Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'faesi' = '%HOMEPATH%\faesi.exe /t'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'faesi' = '%HOMEPATH%\faesi.exe /G'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'faesi' = '%HOMEPATH%\faesi.exe /V'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'faesi' = '%HOMEPATH%\faesi.exe /Y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'faesi' = '%HOMEPATH%\faesi.exe /X'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'faesi' = '%HOMEPATH%\faesi.exe /P'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'faesi' = '%HOMEPATH%\faesi.exe /E'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'faesi' = '%HOMEPATH%\faesi.exe /u'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'faesi' = '%HOMEPATH%\faesi.exe /C'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'faesi' = '%HOMEPATH%\faesi.exe /A'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'faesi' = '%HOMEPATH%\faesi.exe /f'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'faesi' = '%HOMEPATH%\faesi.exe /h'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'faesi' = '%HOMEPATH%\faesi.exe /K'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'faesi' = '%HOMEPATH%\faesi.exe /w'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'faesi' = '%HOMEPATH%\faesi.exe /j'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'faesi' = '%HOMEPATH%\faesi.exe /M'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'faesi' = '%HOMEPATH%\faesi.exe /Q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'faesi' = '%HOMEPATH%\faesi.exe /R'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'faesi' = '%HOMEPATH%\faesi.exe /I'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'faesi' = '%HOMEPATH%\faesi.exe /B'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'faesi' = '%HOMEPATH%\faesi.exe /N'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'faesi' = '%HOMEPATH%\faesi.exe /s'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'faesi' = '%HOMEPATH%\faesi.exe /D'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'faesi' = '%HOMEPATH%\faesi.exe /l'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'faesi' = '%HOMEPATH%\faesi.exe /Z'
Creates the following files on removable media:
- <Drive name for removable media>:\Sexy.exe
- <Drive name for removable media>:\RCX1.tmp
- <Drive name for removable media>:\Secret.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\faesi.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Creates and executes the following:
- '%HOMEPATH%\faesi.exe'
Modifies file system :
Creates the following files:
- %HOMEPATH%\faesi.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- %HOMEPATH%\faesi.exe
Deletes the following files:
- <Drive name for removable media>:\Sexy.exe
Network activity:
Connects to:
- 'ns#.##ayer1352.com':8000
UDP:
- DNS ASK ns#.##ayer1352.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'