Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'System32' = '"%APPDATA%\logon.exe"'
- [<HKLM>\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{B6EL7218-42H8-0A3J-FWU4-OUQTC6RJS5G2}] 'StubPath' = 'c:\Microsoft\System_Root.exe Restart'
- [<HKLM>\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{B6EL7218-42H8-0A3J-FWU4-OUQTC6RJS5G2}] 'StubPath' = 'c:\Microsoft\System_Root.exe'
Malicious functions
Injects code into
the following system processes:
- %WINDIR%\syswow64\explorer.exe
Modifies file system
Creates the following files
- %APPDATA%\system_root.exe
- %APPDATA%\application2.exe
- %APPDATA%\logon.exe
- C:\microsoft\system_root.exe
- %TEMP%\user2.txt
- %TEMP%\user7
- %TEMP%\user8
Sets the 'hidden' attribute to the following files
- %APPDATA%\system_root.exe
- %APPDATA%\logon.exe
- C:\microsoft\system_root.exe
Deletes the following files
- %TEMP%\user2.txt
- %TEMP%\user8
- %TEMP%\user7
Substitutes the following files
- %TEMP%\user8
- %TEMP%\user7
Network activity
UDP
- DNS ASK de######ns.servehttp.com
Miscellaneous
Creates and executes the following
- '%APPDATA%\system_root.exe'
- '%APPDATA%\application2.exe'
- 'C:\microsoft\system_root.exe'
Executes the following
- '%WINDIR%\syswow64\explorer.exe'
- '%ProgramFiles(x86)%\internet explorer\iexplore.exe'
