Mail Attachment Builds Ransomware Downloader from Super Mario Image

[Mohammad.Poorya]

A malicious spreadsheet has been discovered that builds a PowerShell command from individual pixels in a downloaded image of Mario from Super Mario Bros. When executed, this command will download and install malware such as the GandCrab Ransomware and other malware.
This attack works when recipients receive an email targeting people from Italy that pretends to be payment notices

Steganographic attacks are not new and are being used more often to avoid detection by security programs. Just recently a malvertising campaign was discovered by Malwarebytes that was utilizing steganography to install a payload hidden in advertising images.

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