How Ransomware Is Delivered and How to Prevent Attacks

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North Korean Hackers Team Up with Play Ransomware in Global Attack

State-Sponsored Espionage Meets Ransomware!...

North Korean Group Collaborates with Play Ransomware in Significant Cyber Attack

Threat actors linked to North Korea have been implicated in a recent incident that deployed a known ransomware family called Play, underscoring their financial motivations. The activity, observed between May and September 2024, has been attributed to a threat actor tracked as Jumpy Pisces , which...

Change Healthcare Breach Hits 100M Americans

Change Healthcare says it has notified approximately 100 million Americans that their personal, financial and healthcare records may have been stolen in a February 2024 ransomware attack that caused the largest ever known data breach of protected health information. Image: Tamer Tuncay,...

Dutch Police Disrupt Major Info Stealers RedLine and MetaStealer in Operation Magnus

The Dutch National Police, along with international partners, have announced the disruption of the infrastructure powering two information stealers tracked as RedLine and MetaStealer. The takedown, which took place on October 28, 2024, is the result of an international law enforcement task force...

Russian Court Jails Four REvil Ransomware Gang Members

Four members of the notorious REvil ransomware group have been sentenced to prison terms in Russia. This development…...

A week in security (October 21 – October 27)

Last week on Malwarebytes Labs: 100 million US citizens officially impacted by Change Healthcare data breach Pinterest tracks users without consent, alleges complaint After concerns of handing Facebook taxpayer info, four companies found to have improperly shared data LinkedIn bots and spear...

CyberPanel Multi CVE Pre-auth RCE

This module exploits three separate unauthenticated Remote Code Execution vulnerabilities in CyberPanel: - CVE-2024-51567: Command injection vulnerability in the "upgrademysqlstatus" endpoint. - CVE-2024-51568: Command Injection via the "completePath" parameter in the "outputExecutioner" sink. -...

Four REvil Ransomware Members Sentenced in Rare Russian Cybercrime Convictions

Four members of the now-defunct REvil ransomware operation have been sentenced to several years in prison in Russia, marking one of the rare instances where cybercriminals from the country have been convicted of hacking and money laundering charges. Russian news publication Kommersant reported th...

100 million US citizens officially impacted by Change Healthcare data breach

In April, we reported that a “substantial proportion” of Americans may have had their health and personal data stolen in the Change Healthcare breach. That was based on a report provided by the UnitedHealth Group after the February cyberattack on its subsidiary Change Healthcare. The attack on...

New Qilin.B Ransomware Variant Emerges with Improved Encryption and Evasion Tactics

Cybersecurity researchers have discovered an advanced version of the Qilin ransomware sporting increased sophistication and tactics to evade detection. The new variant is being tracked by cybersecurity firm Halcyon under the moniker Qilin.B. "Notably, Qilin.B now supports AES-256-CTR encryption f...

Why Phishing-Resistant MFA Is No Longer Optional: The Hidden Risks of Legacy MFA

Sometimes, it turns out that the answers we struggled so hard to find were sitting right in front of us for so long that we somehow overlooked them. When the Department of Homeland Security, through the Cybersecurity and Infrastructure Security Agency CISA, in coordination with the FBI, issues a...

Talos IR trends Q3 2024: Identity-based operations loom large

Threat actors are increasingly conducting identity-based attacks across a range of operations that are proving highly effective, with credential theft being the main goal in a quarter of incident response engagements. These attacks were primarily facilitated by living-off-the-land binaries LoLBin...

Ransomware Gangs Use LockBit's Fame to Intimidate Victims in Latest Attacks

Threat actors have been observed abusing Amazon S3 Simple Storage Service Transfer Acceleration feature as part of ransomware attacks designed to exfiltrate victim data and upload them to S3 buckets under their control. "Attempts were made to disguise the Golang ransomware as the notorious LockBi...

Akira ransomware continues to evolve

Akira continues to cement its position as one of the most prevalent ransomware operations in the threat landscape, according to Cisco Talos' findings and analysis. Their success is partly due to the fact that they are constantly evolving. For example, after Akira already developed a new version o...

A week in security (October 14 – October 20)

Last week on Malwarebytes Labs: Unauthorized data access vulnerability in macOS is detailed by Microsoft 23andMe will retain your genetic information, even if you delete the account "Nudify" deepfake bots remove clothes from victims in minutes, and millions are using them Tor Browser and Firefox...

Crypt Ghouls Targets Russian Firms with LockBit 3.0 and Babuk Ransomware Attacks

A nascent threat actor known as Crypt Ghouls has been linked to a set of cyber attacks targeting Russian businesses and government agencies with ransomware with the twin goals of disrupting business operations and financial gain. "The group under review has a toolkit that includes utilities such ...

Analysis of the Crypt Ghouls group: continuing the investigation into a series of attacks on Russia

Last December, we discovered a new group targeting Russian businesses and government agencies with ransomware. Further investigation into this group's activity suggests a connection to other groups currently targeting Russia. We have seen overlaps not only in indicators of compromise and tools, b...

Russian RomCom Attacks Target Ukrainian Government with New SingleCamper RAT Variant

The Russian threat actor known as RomCom has been linked to a new wave of cyber attacks aimed at Ukrainian government agencies and unknown Polish entities since at least late 2023. The intrusions are characterized by the use of a variant of the RomCom RAT dubbed SingleCamper aka SnipBot or RomCom...

Researchers Uncover Cicada3301 Ransomware Operations and Its Affiliate Program

Cybersecurity researchers have gleaned additional insights into a nascent ransomware-as-a-service RaaS called Cicada3301 after successfully gaining access to the group's affiliate panel on the dark web. Singapore-headquartered Group-IB said it contacted the threat actor behind the Cicada3301...