Technical Information
Malicious functions
Executes the following (exploit)
- '<SYSTEM32>\regsvr32.exe' /S ..\udhwa1.ocx
- '<SYSTEM32>\regsvr32.exe' /S ..\udhwa2.ocx
- '<SYSTEM32>\regsvr32.exe' /S ..\udhwa3.ocx
Modifies file system
Creates the following files
- %HOMEPATH%\udhwa1.ocx
- %HOMEPATH%\udhwa2.ocx
- <Current directory>\0fcf0000
Substitutes the following files
- <PATH_SAMPLE>.xls
Network activity
Connects to
- 'el#####leparadiso.it':80
- 'er###.webapps.net':80
- 'ul#####oneafrica.com':80
- 'vi#####teservice.com':443
TCP
HTTP GET requests
- http://el#####leparadiso.it/wp-admin/ZxQDOojTZNP0sKCiHo/
- http://er###.webapps.net/error_4722.html
- http://ul#####oneafrica.com/Contenu_US/55RPCkKNl/
Other
- 'vi#####teservice.com':443
UDP
- DNS ASK el#####leparadiso.it
- DNS ASK er###.webapps.net
- DNS ASK ul#####oneafrica.com
- DNS ASK vi#####teservice.com
Miscellaneous
Creates and executes the following
- '<SYSTEM32>\regsvr32.exe' /S ..\udhwa1.ocx' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' /S ..\udhwa2.ocx' (with hidden window)
- '<SYSTEM32>\regsvr32.exe' /S ..\udhwa3.ocx' (with hidden window)
