A week in security (February 12 – February 18)

Last week on Malwarebytes Labs: GoldPickaxe Trojan steals your face! Microsoft Exchange vulnerability actively exploited Massive utility scam campaign spreads via online ads Facebook Marketplace users’ stolen data offered for sale How ransomware changed in 2023 Malwarebytes crushes malware all th...

FBI's Most-Wanted Zeus and IcedID Malware Mastermind Pleads Guilty

A Ukrainian national has pleaded guilty in the U.S. to his role in two different malware schemes, Zeus and IcedID, between May 2009 and February 2021. Vyacheslav Igorevich Penchukov aka Vyacheslav Igoravich Andreev, father, and tank, 37, was arrested by Swiss authorities in October 2022 and...

How to Not Get Scammed Out of $50,000

Plus: State-backed hackers test out generative AI, the US takes down a major Russian military botnet, and 100 hospitals in Romania go offline amid a major ransomware attack...

CISA Warning: Akira Ransomware Exploiting Cisco ASA/FTD Vulnerability

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Thursday added a now-patched security flaw impacting Cisco Adaptive Security Appliance ASA and Firepower Threat Defense FTD software to its Known Exploited Vulnerabilities KEV catalog, following reports that it's being likely...

Microsoft Exchange vulnerability actively exploited

As it turns out, there was another actively exploited vulnerability included in Microsoft’s patch Tuesday updates for February. When Microsoft said in its update guide for CVE-2024-21410 that the vulnerability was likely to be exploited by attackers, they weren’t kidding. Soon after they changed...

Why We Must Democratize Cybersecurity

With breaches making the headlines on an almost weekly basis, the cybersecurity challenges we face are becoming visible not only to large enterprises, who have built security capabilities over the years, but also to small to medium businesses and the broader public. While this is creating greater...

Ransomware Reality Check: Deciphering Priorities in a Sea of Cyber Extortion

Welcome to a critical exploration of the 2023 Cyber Vulnerability Landscape, with a specific focus on the escalating threat of ransomware. I have previously shared the broader results we found in evaluating the 2023 threat landscape; this is now a deeper dive into what the data reveals specifical...

Rhysida Ransomware’s Decryptor is Now in Action

Summary: The Rhysida ransomware-as-a-service RaaS group poses a significant global threat, targeting diverse sectors. Recently, an implementation vulnerability in the source code of the Rhysida ransomware has been discovered. By exploiting this vulnerability to reconstruct encryption keys, it...

How ransomware changed in 2023

In 2023, the CL0P ransomware gang broke the scalability barrier and shook the security world with a series of short, automated campaigns, hitting hundreds of unsuspecting targets simultaneously with attacks based on zero-day exploits. The gangs novel approach challenged a bottleneck that makes it...

Bumblebee Malware Returns with New Tricks, Targeting U.S. Businesses

The infamous malware loader and initial access broker known as Bumblebee has resurfaced after a four-month absence as part of a new phishing campaign observed in February 2024. Enterprise security firm Proofpoint said the activity targets organizations in the U.S. with voicemail-themed lures...

RansomHouse am See

RansomHouse am See By Pham Duy Phuc in collaboration with Noël Keijzer and Michaël Schrijver from Northwave · February 14, 2024 This blog was also written by Max Kersten Ransom gangs make big bucks by extorting victims, which sadly isn’t new. Their lucrative business allows them not only to live...

Warzone RAT infrastructure seized

On February 9, 2024, the Justice Department announced that an international operation had seized internet domains that were selling information-stealing malware. Federal authorities in Boston seized www.warzone.ws and three related domains, which sold the Warzone RAT malware. The Warzone RAT...

Ransomware review: February 2024

This article is based on research by Marcelo Rivero, Malwarebytes ransomware specialist, who monitors information published by ransomware gangs on their Dark Web sites. In this report, "known attacks" are those where the victim did not pay a ransom. This provides the best overall picture of...

Ransomware Attack Disrupts Services in 18 Romanian Hospitals

By Deeba Ahmed The cybercrime gang behind the ransomware attack is unknown. This is a post from HackRead.com Read the original post: Ransomware Attack Disrupts Services in 18 Romanian Hospitals...

If only you had to worry about malware, with Jason Haddix: Lock and Code S05E04

Today on the Lock and Code podcast… If your IT and security teams think malware is bad, wait until they learn about everything else. In 2024, the modern cyberattack is a segmented, prolonged, and professional effort, in which specialists create strictly financial alliances to plant malware on...

Rhysida Ransomware Cracked, Free Decryption Tool Released

Cybersecurity researchers have uncovered an "implementation vulnerability" that has made it possible to reconstruct encryption keys and decrypt data locked by Rhysida ransomware. The findings were published last week by a group of researchers from Kookmin University and the Korea Internet and...

Albabat Ransomware Infiltrates via Counter-Strike Cheat Utility

Summary: Albabat ransomware, made its debut in November 2023, emerging as a financially motivated threat crafted in Rust. This ransomware has targeted both corporate entities and individual consumers across diverse geographical regions. Threat Level - Red | Attack Report For a detailed threat...

A week in security (February 5 – February 11)

Last week on Malwarebytes Labs: Ivanti urges customers to patch yet another critical vulnerability Ransomware in 2023 recap: 5 key takeaways FBI and CISA publish guide to Living off the Land techniques Warning from LastPass as fake app found on Apple App Store 2 million job seekers targeted by da...

U.S. Offers $10 Million Bounty for Info Leading to Arrest of Hive Ransomware Leaders

The U.S. Department of State has announced monetary rewards of up to $10 million for information about individuals holding key positions within the Hive ransomware operation. It is also giving away an additional $5 million for specifics that could lead to the arrest and/or conviction of any perso...

Alert: New Stealthy "RustDoor" Backdoor Targeting Apple macOS Devices

Apple macOS users are the target of a new Rust-based backdoor that has been operating under the radar since November 2023. The backdoor, codenamed RustDoor by Bitdefender, has been found to impersonate an update for Microsoft Visual Studio and target both Intel and Arm architectures. The exact...