Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'lieufax' = '%HOMEPATH%\lieufax.exe /i'
Creates the following files on removable media
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\51.exe
- <Drive name for removable media>:\2015-02-worms-nanoparticle-toxicity.exe
- <Drive name for removable media>:\dualectls.exe
- <Drive name for removable media>:\ff_ot_user_guide.exe
- <Drive name for removable media>:\lom602.exe
- <Drive name for removable media>:\2.exe
- <Drive name for removable media>:\clip_1080_5sec_10mbps_h264.exe
- <Drive name for removable media>:\calibre.exe
- <Drive name for removable media>:\arrow-down.exe
- <Drive name for removable media>:\babyboymaintonotesbackground_pal.exe
- <Drive name for removable media>:\testwmv.exe
- <Drive name for removable media>:\babyboymaintoscenesbackground_pal.exe
- <Drive name for removable media>:\removedtitles_records.exe
- <Drive name for removable media>:\dissolveanother.exe
- <Drive name for removable media>:\background.exe
- <Drive name for removable media>:\region-north-karelia.exe
- <Drive name for removable media>:\210252809.exe
- <Drive name for removable media>:\pushkin.exe
- <Drive name for removable media>:\split.exe
- <Drive name for removable media>:\correct.exe
- <Drive name for removable media>:\join.exe
- <Drive name for removable media>:\archer.exe
- <Drive name for removable media>:\dashborder_120.exe
- <Drive name for removable media>:\tileimage.exe
- <Drive name for removable media>:\lieufax.exe
- <Drive name for removable media>:\dialmap.exe
- <Drive name for removable media>:\dashborder_192.exe
- <Drive name for removable media>:\lisp_success.exe
- <Drive name for removable media>:\applicantform_en.exe
- <Drive name for removable media>:\ovp25012015.exe
- <Drive name for removable media>:\3.exe
- <Drive name for removable media>:\parnas_01.exe
- <Drive name for removable media>:\dashborder_144.exe
- <Drive name for removable media>:\contractualdeadlines.exe
- <Drive name for removable media>:\excel_example.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%\lieufax.exe
Sets the 'hidden' attribute to the following files
- %HOMEPATH%\lieufax.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\lieufax.exe
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%\lieufax.exe'