Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Lass' = '<Full path to file>'
- [<HKLM>\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'svchost.exe' = '<SYSTEM32>\WinDir\svchost.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'svchost.exe' = '<SYSTEM32>\WinDir\svchost.exe'
- [<HKLM>\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run] 'svchost.exe' = '<SYSTEM32>\WinDir\svchost.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'svchost.exe' = '<SYSTEM32>\WinDir\svchost.exe'
- [<HKLM>\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{L3THIRU1-YS4J-IN04-P1IX-Y38A2VEELTMS}] 'StubPath' = '<SYSTEM32>\WinDir\svchost.exe Restart'
- [<HKLM>\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{L3THIRU1-YS4J-IN04-P1IX-Y38A2VEELTMS}] 'StubPath' = '<SYSTEM32>\WinDir\svchost.exe'
Malicious functions
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
- file extensions
Injects code into
the following system processes:
- %WINDIR%\syswow64\explorer.exe
Modifies file system
Creates the following files
- %TEMP%\bot.exe
- <Current directory>\workgroup
- %TEMP%\winz.exe
- %WINDIR%\syswow64\windir\svchost.exe
- %TEMP%\user2.txt
- %APPDATA%\userlog.dat
- %TEMP%\user7
- %TEMP%\user8
Sets the 'hidden' attribute to the following files
- %WINDIR%\syswow64\windir\svchost.exe
- %APPDATA%\userlog.dat
Deletes the following files
- %TEMP%\user2.txt
- %TEMP%\user8
- %TEMP%\user7
Substitutes the following files
- %TEMP%\user8
- %TEMP%\user7
Network activity
UDP
- DNS ASK te####mb.no-ip.biz
Miscellaneous
Creates and executes the following
- '%TEMP%\bot.exe'
- '%TEMP%\winz.exe'
- '%WINDIR%\syswow64\windir\svchost.exe'
Executes the following
- '%WINDIR%\syswow64\explorer.exe'
