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>:\fi51.doc.lnk
- <Drive name for removable media>:\ovp25012015.doc.lnk
- <Drive name for removable media>:\testee.cer.lnk
- <Drive name for removable media>:\testcertificate.cer.lnk
- <Drive name for removable media>:\sdksampleprivdeveloper.cer.lnk
- <Drive name for removable media>:\pmd.cer.lnk
- <Drive name for removable media>:\contosoroot_1.cer.lnk
- <Drive name for removable media>:\contosoroot.cer.lnk
- <Drive name for removable media>:\february_catalogue__2015.doc.lnk
- <Drive name for removable media>:\dashborder_144.bmp.lnk
- <Drive name for removable media>:\dashborder_120.bmp.lnk
- <Drive name for removable media>:\toolbar.bmp.lnk
- <Drive name for removable media>:\dashborder_192.bmp.lnk
- <Drive name for removable media>:\dialmap.bmp.lnk
- <Drive name for removable media>:\default.bmp.lnk
- <Drive name for removable media>:\split.avi.lnk
- <Drive name for removable media>:\correct.avi.lnk
- <Drive name for removable media>:\join.avi.lnk
- <Drive name for removable media>:\coffee.bmp.lnk
- <Drive name for removable media>:\weeklysheet1215.doc.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)