Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /n'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /s'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /e'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /t'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /v'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /b'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /w'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /u'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /d'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /m'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /o'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /f'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /c'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /h'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /k'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /i'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /l'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /p'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /j'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /r'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /g'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /x'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'keireun' = '%HOMEPATH%\keireun.exe /a'
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>:\keireun.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%\keireun.exe'
Modifies file system :
Creates the following files:
- %HOMEPATH%\c\Secret.exe
- %HOMEPATH%\c\Sexy.exe
- %HOMEPATH%\c\RCXD.tmp
- %HOMEPATH%\c\autorun.inf
- %HOMEPATH%\RCXA.tmp
- %HOMEPATH%\RCXB.tmp
- %HOMEPATH%\RCXC.tmp
- %HOMEPATH%\c\RCX10.tmp
- %HOMEPATH%\c\RCX11.tmp
- %HOMEPATH%\c\RCX12.tmp
- %HOMEPATH%\c\Passwords.exe
- %HOMEPATH%\c\Porn.exe
- %HOMEPATH%\c\RCXE.tmp
- %HOMEPATH%\c\RCXF.tmp
- %HOMEPATH%\Porn.exe
- %HOMEPATH%\RCX2.tmp
- %HOMEPATH%\RCX3.tmp
- %HOMEPATH%\RCX1.tmp
- %HOMEPATH%\keireun.exe
- %HOMEPATH%\Secret.exe
- %HOMEPATH%\Sexy.exe
- %HOMEPATH%\RCX7.tmp
- %HOMEPATH%\RCX8.tmp
- %HOMEPATH%\RCX9.tmp
- %HOMEPATH%\RCX6.tmp
- %HOMEPATH%\Passwords.exe
- %HOMEPATH%\RCX4.tmp
- %HOMEPATH%\RCX5.tmp
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\keireun.exe
- %HOMEPATH%\c\autorun.inf
- %HOMEPATH%\keireun.exe
- <Drive name for removable media>:\autorun.inf
Deletes the following files:
- %HOMEPATH%\c\Passwords.exe
- %HOMEPATH%\c\Porn.exe
- %HOMEPATH%\c\Secret.exe
- %HOMEPATH%\c\autorun.inf
- %HOMEPATH%\c\Sexy.exe
- %HOMEPATH%\Porn.exe
- %HOMEPATH%\Sexy.exe
- %HOMEPATH%\Secret.exe
- %HOMEPATH%\Passwords.exe
Moves the following files:
- from %HOMEPATH%\RCXC.tmp to %HOMEPATH%\Passwords.exe
- from %HOMEPATH%\c\RCXD.tmp to %HOMEPATH%\c\Sexy.exe
- from %HOMEPATH%\RCXA.tmp to %HOMEPATH%\Passwords.exe
- from %HOMEPATH%\RCXB.tmp to %HOMEPATH%\Passwords.exe
- from %HOMEPATH%\c\RCXE.tmp to %HOMEPATH%\c\Porn.exe
- from %HOMEPATH%\c\RCX11.tmp to %HOMEPATH%\c\Passwords.exe
- from %HOMEPATH%\c\RCX12.tmp to %HOMEPATH%\c\Passwords.exe
- from %HOMEPATH%\c\RCXF.tmp to %HOMEPATH%\c\Porn.exe
- from %HOMEPATH%\c\RCX10.tmp to %HOMEPATH%\c\Passwords.exe
- from %HOMEPATH%\RCX3.tmp to %HOMEPATH%\Porn.exe
- from %HOMEPATH%\RCX4.tmp to %HOMEPATH%\Passwords.exe
- from %HOMEPATH%\RCX1.tmp to %HOMEPATH%\Sexy.exe
- from %HOMEPATH%\RCX2.tmp to %HOMEPATH%\Porn.exe
- from %HOMEPATH%\RCX5.tmp to %HOMEPATH%\Passwords.exe
- from %HOMEPATH%\RCX8.tmp to %HOMEPATH%\Porn.exe
- from %HOMEPATH%\RCX9.tmp to %HOMEPATH%\Porn.exe
- from %HOMEPATH%\RCX6.tmp to %HOMEPATH%\Passwords.exe
- from %HOMEPATH%\RCX7.tmp to %HOMEPATH%\Sexy.exe
Network activity:
Connects to:
- 'ns#.##xonline3.com':7004
- 'ns#.##xonline2.org':7004
- 'ns#.##xonline3.org':7004
- 'ns#.##xonline3.net':7004
- 'ns#.##xonline2.net':7004
- 'ns#.##xonline1.net':7004
- 'ns#.##xonline1.com':7004
- 'ns#.##xonline2.com':7004
- 'ns#.##xonline1.org':7004
UDP:
- DNS ASK ns#.##xonline3.com
- DNS ASK ns#.##xonline2.org
- DNS ASK ns#.##xonline3.org
- DNS ASK ns#.##xonline3.net
- DNS ASK ns#.##xonline2.net
- DNS ASK ns#.##xonline1.net
- DNS ASK ns#.##xonline1.com
- DNS ASK ns#.##xonline2.com
- DNS ASK ns#.##xonline1.org
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'