Technical Information
To ensure autorun and distribution
Creates the following files on removable media
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\pagefile.pif
Malicious functions
Terminates or attempts to terminate
the following system processes:
- %WINDIR%\syswow64\ping.exe
Modifies file system
Creates the following files
- %WINDIR%\syswow64\com\smss.exe
- C:\ntfsus.exe
- %WINDIR%\syswow64\com\lsass.exe
- C:\autorun.inf
- C:\pagefile.pif
- D:\autorun.inf
- D:\pagefile.pif
Sets the 'hidden' attribute to the following files
- %WINDIR%\syswow64\com\smss.exe
- C:\ntfsus.exe
- %WINDIR%\syswow64\com\lsass.exe
- C:\autorun.inf
- C:\pagefile.pif
- D:\autorun.inf
- D:\pagefile.pif
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\pagefile.pif
Network activity
UDP
- DNS ASK ba##u.com
Miscellaneous
Searches for the following windows
- ClassName: 'XOR' WindowName: 'MSCTFIME SMSS'
- ClassName: '' WindowName: 'SREng ½éÉÜ'
- ClassName: '' WindowName: '@@Éý¼¶'
- ClassName: '#32770' WindowName: 'MCI Program Com Application'
- ClassName: 'XOR' WindowName: 'MSICTFIME SMSS'
Creates and executes the following
- '%WINDIR%\syswow64\com\smss.exe' <SYSTEM32>\com\LSASS.EXE|<Drive name for removable media>:\pagefile.pif
- 'C:\ntfsus.exe'
- '%WINDIR%\syswow64\com\lsass.exe'
- '%WINDIR%\syswow64\com\smss.exe' <SYSTEM32>\com\LSASS.EXE|E:\pagefile.pif
- '%WINDIR%\syswow64\com\smss.exe' %PROGRAMDATA%\Microsoft\Windows\Start Menu\Programs\Startup\~.exe
- '%WINDIR%\syswow64\com\smss.exe' <SYSTEM32>\com\LSASS.EXE|D:\pagefile.pif
- '%WINDIR%\syswow64\com\smss.exe' <SYSTEM32>\com\LSASS.EXE|G:\pagefile.pif
- '%WINDIR%\syswow64\com\smss.exe' <SYSTEM32>\com\LSASS.EXE|C:\pagefile.pif
- '%WINDIR%\syswow64\cacls.exe' <SYSTEM32>\com /e /t /g user:F' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c "<SYSTEM32>\com\SMSS.EXE <SYSTEM32>\com\LSASS.EXE^|G:\pagefile.pif"' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c "<SYSTEM32>\com\SMSS.EXE <SYSTEM32>\com\LSASS.EXE^|D:\pagefile.pif"' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c "<SYSTEM32>\com\SMSS.EXE <SYSTEM32>\com\LSASS.EXE^|E:\pagefile.pif"' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c "<SYSTEM32>\com\SMSS.EXE <SYSTEM32>\com\LSASS.EXE^|C:\pagefile.pif"' (with hidden window)
- 'C:\ntfsus.exe' ' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c rd /s /q "C:\ntfsus.exe"' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c rd /s /q "<SYSTEM32>\com\SMSS.EXE"' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c rd /s /q "<SYSTEM32>\com\bak"' (with hidden window)
- '%WINDIR%\syswow64\cacls.exe' <SYSTEM32>\com\SMSS.EXE /e /t /g user:F' (with hidden window)
- '%WINDIR%\syswow64\cacls.exe' <SYSTEM32>\com\LSASS.EXE /e /t /g user:F' (with hidden window)
- '%WINDIR%\syswow64\cmd.exe' /c "<SYSTEM32>\com\SMSS.EXE <SYSTEM32>\com\LSASS.EXE^|<Drive name for removable media>:\pagefile.pif"' (with hidden window)
- '%WINDIR%\syswow64\ping.exe' -f -n 1 www.ba##u.com' (with hidden window)
Executes the following
- '%WINDIR%\syswow64\cacls.exe' <SYSTEM32>\com /e /t /g user:F
- '%WINDIR%\syswow64\cacls.exe' <SYSTEM32>\com\LSASS.EXE /e /t /g user:F
- '%WINDIR%\syswow64\cacls.exe' <SYSTEM32>\com\SMSS.EXE /e /t /g user:F
- '%WINDIR%\syswow64\cmd.exe' /c rd /s /q "<SYSTEM32>\com\SMSS.EXE"
- '%WINDIR%\syswow64\cmd.exe' /c rd /s /q "C:\ntfsus.exe"
- '%WINDIR%\syswow64\cmd.exe' /c rd /s /q "<SYSTEM32>\com\bak"
- '%WINDIR%\syswow64\cmd.exe' /c "<SYSTEM32>\com\SMSS.EXE <SYSTEM32>\com\LSASS.EXE^|C:\pagefile.pif"
- '%WINDIR%\syswow64\cmd.exe' /c "<SYSTEM32>\com\SMSS.EXE <SYSTEM32>\com\LSASS.EXE^|D:\pagefile.pif"
- '%WINDIR%\syswow64\cmd.exe' /c "<SYSTEM32>\com\SMSS.EXE <SYSTEM32>\com\LSASS.EXE^|E:\pagefile.pif"
- '%WINDIR%\syswow64\cmd.exe' /c "<SYSTEM32>\com\SMSS.EXE <SYSTEM32>\com\LSASS.EXE^|<Drive name for removable media>:\pagefile.pif"
- '%WINDIR%\syswow64\cmd.exe' /c "<SYSTEM32>\com\SMSS.EXE <SYSTEM32>\com\LSASS.EXE^|G:\pagefile.pif"
- '%WINDIR%\syswow64\ping.exe' -f -n 1 www.ba##u.com
