Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'saobau' = '%HOMEPATH%\saobau.exe /S'
Creates the following files on removable media
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\4f0bf7ff71f28.exe
- <Drive name for removable media>:\2.exe
- <Drive name for removable media>:\clip_1080_5sec_10mbps_h264.exe
- <Drive name for removable media>:\video.exe
- <Drive name for removable media>:\51.exe
- <Drive name for removable media>:\video_1.exe
- <Drive name for removable media>:\dualectls.exe
- <Drive name for removable media>:\dashborder_144.exe
- <Drive name for removable media>:\spib_pima.exe
- <Drive name for removable media>:\cleanlyrics.exe
- <Drive name for removable media>:\cbz.exe
- <Drive name for removable media>:\breakpoint.exe
- <Drive name for removable media>:\dissolveanother.exe
- <Drive name for removable media>:\bg_search_box.exe
- <Drive name for removable media>:\210252809.exe
- <Drive name for removable media>:\13.exe
- <Drive name for removable media>:\pushkin.exe
- <Drive name for removable media>:\parnas_01.exe
- <Drive name for removable media>:\3.exe
- <Drive name for removable media>:\hanni_umami_chapter.exe
- <Drive name for removable media>:\february_catalogue__2015.exe
- <Drive name for removable media>:\uep_form_786_bulletin_1726i602.exe
- <Drive name for removable media>:\dashborder_192.exe
- <Drive name for removable media>:\d0068197bb5a41fea16a220c45390606.exe
- <Drive name for removable media>:\toolbar.exe
- <Drive name for removable media>:\dialmap.exe
- <Drive name for removable media>:\tileimage.exe
- <Drive name for removable media>:\archer.exe
- <Drive name for removable media>:\join.exe
- <Drive name for removable media>:\delete.exe
- <Drive name for removable media>:\saobau.exe
- <Drive name for removable media>:\arrow-down.exe
- <Drive name for removable media>:\flower_trans_matte.exe
Malicious functions
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Modifies file system
Creates the following files
- %HOMEPATH%\saobau.exe
Sets the 'hidden' attribute to the following files
- %HOMEPATH%\saobau.exe
- <Drive name for removable media>:\autorun.inf
Network activity
Connects to
- '255.255.255.255':8000
UDP
- DNS ASK ns#.##ayer1352.com
- DNS ASK ns#.##ayer1352.net
- DNS ASK ns#.##ayer1352.org
Miscellaneous
Creates and executes the following
- '%HOMEPATH%\saobau.exe'
