Cybercrime & Digital Threats

Through investigation of recent cases, we have amassed more information on how Nefilim ransomware operates. Some notable updates are the use of other tools and the description of events that occur within the attack phases.

PowerShell's ubiquity has made it one of the most common tools cybercriminals abuse to perpetrate attacks and deliver fileless malware to systems. Here's how to track and defend against them.

We have come across a PowerShell script (mailer script) that distributes the Lemon Duck cryptominer through a new propagation method: Covid-19-themed emails with weaponized attachments.

An Investigation into the Current Condition of Underground Markets and Cybercriminal Forums

We have seen events that point to the resurgence of Qakbot, a multi-component, information-stealing threat first discovered in 2007.

A phishing site was found using a spoofed Netflix page to harvest account information, credit card credentials, and other PII.

A spam campaign using emails that have Excel file (.xls) attachments has been seen circulating and targeting users in Italy.

Cybercriminals are using credential phishing sites to trick users into entering their credentials into fake login pages of email and collaboration platforms and videoconferencing apps.

Many attackers are switching from file-based malware to memory-based attacks to improve their stealth. “Fileless,” “zero-footprint,” or “living off the land” threats use legitimate applications to carry out malicious activities.