Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'ActiveX Diagnostic Identity' = '<SYSTEM32>\uostlkubsto.exe'
Creates or modifies the following files:
- %HOMEPATH%\Start Menu\Programs\Startup\uostlkubsto.exe
Malicious functions:
Creates and executes the following:
- '<SYSTEM32>\uostlkubsto.exe'
- '%TEMP%\oshmy7qw5raotv1vcbtreoe.exe'
Modifies file system :
Creates the following files:
- %APPDATA%\Mozilla\Firefox\Profiles\cwdgt0y8.default\user.js
- <SYSTEM32>\uostlkubsto.exe
- <SYSTEM32>\wuihehnske\tst
- %TEMP%\oshmy7qw5raotv1vcbtreoe.exe
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\uostlkubsto.exe
Deletes the following files:
- %TEMP%\oshmy7qw5raotv1vcbtreoe.exe
Network activity:
Connects to:
- 'mu###loor.net':80
- 'wa###hrew.net':80
- 'ta###hrew.net':80
- 'pi###floor.net':80
- 'el#####arimagine.com':80
- 'ab###ach.net':80
- 'ju###ray.net':80
TCP:
HTTP GET requests:
- mu###loor.net/forum/search.php?me#################################################################################
- wa###hrew.net/forum/search.php?me#################################################################################
- ta###hrew.net/forum/search.php?me#################################################################################
- pi###floor.net/forum/search.php?me#################################################################################
- el#####arimagine.com/forum/search.php?me#################################################################################
- ab###ach.net/forum/search.php?me#################################################################################
- ju###ray.net/forum/search.php?me#################################################################################
UDP:
- DNS ASK mo###ray.net
- DNS ASK pi###floor.net
- DNS ASK ab###ach.net
- DNS ASK ju###ray.net
- DNS ASK mu###loor.net
- DNS ASK wa###ross.net
- DNS ASK ta###ross.net
- DNS ASK wa###hrew.net
- DNS ASK ta###hrew.net
- DNS ASK li###hot.net
- DNS ASK pe###hecon.com
- DNS ASK th###rrefk.com
- DNS ASK el#####arimagine.com
- DNS ASK mo###uia.com
- DNS ASK ta###wash.net
- DNS ASK lo###oss.net
- DNS ASK so###about.net
- DNS ASK sa###ave.net
- DNS ASK yo###njoy.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'