When launched, the Formbook payload injects itself into an existing process with the intention of providing hooks to various available functionalities. While this appears to be the most recent delivery of choice, other mechanisms, such as malicious links, may replace lure documents in some campaigns the choice of distribution method is determined by the operating actor.
The family name is derived specifically from Formbook’s form-grabbing capabilities - it is also known as “Private Balloon.”įormbook is often distributed via phishing emails that contain malicious attachments, which can consist of a macro-enabled lure document such as an Excel spreadsheet, a Word document, a PDF file or an Archive file - including a zip, rar, ace, or iso file containing a payload. Generally, Formbook is classified as an information-stealing and form-grabbing tool that offers keylogging, clipboard data gathering, screen capturing and password grabbing from email clients and browsers, as well as data extraction from HTTP/S forms and requests. These hunting leads are applicable to a variety of endpoint sensors. Given the widespread nature of this activity, the CrowdStrike malware hunting team has gathered information to help security analysts hunt for Formbook activity in their own environments. Recently CrowdStrike® Falcon Intelligence™ observed a significant increase in criminal malware campaigns delivering Formbook payloads. Copyright (c) 2020-2021 Strontic.Formbook is a tool that has been available for purchase from criminal forums for several years - it’s used to steal information from a victim’s environment. Legal Copyright: Microsoft Corporation.Product Name: Microsoft Windows Operating System.For more information about running scripts and setting execution policy, see about_Execution_Policies at You cannot run this script on the current system. Status: The file C:\windows\SysWOW64\wuapp.exe is not digitally signed.File Path: C:\windows\SysWOW64\wuapp.exe.
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