searches for windows to
detect analytical utilities:
- ClassName: 'PROCMON_WINDOW_CLASS' WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
detect programs and games:
- ClassName: 'gdkWindowToplevel' WindowName: 'The Wireshark Network Analyzer'
Hides the following processes:
- <Full path to virus>
- <SYSTEM32>\igfxdk32.exe
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\5x2[1].zip
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\5x2[1].zip
- <SYSTEM32>\igfxdk32.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\l.cpl
- <SYSTEM32>\igfxdk32.exe
Deletes the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\5x2[1].zip
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\5x2[1].zip
Deletes itself.
Network activity:
Connects to:
- 's2#.##telcore.su':4502
- 's4#.##telcore.su':6303
- '14#.#48.35.28':80
- 's7#.##telprog.su':4502
- 'vp####.#ntelbackupsrv.su':80
- 's3#.##telcore.su':3654
TCP:
HTTP GET requests:
- 14#.#48.35.28/awstats/rdat02.txt
- vp####.#ntelbackupsrv.su/net/5x2.zip
UDP:
- DNS ASK s4#.##telcore.su
- DNS ASK s3#.##telcore.su
- DNS ASK s2#.##telcore.su
- DNS ASK s7#.##telprog.su
- DNS ASK vp####.#ntelbackupsrv.su
- '<Private IP address>':1039
- '<Private IP address>':1038
Miscellaneous:
Searches for the following windows:
- ClassName: 'TCPViewClass' WindowName: ''
- ClassName: '#32770' WindowName: 'Regshot 1.8.2'
- ClassName: 'PROCEXPL' WindowName: ''
- ClassName: 'CNetmonMainFrame' WindowName: 'Microsoft Network Monitor 3.3'
- ClassName: 'SmartSniff' WindowName: 'SmartSniff'
- ClassName: 'CurrPorts' WindowName: 'CurrPorts'