FIREFOX.EXE

File Behavior

FIREFOX.EXE has been seen to perform the following behavior:

• Executes a Process
• This Process Deletes Other Processes From Disk
• Creates a TCP port which listens and is available for communication initiated by other computers
• Can make outbound communication to other computers, IM chat rooms and other services using IRC protocols
• Makes outbound connections to other computers using NETBIOSOUT protocols
• Registers a Dynamic Link Library File
• Records/logs what you type on your keyboard
• Modifies of the style sheet within Windows
• This process creates other processes on disk
• Can communicate with other computer systems using HTTP protocols
• Communicates with other computers using FTP connections
• Adds products to the system registry
• Can examine and send Email using POP3 protocols
• The process hooks code into all running processes which could allow it to take control of the system or record keyboard input, mouse activity and screen contents
• Writes to another Process's Virtual Memory (Process Hijacking)
• Deletes Links in the Start Menu
• Adds a Registry Key (RUNONCE) to auto start Programs on system start up
• Enables an In Process Object/Server - Common with DLL Injections
• Adds an ActiveX component changing or modifying the function of your browser
• Deletes an ActiveX component
• Reads your outlook address book
• Adds new menu items in the Internet Explorer Right Click menu
• Executes Processes stored in Temporary Folders
• Terminates Processes
• Uses a Registered MAPI
• Enables the system to use a Communications Proxy Server
• Can communicate with other computers using TCP protocols
• Injects code into other processes
• The Process is packed and/or encrypted using a software packing process
• Modifies Windows Security Policies to restrict/expand User Privileges on the machine
• Modifies System Runtime Policies to limit system usability
• Includes file creation code which could be used to test for interception by security products
• This Process is a file infector which modifies program files to include a copy of the infection
• Adds a Registry Key (RUN) to auto start Programs on system start up
• The Process is polymorphic and can change its structure
• Looks at the contents of the autoexec.bat file
• Reads email address and phone book details
• Uses DNS to retrieve the IP address for web sites

FIREFOX.EXE has been the subject of the following behavior:

• Executed as a Process
• Victim of a Heap Based Buffer Overflow Exploit
• Terminated as a Process
• Has code inserted into its Virtual Memory space by other programs
• Created as a process on disk
• Deleted as a process from disk
• Executed by Internet Explorer
• Changes to the file command map within the registry
• Executed from Temporary Folders
• The process is hooked into all running processes which could allow it to take control of the system or record keyboard input, mouse activity and screen contents
• Created as a new Background Service on the machine
• Registered as a Dynamic Link Library File
• Added as a Registry auto start to load Program on Boot up
• Copied to multiple locations on the system