Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'tttaef' = '%HOMEPATH%\tttaef.exe /A'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'tttaef' = '%HOMEPATH%\tttaef.exe /D'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'tttaef' = '%HOMEPATH%\tttaef.exe /g'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'tttaef' = '%HOMEPATH%\tttaef.exe /k'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'tttaef' = '%HOMEPATH%\tttaef.exe /z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'tttaef' = '%HOMEPATH%\tttaef.exe /P'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'tttaef' = '%HOMEPATH%\tttaef.exe /u'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'tttaef' = '%HOMEPATH%\tttaef.exe /Y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'tttaef' = '%HOMEPATH%\tttaef.exe /e'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'tttaef' = '%HOMEPATH%\tttaef.exe /C'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'tttaef' = '%HOMEPATH%\tttaef.exe /r'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'tttaef' = '%HOMEPATH%\tttaef.exe /I'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'tttaef' = '%HOMEPATH%\tttaef.exe /M'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'tttaef' = '%HOMEPATH%\tttaef.exe /L'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'tttaef' = '%HOMEPATH%\tttaef.exe /V'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'tttaef' = '%HOMEPATH%\tttaef.exe /T'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'tttaef' = '%HOMEPATH%\tttaef.exe /f'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'tttaef' = '%HOMEPATH%\tttaef.exe /S'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'tttaef' = '%HOMEPATH%\tttaef.exe /X'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'tttaef' = '%HOMEPATH%\tttaef.exe /q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'tttaef' = '%HOMEPATH%\tttaef.exe /o'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'tttaef' = '%HOMEPATH%\tttaef.exe /w'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'tttaef' = '%HOMEPATH%\tttaef.exe /b'
Creates the following files on removable media
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\tttaef.exe
- <Drive name for removable media>:\join.exe
- <Drive name for removable media>:\rcx1.tmp
- <Drive name for removable media>:\rcx2.tmp
- <Drive name for removable media>:\delete.exe
- <Drive name for removable media>:\rcx3.tmp
- <Drive name for removable media>:\rcx4.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%\tttaef.exe
Sets the 'hidden' attribute to the following files
- %HOMEPATH%\tttaef.exe
- <Drive name for removable media>:\autorun.inf
Deletes the following files
- <Drive name for removable media>:\join.exe
- <Drive name for removable media>:\delete.exe
Substitutes the following files
- <Drive name for removable media>:\join.exe
- <Drive name for removable media>:\delete.exe
Network activity
Connects to
- '255.255.255.255':8003
UDP
- DNS ASK ns#.##ayer1352.com
- DNS ASK ns#.##ayer1352.net
- DNS ASK ns#.##ayer1352.org
Miscellaneous
Creates and executes the following
- '%HOMEPATH%\tttaef.exe'
