Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /g'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /U'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /X'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /b'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /h'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /C'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /L'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /S'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /R'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /K'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /D'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /P'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /M'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /w'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /F'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /T'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /e'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /A'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /i'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /O'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /n'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /j'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuabin' = '%HOMEPATH%\cuabin.exe /V'
Creates the following files on removable media:
- <Drive name for removable media>:\Sexy.exe
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\Passwords.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\cuabin.exe
- <Drive name for removable media>:\Secret.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%\cuabin.exe'
Modifies file system :
Creates the following files:
- %HOMEPATH%\cuabin.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\cuabin.exe
- <Drive name for removable media>:\autorun.inf
- %HOMEPATH%\cuabin.exe
Network activity:
Connects to:
- 'ns#.##ayer1352.com':8000
UDP:
- DNS ASK dn#.##ftncsi.com
- DNS ASK ns#.##ayer1352.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
