Ransomware Double-Dip: Re-Victimization in Cyber Extortion

Between crossovers - Do threat actors play dirty or desperate? In our dataset of over 11,000 victim organizations that have experienced a Cyber Extortion / Ransomware attack, we noticed that some victims re-occur. Consequently, the question arises why we observe a re-victimization and whether or...

A week in security (April 15 – April 21)

Last week on Malwarebytes Labs: Law enforcement reels in phishing-as-a-service whopper Mental health company Cerebral failed to protect sensitive personal data, must pay $7 million Cannabis investment scam JuicyFields ends in 9 arrests Should you share your location with your partner? Giant Tiger...

Akira Ransomware Gang Extorts $42 Million; Now Targets Linux Servers

Threat actors behind the Akira ransomware group have extorted approximately $42 million in illicit proceeds after breaching the networks of more than 250 victims as of January 1, 2024. "Since March 2023, Akira ransomware has impacted a wide range of businesses and critical infrastructure entities...

FIN7 Cybercrime Group Targeting U.S. Auto Industry with Carbanak Backdoor

The infamous cybercrime syndicate known as FIN7 has been linked to a spear-phishing campaign targeting the U.S. automotive industry to deliver a known backdoor called Carbanak aka Anunak. "FIN7 identified employees at the company who worked in the IT department and had higher levels of...

CISA and Partners Release Advisory on Akira Ransomware

Today, CISA, the Federal Bureau of Investigation FBI, Europol’s European Cybercrime Centre EC3, and the Netherlands’ National Cyber Security Centre NCSC-NL released a joint Cybersecurity Advisory CSA, StopRansomware: Akira Ransomware, to disseminate known Akira ransomware tactics, techniques, and...

Recover from Ransomware in 5 Minutes—We will Teach You How!

Super Low RPO with Continuous Data Protection: Dial Back to Just Seconds Before an Attack Zerto, a Hewlett Packard Enterprise company, can help you detect and recover from ransomware in near real-time. This solution leverages continuous data protection CDP to ensure all workloads have the lowest...

LockBit 3.0 Builder Unleashed Custom Ransomware on the Rise

...

Russian APT Deploys New 'Kapeka' Backdoor in Eastern European Attacks

A previously undocumented "flexible" backdoor called Kapeka has been "sporadically" observed in cyber attacks targeting Eastern Europe, including Estonia and Ukraine, since at least mid-2022. The findings come from Finnish cybersecurity firm WithSecure, which attributed the malware to the...

Critical Atlassian Flaw Exploited to Deploy Linux Variant of Cerber Ransomware

Threat actors are exploiting unpatched Atlassian servers to deploy a Linux variant of Cerber aka C3RB3R ransomware. The attacks leverage CVE-2023-22518 CVSS score: 9.1, a critical security vulnerability impacting the Atlassian Confluence Data Center and Server that allows an unauthenticated...

Change Healthcare’s New Ransomware Nightmare Goes From Bad to Worse

A cybercriminal gang called RansomHub claims to be selling highly sensitive patient information stolen from Change Healthcare following a ransomware attack by another group in February...

Using the LockBit builder to generate targeted ransomware

The previous Kaspersky research focused on a detailed analysis of the LockBit 3.0 builder leaked in 2022. Since then, attackers have been able to generate customized versions of the threat according to their needs. This opens up numerous possibilities for malicious actors to make their attacks mo...

A week in security (April 8 – April 14)

Last week on Malwarebytes Labs: How to change your Social Security Number Apple warns people of mercenary attacks via threat notification system How to check if your data was exposed in the AT&T breach Microsoft’s April 2024 Patch Tuesday includes two actively exploited zero-day vulnerabilities H...

Roku Breach Hits 567,000 Users

Plus: Apple warns iPhone users about spyware attacks, CISA issues an emergency directive about a Microsoft breach, and a ransomware hacker tangles with an unimpressed HR manager named Beth...

Change Healthcare Faces Another Ransomware Threat—and It Looks Credible

Change Healthcare ransomware hackers already received a $22 million payment. Now a second group is demanding money, and it has sent WIRED samples of what they claim is the company's stolen data...

TA547 Phishing Attack Hits German Firms with Rhadamanthys Stealer

A threat actor tracked as TA547 has targeted dozens of German organizations with an information stealer called Rhadamanthys as part of an invoice-themed phishing campaign. "This is the first time researchers observed TA547 use Rhadamanthys, an information stealer that is used by multiple...

The LockBit’s Attempt to Stay Relevant, Its Imposters and New Opportunistic Ransomware Groups

The LockBit’s Attempt to Stay Relevant, Its Imposters and New Opportunistic Ransomware Groups By Jambul Tologonov and John Fokker · April 11, 2024 The Trellix Advanced Research Center has recently observed an uptick of LockBit-related cyber activity surrounding vulnerabilities in ScreenConnect...

New ransomware group demands Change Healthcare ransom

The Change Healthcare ransomware attack has taken a third cruel twist. A new ransomware group, RansomHub, has listed the organisation as a victim on its dark web leak site, saying it has 4 TB of "highly selective data," which relates to "all Change Health clients that have sensitive data being...

New ransomware group demands Change Healthcare ransom

The Change Healthcare ransomware attack has taken a third cruel twist. A new ransomware group, RansomHub, has listed the organisation as a victim on its dark web leak site, saying it has 4 TB of "highly selective data," which relates to "all Change Health clients that have sensitive data being...

TIBCO Security Advisory: April 9, 2024 - TIBCO JasperReports Server - CVE-2024-3326

TIBCO JasperReports Server Remote Code Execution RCE vulnerability Original release date: April 09, 2024 Last revised: --- CVE-2024-3326 Source: TIBCO Software Inc. Products Affected TIBCO JasperReports Server versions 8.0.4 and below TIBCO JasperReports Server versions 8.2.0 and below Component...

Active Nitrogen campaign delivered via malicious ads for PuTTY, FileZilla

In the past couple of weeks, we have observed an ongoing campaign targeting system administrators with fraudulent ads for popular system utilities. The malicious ads are displayed as sponsored results on Googles search engine page and localized to North America. Victims are tricked into downloadi...