Trusted DesignA sophisticated phishing campaign targets Windows users with fraudulent Bank of America emails, delivering ScreenConnect remote monitoring software as malware. The attack begins with convincing emails mimicking Bank of America branding, directing victims to fake security pages. Windows users receive AccountGuard.zip containing a VBS file with multiple layers of base64-encoded content. The attack chain deploys complex decoding scripts and employs a UAC bypass exploit via ICMLuaUtil COM interface to install ScreenConnect with administrator privileges. Additional components use SDDL and ACLs to hide the installation, prevent uninstallation, and conceal the malicious service. The installed client connects to command-and-control infrastructure in the UAE. Mac users encounter traditional credential phishing pages requesting banking credentials and personal information instead of receiving malware payloads.
Created: 2026-08-05
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