Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'taeki' = '%HOMEPATH%\taeki.exe /H'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'taeki' = '%HOMEPATH%\taeki.exe /X'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'taeki' = '%HOMEPATH%\taeki.exe /v'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'taeki' = '%HOMEPATH%\taeki.exe /U'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'taeki' = '%HOMEPATH%\taeki.exe /w'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'taeki' = '%HOMEPATH%\taeki.exe /g'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'taeki' = '%HOMEPATH%\taeki.exe /o'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'taeki' = '%HOMEPATH%\taeki.exe /A'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'taeki' = '%HOMEPATH%\taeki.exe /i'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'taeki' = '%HOMEPATH%\taeki.exe /c'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'taeki' = '%HOMEPATH%\taeki.exe /r'
- [<HKLM>\SYSTEM\ControlSet001\Control\Print\Providers\iqhxvnmbpctqiti] 'Name' = '%TEMP%\2.tmp'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'taeki' = '%HOMEPATH%\taeki.exe /S'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'taeki' = '%HOMEPATH%\taeki.exe /Q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'taeki' = '%HOMEPATH%\taeki.exe /m'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'taeki' = '%HOMEPATH%\taeki.exe /J'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'taeki' = '%HOMEPATH%\taeki.exe /P'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'taeki' = '%HOMEPATH%\taeki.exe /E'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'taeki' = '%HOMEPATH%\taeki.exe /L'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'taeki' = '%HOMEPATH%\taeki.exe /Y'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'taeki' = '%HOMEPATH%\taeki.exe /t'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'taeki' = '%HOMEPATH%\taeki.exe /d'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'taeki' = '%HOMEPATH%\taeki.exe /K'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'taeki' = '%HOMEPATH%\taeki.exe /N'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'taeki' = '%HOMEPATH%\taeki.exe /Z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'taeki' = '%HOMEPATH%\taeki.exe /f'
Creates the following files on removable media:
- <Drive name for removable media>:\Pictures.lnk
- <Drive name for removable media>:\Documents.lnk
- <Drive name for removable media>:\Video.lnk
- <Drive name for removable media>:\Music.lnk
- <Drive name for removable media>:\Passwords.lnk
- <Drive name for removable media>:\taeki.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\New Folder.lnk
- <Drive name for removable media>:\taekix.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%\cxcess.exe'
- '%HOMEPATH%\dxcess.exe'
- '%HOMEPATH%\bxcess.exe'
- '%HOMEPATH%\axcess.exe'
- '%HOMEPATH%\taeki.exe'
Executes the following:
- '<SYSTEM32>\cmd.exe' /c ""%HOMEPATH%\a.bat" "
- '<SYSTEM32>\cmd.exe' /c ""%TEMP%\7ZSfx000.cmd" "
- '<SYSTEM32>\tasklist.exe'
- '<SYSTEM32>\svchost.exe'
Injects code into
the following system processes:
- <SYSTEM32>\svchost.exe
- <SYSTEM32>\spoolsv.exe
the following user processes:
- firefox.exe
- iexplore.exe
- safari.exe
- msnmsgr.exe
- ICQ.exe
- YahooMessenger.exe
Searches for windows to
detect programs and games:
- ClassName: 'SkinuxWindow' WindowName: 'MySpaceIM with Skype'
Modifies settings of Windows Internet Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1400' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1601' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] 'currentlevel' = '00000000'
Modifies file system :
Creates the following files:
- %TEMP%\Aqz..bat
- %HOMEPATH%\a.bat
- %TEMP%\1.tmp
- %TEMP%\7ZSfx000.cmd
- %WINDIR%\Temp\3.tmp
- %HOMEPATH%\bxcess.exe
- %HOMEPATH%\axcess.exe
- %HOMEPATH%\cxcess.exe
- %HOMEPATH%\taeki.exe
- %HOMEPATH%\dxcess.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\taeki.exe
- <Drive name for removable media>:\taekix.exe
- %HOMEPATH%\taeki.exe
- <Drive name for removable media>:\autorun.inf
Deletes the following files:
- %TEMP%\2.tmp
- %WINDIR%\Temp\3.tmp
- %TEMP%\7ZSfx000.cmd
- %HOMEPATH%\axcess.exe
- %HOMEPATH%\bxcess.exe
- %HOMEPATH%\cxcess.exe
Moves the following files:
- from %HOMEPATH%\dxcess.exe to %TEMP%\4.tmp
- from %TEMP%\1.tmp to %TEMP%\2.tmp
Deletes itself.
Network activity:
Connects to:
- 'me####taonline.net':80
UDP:
- DNS ASK me####taonline.net
- DNS ASK ya##o.co.jp
- DNS ASK qq.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
