Case Study: Emotet Thread Hijacking, an Email Attack Technique

Malicious spam (malspam) pushing Emotet malware is the most common email-based threat, far surpassing other malware families, with only a few other threats coming close. In recent weeks, we have seen significantly more Emotet malspam using a technique called “thread Read More …

GuLoader: Malspam Campaign Installing NetWire RAT

NetWire is a publicly-available RAT that has been used by criminal organizations and other malicious groups since 2012. NetWire is distributed through various campaigns, and we usually see it sent through malicious spam (malspam). GuLoader is a file downloader that was first discovered Read More …

Malspam campaign fakes Google reCAPTCHA images to fool victims

A recently discovered malspam campaign targeting customers of a Polish bank was found using forgeries of Google reCAPTCHA images to fake legitimacy. The banking malware was delivered via phishing emails that purported to seekin confirmation of a recent banking transaction Read More …