Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '8b6c724afb458a51b8bbc1984d95f348' = '"%TEMP%\srvhost.exe" ..'
- [<HKLM>\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] '8b6c724afb458a51b8bbc1984d95f348' = '"%TEMP%\srvhost.exe" ..'
Creates or modifies the following files
- %APPDATA%\microsoft\windows\start menu\programs\startup\8b6c724afb458a51b8bbc1984d95f348.exe
Creates the following files on removable media
- <Drive name for removable media>:\8b6c724afb458a51b8bbc1984d95f348.exe
- <Drive name for removable media>:\hanni_umami_chapter.doc.lnk
- <Drive name for removable media>:\lisp_success.doc.lnk
- <Drive name for removable media>:\applicantform_en.doc.lnk
- <Drive name for removable media>:\cveuropeo.doc.lnk
- <Drive name for removable media>:\fi51.doc.lnk
- <Drive name for removable media>:\ovp25012015.doc.lnk
- <Drive name for removable media>:\sdksampleunprivdeveloper.cer.lnk
- <Drive name for removable media>:\testcertificate.cer.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>:\dashborder_96.bmp.lnk
- <Drive name for removable media>:\dashborder_120.bmp.lnk
- <Drive name for removable media>:\tileimage.bmp.lnk
- <Drive name for removable media>:\dashborder_192.bmp.lnk
- <Drive name for removable media>:\split.avi.lnk
- <Drive name for removable media>:\correct.avi.lnk
- <Drive name for removable media>:\000814251_video_01.avi.lnk
- <Drive name for removable media>:\join.avi.lnk
- <Drive name for removable media>:\contoso_1.cer.lnk
- <Drive name for removable media>:\issi2013_template_for_posters.docx.lnk
Malicious functions
Executes the following
- '%WINDIR%\syswow64\netsh.exe' firewall add allowedprogram "%TEMP%\srvhost.exe" "srvhost.exe" ENABLE
Modifies file system
Creates the following files
- %TEMP%\srvhost.exe
Sets the 'hidden' attribute to the following files
- <Drive name for removable media>:\8b6c724afb458a51b8bbc1984d95f348.exe
Network activity
UDP
- DNS ASK gz####er.ddns.net
Miscellaneous
Creates and executes the following
- '%TEMP%\srvhost.exe'
- '%WINDIR%\syswow64\netsh.exe' firewall add allowedprogram "%TEMP%\srvhost.exe" "srvhost.exe" ENABLE' (with hidden window)
