CrowdStrike is alerting about an unfamiliar threat actor attempting to capitalize on the Falcon Sensor update fiasco to distribute dubious installers targeting German customers as part of a highly targeted campaign. The cybersecurity company said it identified what it described as an unattributed spear-phishing attempt on July 24, 2024, distributing an inauthentic CrowdStrike Crash Reporter installer via a website impersonating an unnamed German entity. The imposter website is said to have been created on July 20, a day after the botched update crashed nearly 9 million Windows devices, causing extensive IT disruptions across the world. "After the user clicks the Download button, the website leverages JavaScript (JS) that masquerades as JQuery v3.7.1 to download and deobfuscate the installer," CrowdStrike's Counter Adversary Operations team said. "The installer contains CrowdStrike branding, German localization, and a password [is] required to continue installing the malware." Specifically, the spear-phishing page featured a download link to a ZIP archive file containing a malicious InnoSetup installer, with the malicious code serving the executable injected into a JavaScript file named "jquery-3.7.1.min.js" in an apparent effort to evade detection. Users who end up launching the bogus installer are then prompted to enter a "Backend-Server" to proceed further. CrowdStrike said it was unable to recover the final payload deployed via the installer. The campaign is assessed to…Read More