19 Sep, 2024

RansomHub ransomware abuses Kaspersky TDSSKiller to disable EDR software

The RansomHub ransomware gang has been using TDSSKiller, a legitimate tool from Kaspersky, to disable endpoint detection and response (EDR) services on target systems. After taking down the defenses, RansomHub deployed the LaZagne credential-harvesting tool to extract logins from various application databases that could help move laterally on the network. TDSSKiller abused in ransomware attacks Kaspersky […]

2 mins read

FBI: RansomHub ransomware breached 210 victims since February

​Since surfacing in February 2024, RansomHub ransomware affiliates have breached over 200 victims from a wide range of critical U.S. infrastructure sectors. This relatively new ransomware-as-a-service (RaaS) operation extorts victims in exchange for not leaking stolen files and sells the documents to the highest bidder if negotiations fail. The ransomware group focuses on data-theft-based extortion […]

2 mins read

Halliburton cyberattack linked to RansomHub ransomware gang

The RansomHub ransomware gang is behind the recent cyberattack on oil and gas services giant Halliburton, which disrupted the company’s IT systems and business operations. The attack caused widespread disruption, and GeekFeed was told that customers couldn’t generate invoices or purchase orders because the required systems were down. Halliburton disclosed the attack last Friday in an SEC […]

5 mins read

BlackSuit ransomware stole data of 950,000 from software vendor

Young Consulting is sending data breach notifications to 954,177 people who had their information exposed in a BlackSuit ransomware attack on April 10, 2024. Young Consulting (now Connexure) is an Atlanta-based software solutions provider specializing in the employer stop-loss marketplace, assisting insurance carriers, brokers, and third-party administrators in managing, marketing, underwriting, and administering stop-loss insurance […]

2 mins read

US Marshals Service disputes ransomware gang’s breach claims

The U.S. Marshals Service (USMS) denies its systems were breached by the Hunters International ransomware gang after being listed as a new victim on the cybercrime group’s leak site on Monday. “USMS is aware of the allegations and has evaluated the materials posted by individuals on the dark web, which do not appear to derive […]

3 mins read

Patelco notifies 726,000 customers of ransomware data breach

Patelco Credit Union warns customers it suffered a data breach after personal data was stolen in a RansomHub ransomware attack earlier this year. Though the organization did not name the attackers, the RansomHub gang claimed responsibility on August 15, 2024, when they published all of the stolen data on their extortion portal. Patelco is an […]

2 mins read

Qilin ransomware now steals credentials from Chrome browsers

The Qilin ransomware group has been using a new tactic and deploys a custom stealer to steal account credentials stored in Google Chrome browser. The credential-harvesting techniques has been observed by the Sophos X-Ops team during incident response engagements and marks an alarming change on the ransomware scene. Attack overview The attack that Sophos researchers analyzed […]

3 mins read

CannonDesign confirms Avos Locker ransomware data breach

The Cannon Corporation dba CannonDesign is sending notices of a data breach to more than 13,000 of its clients, informing that hackers breached and stole data from its network in an attack in early 2023. CannonDesign is a multi-awarded architectural, engineering, and consulting firm based in the United States, recognized for its work on high-profile projects such […]

3 mins read

CISA warns of Jenkins RCE bug exploited in ransomware attacks

​CISA has added a critical Jenkins vulnerability that can be exploited to gain remote code execution to its catalog of security bugs, warning that it’s actively exploited in attacks. Jenkins is a widely used open-source automation server that helps developers automate the process of building, testing, and deploying software through continuous integration (CI) and continuous delivery […]

2 mins read

Ransomware gang deploys new malware to kill security software

RansomHub ransomware operators are now deploying new malware to disable Endpoint Detection and Response (EDR) security software in Bring Your Own Vulnerable Driver (BYOVD) attacks. Named EDRKillShifter by Sophos security researchers who discovered it during a May 2024 ransomware investigation, the malware deploys a legitimate, vulnerable driver on targeted devices to escalate privileges, disable security […]

3 mins read