Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\fsvgaa] 'ImagePath' = 'System32\drivers\fsvgaa.sys'
- [<HKLM>\SYSTEM\ControlSet001\Services\fsvgaa] 'Start' = '00000001'
Malicious functions:
Hooks the following functions in System Service Descriptor Table (SSDT):
- NtQueryValueKey, handler: unknown
- NtOpenKey, handler: unknown
- NtReplaceKey, handler: unknown
- NtSetValueKey, handler: unknown
- NtRestoreKey, handler: unknown
- NtCreateKey, handler: unknown
- NtClose, handler: unknown
- NtDeleteKey, handler: unknown
- NtLoadKey, handler: unknown
- NtDeleteValueKey, handler: unknown
Modifies file system :
Creates the following files:
- <DRIVERS>\core.cache.dsk
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\bootup.exe[1].xml
- %TEMP%\tni1.tmp
- <DRIVERS>\fsvgaa.sys
Deletes the following files:
- %TEMP%\tni1.tmp
Network activity:
Connects to:
- 'www.in####-r-n-e-t.com':80
TCP:
HTTP GET requests:
- www.in####-r-n-e-t.com/bootup.exe.xml
UDP:
- DNS ASK www.in####-r-n-e-t.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
