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A familiar playbook with a twist: 3AM ransomware actors dropped virtual machine with vishing and Quick Assist

This campaign, observed between November 2024 and January 2025, involved over 55 attempted attacks and at least 15 confirmed incidents. Initial access was achieved through email bombing and vishing, exploiting Microsoft Quick Assist.

Finding Minhook in a sideloading attack – and Sweden too

A sideloading campaign active from late 2023 to early 2024 targeted organisations in East Asia and later Sweden, delivering Cobalt Strike payloads via legitimate Windows executables and malicious DLLs.

Qilin affiliates spear-phish MSP ScreenConnect admin, targeting customers downstream

In January 2025, a phishing email targeting an MSP administrator led to a ransomware attack, with the Qilin ransomware group gaining access to the administrator's credentials and attacking the MSP's customers.

PJobRAT Makes a Comeback, Takes Another Crack at Chat Apps

In the latest campaign, Sophos X-Ops researchers found PJobRAT samples disguising themselves as instant messaging apps. As per their telemetry, all the victims appeared to be based in Taiwan.

Scalable Vector Graphics Files Pose a Novel Phishing Threat

Attackers have been observed using the graphics file format scalable vector graphics (SVG) for this purpose. SVGs contain Extensible Markup Language (XML)-like text instructions to draw resizable, vector-based images on a computer.

Gootloader inside out

The operators of Gootloader continually refine their obfuscation techniques. Sophos X-Ops identified heavily obfuscated scripts, with key capabilities like string decryption and counter loops spread across multiple functions.

Frag Ransomware Exploits Veeam Vulnerability

Frag ransomware allows attackers to choose the percentage of each file to encrypt, potentially to avoid detection or delay file recovery. Files encrypted by Frag are renamed with a .frag extension.

Bengal Cat Lovers in Australia Lured in Google-driven GootLoader Campaign

This new attack campaign uses SEO poisoning to trick users looking for information on Bengal cat ownership laws into downloading malware disguised as relevant information.

PoorTry Windows Driver Deletes Crucial Files to Impairs Windows Computers

The PoorTry Windows driver, originally used to disable EDR solutions, has now evolved into an EDR wiper, deleting crucial files to make system restoration harder. Sophos has confirmed actual EDR wiping attacks in the wild.

Qilin Ransomware Caught Stealing Credentials Stored in Google Chrome

A recent Qilin ransomware attack targeted several endpoints, stealing VPN credentials and Chrome browser data. This attack, detected in July 2024, involved network access through compromised VPN credentials without multi-factor authentication.

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