Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /R'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /A'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /c'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /p'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /l'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /T'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /e'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /v'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /j'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /X'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /M'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /S'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /b'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /k'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /Y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /G'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /o'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /U'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /d'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /w'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /F'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /N'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /I'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'srtaf' = '%HOMEPATH%\srtaf.exe /H'
Creates the following files on removable media
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\2015-02-worms-nanoparticle-toxicity.pdf.lnk
- <Drive name for removable media>:\calibre.png.lnk
- <Drive name for removable media>:\bg_search_box.png.lnk
- <Drive name for removable media>:\background.png.lnk
- <Drive name for removable media>:\cleanlyrics.png.lnk
- <Drive name for removable media>:\arrow-down.png.lnk
- <Drive name for removable media>:\cbz.png.lnk
- <Drive name for removable media>:\d0068197bb5a41fea16a220c45390606.mp4.lnk
- <Drive name for removable media>:\dualectls.pdf.lnk
- <Drive name for removable media>:\block.png.lnk
- <Drive name for removable media>:\guide_reorganization_mapping.xls.lnk
- <Drive name for removable media>:\subjectclassification.xls.lnk
- <Drive name for removable media>:\contractualdeadlines.xls.lnk
- <Drive name for removable media>:\new folder.lnk
- <Drive name for removable media>:\passwords.lnk
- <Drive name for removable media>:\documents.lnk
- <Drive name for removable media>:\pictures.lnk
- <Drive name for removable media>:\babyboymaintonotesbackground_pal.wmv.lnk
- <Drive name for removable media>:\1sm_price.xls.lnk
- <Drive name for removable media>:\51.mp4.lnk
- <Drive name for removable media>:\168.jpg.lnk
- <Drive name for removable media>:\13.jpg.lnk
- <Drive name for removable media>:\srtaf.exe
- <Drive name for removable media>:\srtafx.exe
- <Drive name for removable media>:\correct.avi.lnk
- <Drive name for removable media>:\000814251_video_01.avi.lnk
- <Drive name for removable media>:\archer.avi.lnk
- <Drive name for removable media>:\join.avi.lnk
- <Drive name for removable media>:\toolbar.bmp.lnk
- <Drive name for removable media>:\coffee.bmp.lnk
- <Drive name for removable media>:\tpr.ico
- <Drive name for removable media>:\default.bmp.lnk
- <Drive name for removable media>:\lisp_success.doc.lnk
- <Drive name for removable media>:\ovp25012015.doc.lnk
- <Drive name for removable media>:\508softwareandos.doc.lnk
- <Drive name for removable media>:\fi51.doc.lnk
- <Drive name for removable media>:\hanni_umami_chapter.doc.lnk
- <Drive name for removable media>:\cveuropeo.doc.lnk
- <Drive name for removable media>:\1189.jpg.lnk
- <Drive name for removable media>:\region-north-karelia.jpg.lnk
- <Drive name for removable media>:\dial.bmp.lnk
- <Drive name for removable media>:\music.lnk
- <Drive name for removable media>:\video.lnk
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%\srtaf.exe
Sets the 'hidden' attribute to the following files
- %HOMEPATH%\srtaf.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\tpr.ico
- <Drive name for removable media>:\srtaf.exe
- <Drive name for removable media>:\srtafx.exe
Network activity
Connects to
- '255.255.255.255':8000
UDP
- DNS ASK ns#.##ayer1532.com
- DNS ASK ns#.##deoall.org
- DNS ASK ns#.##deoall.net
Miscellaneous
Creates and executes the following
- '%HOMEPATH%\srtaf.exe'
