Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'tsyiam' = '%HOMEPATH%\tsyiam.exe /t'
Creates the following files on removable media
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\rcx5eaa.tmp
- <Drive name for removable media>:\4f0bf7ff71f28.exe
- <Drive name for removable media>:\rcx4cbe.tmp
- <Drive name for removable media>:\3.exe
- <Drive name for removable media>:\rcx48a8.tmp
- <Drive name for removable media>:\1189.exe
- <Drive name for removable media>:\rcx36eb.tmp
- <Drive name for removable media>:\13.exe
- <Drive name for removable media>:\rcx2be3.tmp
- <Drive name for removable media>:\pushkin.exe
- <Drive name for removable media>:\rcx16dc.tmp
- <Drive name for removable media>:\rcx16db.tmp
- <Drive name for removable media>:\rcx16ca.tmp
- <Drive name for removable media>:\february_catalogue__2015.exe
- <Drive name for removable media>:\rcxfb3e.tmp
- <Drive name for removable media>:\rcxfb0e.tmp
- <Drive name for removable media>:\rcxfafd.tmp
- <Drive name for removable media>:\parnas_01.exe
- <Drive name for removable media>:\rcx67ee.tmp
- <Drive name for removable media>:\168.exe
- <Drive name for removable media>:\rcx7586.tmp
- <Drive name for removable media>:\rcxba01.tmp
- <Drive name for removable media>:\rcxb9f0.tmp
- <Drive name for removable media>:\spib_pima.exe
- <Drive name for removable media>:\rcxb5da.tmp
- <Drive name for removable media>:\rcxb5aa.tmp
- <Drive name for removable media>:\rcxb599.tmp
- <Drive name for removable media>:\7790_preview.exe
- <Drive name for removable media>:\rcxaf9f.tmp
- <Drive name for removable media>:\51.exe
- <Drive name for removable media>:\rcxaf8f.tmp
- <Drive name for removable media>:\rcx998e.tmp
- <Drive name for removable media>:\rcx996e.tmp
- <Drive name for removable media>:\clip_1080_5sec_10mbps_h264.exe
- <Drive name for removable media>:\rcx91bf.tmp
- <Drive name for removable media>:\rcx91be.tmp
- <Drive name for removable media>:\clip_480_5sec_6mbps_h264.exe
- <Drive name for removable media>:\rcx8d2b.tmp
- <Drive name for removable media>:\2.exe
- <Drive name for removable media>:\rcxc113.tmp
- <Drive name for removable media>:\cveuropeo.exe
- <Drive name for removable media>:\rcxf552.tmp
- <Drive name for removable media>:\rcxf541.tmp
- <Drive name for removable media>:\dashborder_192.exe
- <Drive name for removable media>:\rcx9ee5.tmp
- <Drive name for removable media>:\coffee.exe
- <Drive name for removable media>:\rcx9939.tmp
- <Drive name for removable media>:\toolbar.exe
- <Drive name for removable media>:\rcx9320.tmp
- <Drive name for removable media>:\dashborder_144.exe
- <Drive name for removable media>:\rcx8605.tmp
- <Drive name for removable media>:\rcx85e5.tmp
- <Drive name for removable media>:\000814251_video_01.exe
- <Drive name for removable media>:\rcx81bf.tmp
- <Drive name for removable media>:\rcx819f.tmp
- <Drive name for removable media>:\split.exe
- <Drive name for removable media>:\rcx77fd.tmp
- <Drive name for removable media>:\rcx7223.tmp
- <Drive name for removable media>:\correct.exe
- <Drive name for removable media>:\tsyiam.exe
- <Drive name for removable media>:\rcxa33a.tmp
- <Drive name for removable media>:\lisp_success.exe
- <Drive name for removable media>:\rcxad39.tmp
- <Drive name for removable media>:\rcxad59.tmp
- <Drive name for removable media>:\508softwareandos.exe
- <Drive name for removable media>:\rcxe5c5.tmp
- <Drive name for removable media>:\rcxe5a4.tmp
- <Drive name for removable media>:\rcxe584.tmp
- <Drive name for removable media>:\uep_form_786_bulletin_1726i602.exe
- <Drive name for removable media>:\rcxe16e.tmp
- <Drive name for removable media>:\rcxe14e.tmp
- <Drive name for removable media>:\rcxe13d.tmp
- <Drive name for removable media>:\rcxd625.tmp
- <Drive name for removable media>:\applicantform_en.exe
- <Drive name for removable media>:\rcxce28.tmp
- <Drive name for removable media>:\rcxce27.tmp
- <Drive name for removable media>:\weeklysheet1215.exe
- <Drive name for removable media>:\rcxb51b.tmp
- <Drive name for removable media>:\rcxb50a.tmp
- <Drive name for removable media>:\rcxb4f9.tmp
- <Drive name for removable media>:\fi51.exe
- <Drive name for removable media>:\rcxad5a.tmp
- <Drive name for removable media>:\rcxf521.tmp
- <Drive name for removable media>:\ff_ot_user_guide.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%\tsyiam.exe
Sets the 'hidden' attribute to the following files
- %HOMEPATH%\tsyiam.exe
- <Drive name for removable media>:\autorun.inf
Network activity
Connects to
- '255.255.255.255':8000
UDP
- DNS ASK ns#.##siczipz.com
- DNS ASK ns#.##sicmixa.net
- DNS ASK ns#.##sicmixa.org
- DNS ASK ns#.##sicmixb.co
- DNS ASK ns#.##sicmixc.com
Miscellaneous
Creates and executes the following
- '%HOMEPATH%\tsyiam.exe'
