Technical Information
Malicious functions:
Searches for windows to
detect analytical utilities:
- ClassName: 'Filemonclass' WindowName: '(null)'
- ClassName: 'Regmonclass' WindowName: '(null)'
Hooks the following functions in System Service Descriptor Table (SSDT):
- NtDeviceIoControlFile, handler: unknown
- NtCreateFile, handler: unknown
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\driver[1].htm
- %TEMP%\19DC40C6.sys
- %TEMP%\SE1.tmp
Deletes the following files:
- %TEMP%\19DC40C6.sys
- %TEMP%\SE1.tmp
Network activity:
Connects to:
- 'sh####chajian.com':80
- 'localhost':1038
TCP:
HTTP GET requests:
- sh####chajian.com/driver.htm
UDP:
- DNS ASK sh####chajian.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'IEFrame' WindowName: '(null)'
- ClassName: 'MS_AutodialMonitor' WindowName: '(null)'
- ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: '4823-00000029' WindowName: '(null)'
- ClassName: '18467-41' WindowName: '(null)'
- ClassName: '' WindowName: '(null)'
