Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '4cad00898e83b5ca86cd4000a82f9e90' = '"%APPDATA%\ Explorer.exe" ..'
- [<HKLM>\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] '4cad00898e83b5ca86cd4000a82f9e90' = '"%APPDATA%\ Explorer.exe" ..'
Creates or modifies the following files
- %APPDATA%\microsoft\windows\start menu\programs\startup\4cad00898e83b5ca86cd4000a82f9e90.exe
Creates the following files on removable media
- <Drive name for removable media>:\4cad00898e83b5ca86cd4000a82f9e90.exe
- <Drive name for removable media>:\cveuropeo.doc.lnk
- <Drive name for removable media>:\ovp25012015.doc.lnk
- <Drive name for removable media>:\applicantform_en.doc.lnk
- <Drive name for removable media>:\508softwareandos.doc.lnk
- <Drive name for removable media>:\lisp_success.doc.lnk
- <Drive name for removable media>:\uep_form_786_bulletin_1726i602.doc.lnk
- <Drive name for removable media>:\sdkfailsafeemulator.cer.lnk
- <Drive name for removable media>:\sdksampleunprivdeveloper.cer.lnk
- <Drive name for removable media>:\thlps_keeper_mayer_1965.docx.lnk
- <Drive name for removable media>:\contoso_1.cer.lnk
- <Drive name for removable media>:\contosoroot_1.cer.lnk
- <Drive name for removable media>:\dashborder_192.bmp.lnk
- <Drive name for removable media>:\toolbar.bmp.lnk
- <Drive name for removable media>:\dialmap.bmp.lnk
- <Drive name for removable media>:\tileimage.bmp.lnk
- <Drive name for removable media>:\dashborder_96.bmp.lnk
- <Drive name for removable media>:\join.avi.lnk
- <Drive name for removable media>:\delete.avi.lnk
- <Drive name for removable media>:\sdksampleprivdeveloper.cer.lnk
- <Drive name for removable media>:\hadac_newsletter_july_2010_final.docx.lnk
Malicious functions
Executes the following
- '%WINDIR%\syswow64\netsh.exe' firewall add allowedprogram "%APPDATA%\ Explorer.exe" " Explorer.exe" ENABLE
Modifies file system
Creates the following files
- %APPDATA%\ explorer.exe
Sets the 'hidden' attribute to the following files
- <Drive name for removable media>:\4cad00898e83b5ca86cd4000a82f9e90.exe
Network activity
UDP
- DNS ASK al##.ddns.net
Miscellaneous
Creates and executes the following
- '%APPDATA%\ explorer.exe'
- '%WINDIR%\syswow64\netsh.exe' firewall add allowedprogram "%APPDATA%\ Explorer.exe" " Explorer.exe" ENABLE' (with hidden window)
