Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /X'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /o'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /e'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /q'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /j'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /S'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /H'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /w'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /A'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /D'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /G'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /k'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /c'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /u'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /r'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /Y'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /b'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /i'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /l'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /z'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /n'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /f'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /p'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /T'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /v'
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run\] 'guael' = '%HOMEPATH%\guael.exe /M'
Creates the following files on removable media
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\background.png.lnk
- <Drive name for removable media>:\block.png.lnk
- <Drive name for removable media>:\breakpoint.png.lnk
- <Drive name for removable media>:\cleanlyrics.png.lnk
- <Drive name for removable media>:\calibre.png.lnk
- <Drive name for removable media>:\asm.png.lnk
- <Drive name for removable media>:\cbz.png.lnk
- <Drive name for removable media>:\babyboymaintoscenesbackground.wmv.lnk
- <Drive name for removable media>:\testwmv.wmv.lnk
- <Drive name for removable media>:\2015-02-patients-topic-work-related-asthma-jobs.pdf.lnk
- <Drive name for removable media>:\spib_pima.pdf.lnk
- <Drive name for removable media>:\passport_pal.wmv.lnk
- <Drive name for removable media>:\guide_reorganization_mapping.xls.lnk
- <Drive name for removable media>:\productos.xls.lnk
- <Drive name for removable media>:\removedtitles_records.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>:\flower_trans_matte.wmv.lnk
- <Drive name for removable media>:\7790_preview.pdf.lnk
- <Drive name for removable media>:\dualectls.pdf.lnk
- <Drive name for removable media>:\2015-02-worms-nanoparticle-toxicity.pdf.lnk
- <Drive name for removable media>:\guael.exe
- <Drive name for removable media>:\guaelx.exe
- <Drive name for removable media>:\correct.avi.lnk
- <Drive name for removable media>:\delete.avi.lnk
- <Drive name for removable media>:\split.avi.lnk
- <Drive name for removable media>:\dashborder_120.bmp.lnk
- <Drive name for removable media>:\dashborder_96.bmp.lnk
- <Drive name for removable media>:\coffee.bmp.lnk
- <Drive name for removable media>:\uep_form_786_bulletin_1726i602.doc.lnk
- <Drive name for removable media>:\weeklysheet1215.doc.lnk
- <Drive name for removable media>:\nom.ico
- <Drive name for removable media>:\ovp25012015.doc.lnk
- <Drive name for removable media>:\cveuropeo.doc.lnk
- <Drive name for removable media>:\february_catalogue__2015.doc.lnk
- <Drive name for removable media>:\hanni_umami_chapter.doc.lnk
- <Drive name for removable media>:\168.jpg.lnk
- <Drive name for removable media>:\pushkin.jpg.lnk
- <Drive name for removable media>:\4f0bf7ff71f28.jpg.lnk
- <Drive name for removable media>:\210252809.jpg.lnk
- <Drive name for removable media>:\video_1.mp4.lnk
- <Drive name for removable media>:\video.mp4.lnk
- <Drive name for removable media>:\clip_1080_5sec_10mbps_h264.mp4.lnk
- <Drive name for removable media>:\lisp_success.doc.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%\guael.exe
Sets the 'hidden' attribute to the following files
- %HOMEPATH%\guael.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\nom.ico
- <Drive name for removable media>:\guael.exe
- <Drive name for removable media>:\guaelx.exe
Network activity
Connects to
- 'ns#.##ayer1532.com':8000
UDP
- DNS ASK ns#.##ayer1532.com
Miscellaneous
Creates and executes the following
- '%HOMEPATH%\guael.exe'
