Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'couwiy' = '%HOMEPATH%\couwiy.exe /y'
Creates the following files on removable media
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\rcx15d9.tmp
- <Drive name for removable media>:\cveuropeo.exe
- <Drive name for removable media>:\rcx1cdf.tmp
- <Drive name for removable media>:\rcx1cff.tmp
- <Drive name for removable media>:\region-north-karelia.exe
- <Drive name for removable media>:\13.exe
- <Drive name for removable media>:\210252809.exe
- <Drive name for removable media>:\168.exe
- <Drive name for removable media>:\2.exe
- <Drive name for removable media>:\clip_1080_5sec_10mbps_h264.exe
- <Drive name for removable media>:\rcx4086.tmp
- <Drive name for removable media>:\51.exe
- <Drive name for removable media>:\rcx46e0.tmp
- <Drive name for removable media>:\bc01.exe
- <Drive name for removable media>:\rcx4d2a.tmp
- <Drive name for removable media>:\rcx4d5a.tmp
- <Drive name for removable media>:\2015-02-patients-topic-work-related-asthma-jobs.exe
- <Drive name for removable media>:\rcx53e3.tmp
- <Drive name for removable media>:\rcx5403.tmp
- <Drive name for removable media>:\arrow-down.exe
- <Drive name for removable media>:\cleanlyrics.exe
- <Drive name for removable media>:\block.exe
- <Drive name for removable media>:\dissolveanother.exe
- <Drive name for removable media>:\background.exe
- <Drive name for removable media>:\passport_pal.exe
- <Drive name for removable media>:\rcx7b33.tmp
- <Drive name for removable media>:\price030215.exe
- <Drive name for removable media>:\rcx15b9.tmp
- <Drive name for removable media>:\rcxbc25.tmp
- <Drive name for removable media>:\508softwareandos.exe
- <Drive name for removable media>:\rcx1019.tmp
- <Drive name for removable media>:\couwiy.exe
- <Drive name for removable media>:\correct.exe
- <Drive name for removable media>:\rcxb3e5.tmp
- <Drive name for removable media>:\split.exe
- <Drive name for removable media>:\rcxbd6c.tmp
- <Drive name for removable media>:\archer.exe
- <Drive name for removable media>:\rcxc491.tmp
- <Drive name for removable media>:\000814251_video_01.exe
- <Drive name for removable media>:\rcxc88a.tmp
- <Drive name for removable media>:\join.exe
- <Drive name for removable media>:\rcxcc82.tmp
- <Drive name for removable media>:\delete.exe
- <Drive name for removable media>:\rcxd405.tmp
- <Drive name for removable media>:\default.exe
- <Drive name for removable media>:\dashborder_96.exe
- <Drive name for removable media>:\dashborder_144.exe
- <Drive name for removable media>:\dial.exe
- <Drive name for removable media>:\toolbar.exe
- <Drive name for removable media>:\coffee.exe
- <Drive name for removable media>:\tileimage.exe
- <Drive name for removable media>:\hanni_umami_chapter.exe
- <Drive name for removable media>:\rcx4f9.tmp
- <Drive name for removable media>:\rcx50a.tmp
- <Drive name for removable media>:\weeklysheet1215.exe
- <Drive name for removable media>:\rcxa6a.tmp
- <Drive name for removable media>:\rcxa7b.tmp
- <Drive name for removable media>:\uep_form_786_bulletin_1726i602.exe
- <Drive name for removable media>:\rcx1039.tmp
- <Drive name for removable media>:\rcxd82a.tmp
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%\couwiy.exe
Sets the 'hidden' attribute to the following files
- %HOMEPATH%\couwiy.exe
- <Drive name for removable media>:\autorun.inf
Network activity
Connects to
- '255.255.255.255':8003
UDP
- DNS ASK ns#.##siczipz.com
- DNS ASK ns#.##sicmixa.net
- DNS ASK ns#.##sicmixa.org
- DNS ASK ns#.##sicmixb.co
Miscellaneous
Creates and executes the following
- '%HOMEPATH%\couwiy.exe'
