A week in security (January 9—15)

Last week on Malwarebytes Labs: Slack private code on GitHub stolen Crypto-inspired Magecart skimmer surfaces via digital crime haven Security vulnerabilities in major car brands revealed Microsoft ends extended support for Windows 7 and Windows Server 2008 today Pokemon NFT card game malware...

Timely patching is good, but sometimes it's not enough

Ransomware gangs have shown that they can play a long game, so it shouldnt come as a surprise to learn of one prepared to wait months to make use of a compromised system. S-RMs Incident Response team shared details of a campaign attributed to the Lorenz ransomware group that exploited a specific...

Multiple schools hit by Vice Society ransomware attack

The real world impact of cybercrime rears its head once more, with word that 14 schools in the UK have been caught out by ransomware. The schools, attacked by the group known as Vice Society, have had multiple documents leaked online in the wake of the attack. One of the primary schools...

Threat Source newsletter (Jan. 12, 2023): Did ChatGPT write our newsletter?

Welcome to this weeks edition of the Threat Source newsletter. We tried to get ChatGPT to write this weeks newsletter but it was at capacity, so youll have to stick with us for another week. Or maybe thats just what the robots want you to think, you be the judge. The one big thing This week Talos...

5 must-haves for K-12 cybersecurity

Over the years, cyberattacks on K-12 schools and districts have steadily increased, and in 2022 that trend only continued. In the first half of 2022 alone, the education sector saw an average of almost 2,000 attacks every week--a 114% increase compared to two years ago. The tight budgets of many...

Cyberattack halts Royal Mail's overseas post

If youre looking to send letters or parcels outside of the UK using Royal Mail, youll want to hold off for a little while. Royal Mail is suffering from "severe disruption" after an unnamed cyber incident. While no specifics are currently available, Royal Mail has disclosed enough to let us know...

Increasing The Sting of HIVE Ransomware

How malicious actors evade detection and disable defenses for more destructive HIVE Ransomware attacks. Rapid7 routinely conducts research into the wide range of techniques that threat actors use to conduct malicious activity. One objective of this research is to discover new techniques being use...

Maternal & Family Health Services discloses ransomware attack months after discovery

Maternal & Family Health Services MFHS, a nonprofit healthcare giant based in Pennsylvania, said in an advisory and press release that it has suffered a ransomware attack which led to the potential exposure of sensitive data of patients, employees, and vendors. That data includes names, addresses...

3 Ransomware Questions Every Security Leader Should Be Able to Answer

Read about how organizations need microsegmentation to identify and remediate ransomware attacks, and the ransomware questions they need to answer...

A week in security (January 1 - 8)

Last week on Malwarebytes Labs: Why does technology no longer excite us? Lock and Code S04E01 New device? Here's how to safely dispose of your old one LastPass updates security notice with information about a recent incident Okta breached last month, no customers compromised Update VPN Plus Serve...

The Dangers of macOS Ransomware A Closer Look at KeRanger, FileCoder, MacRansom, and EvilQuest

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary MacOS ransomware typically spreads through user-assisted methods such as downloading and running fake or trojanized applications. It can also arrive as a second-stage payload dropped or downloaded by oth...

Microsoft Reveals Tactics Used by 4 Ransomware Families Targeting macOS

Microsoft has shed light on four different ransomware families – KeRanger, FileCoder, MacRansom, and EvilQuest – that are known to impact Apple macOS systems. "While these malware families are old, they exemplify the range of capabilities and malicious behavior possible on the platform," the tech...

LA housing authority is latest LockBit ransomware victim

The Housing Authority of the City of Los Angeles HACLA, established in 1938 to provide affordable housing in Los Angeles, confirmed in a statement that it was a victim of a ransomware cyberattack. This is the second major attack against an agency in LA after the Los Angeles United School District...

Rackspace Confirms Play Ransomware Gang Responsible for Recent Breach

Cloud services provider Rackspace on Thursday confirmed that the ransomware gang known as Play was responsible for last month's breach. The security incident, which took place on December 2, 2022, leveraged a previously unknown security exploit to gain initial access to the Rackspace Hosted...

Threat Source newsletter (Jan. 5, 2023): Digging out of our inboxes

Happy New Year and welcome to this weeks edition of the Threat Source newsletter. We cant tell if its the fog from Lurenes deadly eggnog or dare we say pure rest and relaxation but were still digging out of our inboxes, trying to remember logins, and circle back on all the things we prolonged int...

Unraveling the techniques of Mac ransomware

Ransomware continues to be one of the most prevalent and impactful threats affecting organizations, with attackers constantly evolving their techniques and expanding their tradecraft to cast a wider net of potential targets. This is evident in the range of industries, systems, and platforms...

Unraveling the techniques of Mac ransomware

Ransomware continues to be one of the most prevalent and impactful threats affecting organizations, with attackers constantly evolving their techniques and expanding their tradecraft to cast a wider net of potential targets. This is evident in the range of industries, systems, and platforms...

Year in Review: Rapid7 Cybersecurity Research

Welcome to 2023, a year that sounds so futuristic it is hard to believe it is real. But real it is, and make no mistake, threat actors are still out there, working hard to get into networks the world over. So, at the start of the new year, I am reminded of two particular phrases: Those who do not...

A New Emerging CatB Ransomware Using DLL Hijacking to Evade Detection

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary CatB is a ransomware that uses a technique called DLL hijacking to evade detection. It does this by injecting itself into the Microsoft Distributed Transaction Coordinator MSDTC service, a legitimate...

#StopRansomware: Cuba Ransomware

Summary Actions to take today to mitigate cyber threats from ransomware: • Prioritize remediating known exploited vulnerabilities. • Train users to recognize and report phishing attempts. • Enable and enforce phishing-resistant multifactor authentication. Note: This joint Cybersecurity Advisory C...