LockBit Ransomware Now Targeting Apple macOS Devices

Threat actors behind the LockBit ransomware operation have developed new artifacts that can encrypt files on devices running Apple's macOS operating system. The development, which was reported by the MalwareHunterTeam over the weekend, appears to be the first time a big-game ransomware crew has...

New QBot Banking Trojan Campaign Hijacks Business Emails to Spread Malware

A new QBot malware campaign is leveraging hijacked business correspondence to trick unsuspecting victims into installing the malware, new findings from Kaspersky reveal. The latest activity, which commenced on April 4, 2023, has primarily targeted users in Germany, Argentina, Italy, Algeria, Spai...

Automating Qakbot decode at scale

This is a technical post covering practical methodology to extract configuration data from recent Qakbot samples. In this blog, I will provide some background on Qakbot, then walk through decode themes in an easy to visualize manner. I will then share a Velociraptor artifact to detect and automat...

Uncommon infection methods—part 2

Introduction Although ransomware is still a hot topic on which we will keep on publishing, we also investigate and publish about other threats. Recently we explored the topic of infection methods, including malvertising and malicious downloads. In this blog post, we provide excerpts from the rece...

Cybercriminals Turn to Android Loaders on Dark Web to Evade Google Play Security

Malicious loader programs capable of trojanizing Android applications are being traded on the criminal underground for up to $20,000 as a way to evade Google Play Store defenses. "The most popular application categories to hide malware and unwanted software include cryptocurrency trackers,...

Typhon Reborn Stealer Malware Resurfaces with Advanced Evasion Techniques

The threat actor behind the information-stealing malware known as Typhon Reborn has resurfaced with an updated version V2 that packs in improved capabilities to evade detection and resist analysis. The new version is offered for sale on the criminal underground for $59 per month, $360 per year, o...

Rorschach Ransomware Emerges: Experts Warn of Advanced Evasion Strategies

Cybersecurity researchers have taken the wraps off a previously undocumented ransomware strain called Rorschach that's both sophisticated and fast. "What makes Rorschach stand out from other ransomware strains is its high level of customization and its technically unique features that have not be...

Typhon Reborn V2: Updated stealer features enhanced anti-analysis and evasion capabilities

The developer of the Typhon Reborn information stealer released version 2 V2 in January, which included significant updates to its codebase and improved capabilities. Most notably, the new version features additional anti-analysis and anti-virtual machine VM capabilities to evade detection and ma...

APCLdr - Payload Loader With Evasion Features

Payload Loader With Evasion Features. Features: no crt functions imported indirect syscalls using HellHall api hashing using CRC32 hashing algorithm payload encryption using rc4 - payload is saved in .rsrc Payload injection using APC calls - alertable thread Payload execution using APC - alertabl...

Researchers Shed Light on CatB Ransomware's Evasion Techniques

The threat actors behind the CatB ransomware operation have been observed using a technique called DLL search order hijacking to evade detection and launch the payload. CatB, also referred to as CatB99 and Baxtoy, emerged late last year and is said to be an "evolution or direct rebrand" of anothe...

Chinese and Russian Hackers Using SILKLOADER Malware to Evade Detection

Threat activity clusters affiliated with the Chinese and Russian cybercriminal ecosystems have been observed using a new piece of malware that's designed to load Cobalt Strike onto infected machines. Dubbed SILKLOADER by Finnish cybersecurity company WithSecure, the malware leverages DLL...

DEV-1101 enables high-volume AiTM campaigns with open-source phishing kit

Adversary-in-the-middle AiTM phishing kits are part of an increasing trend that is observed supplanting many other less advanced forms of phishing. AiTM phishing is capable of circumventing multifactor authentication MFA through reverse-proxy functionality. DEV-1101 is an actor tracked by Microso...

DEV-1101 enables high-volume AiTM campaigns with open-source phishing kit

Adversary-in-the-middle AiTM phishing kits are part of an increasing trend that is observed supplanting many other less advanced forms of phishing. AiTM phishing is capable of circumventing multifactor authentication MFA through reverse-proxy functionality. DEV-1101 is an actor tracked by Microso...

Emotet Returns, Now Adopts Binary Padding for Evasion

Following a three-month hiatus, Emotet spam activities resumed in March 2023, when a botnet known as Epoch 4 began delivering malicious documents embedded in Zip files that were attached to the emails...

Experts Identify Fully-Featured Info Stealer and Trojan in Python Package on PyPI

A malicious Python package uploaded to the Python Package Index PyPI has been found to contain a fully-featured information stealer and remote access trojan. The package, named colourfool, was identified by Kroll's Cyber Threat Intelligence team, with the company calling the malware Colour-Blind...

SysUpdate Malware Strikes Again with Linux Version and New Evasion Tactics

The threat actor known as Lucky Mouse has developed a Linux version of a malware toolkit called SysUpdate, expanding on its ability to target devices running the operating system. The oldest version of the updated artifact dates back to July 2022, with the malware incorporating new features...

SysUpdate Malware Strikes Again with Linux Version and New Evasion Tactics

The threat actor known as Lucky Mouse has developed a Linux version of a malware toolkit called SysUpdate, expanding on its ability to target devices running the operating system. The oldest version of the updated artifact dates back to July 2022, with the malware incorporating new features...

New Post-Exploitation Exfiltrator-22 Ransomware Framework Designed to Evade Detection

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary A new post-exploitation framework called EXFILTRATOR-22 a.k.a. EX-22 appears to have been created by a group operating in North, East, or South-East Asia. The group is skilled in defense evasion and...

Fake ROBLOX and Nintendo game cracks drop ChromeLoader malware

By Deeba Ahmed What's worse, in the new campaign, ChromeLoader malware evades detection by security software. This is a post from HackRead.com Read the original post: Fake ROBLOX and Nintendo game cracks drop ChromeLoader malware...

PlugX Trojan Disguised as Legitimate Windows Debugger Tool in Latest Attacks

The PlugX remote access trojan has been observed masquerading as an open source Windows debugger tool called x64dbg in an attempt to circumvent security protections and gain control of a target system. "This file is a legitimate open-source debugger tool for Windows that is generally used to...