Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /D'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /i'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /b'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /M'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /C'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /f'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /h'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /R'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /o'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /s'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /Y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /a'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /T'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /E'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /u'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /Z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /P'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /x'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /J'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /N'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /w'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /V'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /l'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /k'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'cuaubab' = '%HOMEPATH%\cuaubab.exe /G'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Nwv.ico
- <Drive name for removable media>:\cuaubab.exe
- <Drive name for removable media>:\cuaubabx.exe
- <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>:\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%\cuaubab.exe
Sets the 'hidden' attribute to the following files:
- %HOMEPATH%\cuaubab.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Nwv.ico
- <Drive name for removable media>:\cuaubab.exe
- <Drive name for removable media>:\cuaubabx.exe
Network activity:
Connects to:
- 'ns#.##ayer1532.com':8000
UDP:
- DNS ASK ns#.##ayer1532.com
Miscellaneous:
Creates and executes the following:
- '%HOMEPATH%\cuaubab.exe'