Technical Information
To ensure autorun and distribution
Creates the following files on removable media
- <Drive name for removable media>:\svchost.exe
- <Drive name for removable media>:\autorun.inf
Malicious functions
Executes the following
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%HOMEPATH%\dwm.exe" "dwm.exe" ENABLE
- '<SYSTEM32>\taskkill.exe' /F /IM Exsample.exe
Modifies file system
Creates the following files
- %HOMEPATH%\dwm.exe
- C:\svchost.exe
- C:\autorun.inf
- D:\svchost.exe
- D:\autorun.inf
Sets the 'hidden' attribute to the following files
- <Full path to file>
- C:\svchost.exe
- C:\autorun.inf
- D:\svchost.exe
- D:\autorun.inf
- <Drive name for removable media>:\svchost.exe
- <Drive name for removable media>:\autorun.inf
Network activity
Connects to
- 'cx###z.zz.am':1
UDP
- DNS ASK cx###z.zz.am
Miscellaneous
Searches for the following windows
- ClassName: '' WindowName: ''
Creates and executes the following
- '%HOMEPATH%\dwm.exe'
- '<SYSTEM32>\netsh.exe' firewall add allowedprogram "%HOMEPATH%\dwm.exe" "dwm.exe" ENABLE' (with hidden window)
- '<SYSTEM32>\taskkill.exe' /F /IM Exsample.exe' (with hidden window)
