Ransomware review: October 2023

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...

FBI and CISA Release Update on AvosLocker Advisory

Today, the Federal Bureau of Investigation FBI and the Cybersecurity and Infrastructure Security Agency CISA released a joint Cybersecurity Advisory CSA, StopRansomware: AvosLocker Ransomware Update to disseminate known indicators of compromise IOCs, tactics, techniques, and procedures TTPs, and...

CVE-2023-31096

An issue was discovered in Broadcom LSI PCI-SV92EX Soft Modem Kernel Driver through 2.2.100.1 aka AGRSM64.sys. There is Local Privilege Escalation to SYSTEM via a Stack Overflow in RTLCopyMemory IOCTL 0x1b2150. An attacker can exploit this to elevate privileges from a medium-integrity process to...

Stack overflow

An issue was discovered in Broadcom LSI PCI-SV92EX Soft Modem Kernel Driver through 2.2.100.1 aka AGRSM64.sys. There is Local Privilege Escalation to SYSTEM via a Stack Overflow in RTLCopyMemory IOCTL 0x1b2150. An attacker can exploit this to elevate privileges from a medium-integrity process to...

LostTrust Ransomware Unmasking the Gang Behind the Threat

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary LostTrust ransomware, emerged in September 2023, is a multi-extortion threat related to SFile and Mindware, employing techniques reminiscent of MetaEncryptor, encrypting files, and demanding ransoms. It...

CVE-2023-31096

An issue was discovered in Broadcom LSI PCI-SV92EX Soft Modem Kernel Driver through 2.2.100.1 aka AGRSM64.sys. There is Local Privilege Escalation to SYSTEM via a Stack Overflow in RTLCopyMemory IOCTL 0x1b2150. An attacker can exploit this to elevate privileges from a medium-integrity process to...

CVE-2023-31096

An issue was discovered in Broadcom LSI PCI-SV92EX Soft Modem Kernel Driver through 2.2.100.1 aka AGRSM64.sys. There is Local Privilege Escalation to SYSTEM via a Stack Overflow in RTLCopyMemory IOCTL 0x1b2150. An attacker can exploit this to elevate privileges from a medium-integrity process to...

CVE-2023-31096

CVE-2023-31096 affects Broadcom LSI PCI-SV92EX Soft Modem Kernel Driver (AGRSM64.sys) up to version 2.2.100.1, enabling Local Privilege Escalation to SYSTEM via a stack overflow in RTLCopyMemory (IOCTL 0x1b2150). The issue can bypass kernel protections (AV, PPL) and may be used in BYOVD ransomwar...

MOVEit Vulnerabilities Expose Organizations to Cyberattacks

Threat Level Vulnerability Report For a detailed threat advisory, download the pdf file here Summary Critical SQL Injection vulnerabilities in Progress Softwares MOVEit Transfer product, exploited by Clop ransomware gang since May 2023, led to unauthorized access and data breaches, affecting...

A week in security (October 2 - October 8)

Last week on Malwarebytes Labs: Multi-factor authentication has proven it works, so what are we waiting for? Amazon Prime email scammer snatches defeat from the jaws of victory 2023 MITRE ATT&CK® Evaluation results: Malwarebytes earns high marks for detection, blocks initial malware executions...

Rhysida Ransomware

Rhysida Ransomware By Alexandre Mundo, Max Kersten, and Leandro Velasco · October 9, 2023 New ransomware victims are made every day by ransom gangs with a variety of ransomware malware families, one of which is the Rhysida ransomware family. Within this blog, an anonymised version of an attack by...

Rhysida Ransomware

Rhysida Ransomware By Leandro Velasco · October 9, 2023 This blog was also written by Alexandre Mundo and Max Kersten New ransomware victims are made every day by ransom gangs with a variety of ransomware malware families, one of which is the Rhysida ransomware family. Within this blog, an...

Qakbot-affiliated actors distribute Ransom Knight malware despite infrastructure takedown

The threat actors behind the Qakbot malware have been conducting a campaign since early August 2023 in which they have been distributing Ransom Knight ransomware and the Remcos backdoor via phishing emails. Notably, this activity appeared to begin before the FBI seized Qakbot infrastructure in la...

Sony was attacked by two ransomware operators

On September 25, newcomer ransomware group RansomedVC claimed to have successfully compromised the computer systems of entertainment giant Sony. Then, on October 4, news leaked that Sony had told current and former employees and their family members about another cybersecurity breach that exposed...

Storm-0324: An access for the RaaS Threat Actor (Sangria Tempest)

Storm-0324 to Sangria Tempest Leads to Ransomware Capabilities By Trellix · October 5, 2023 This blog was written by Gurumoorthi Ramanathan Executive Summary: In early July 2023, the threat actor that Microsoft calls “Storm-0324” was observed sending a phishing message through Microsoft Teams...

Storm-0324: An access for the RaaS Threat Actor (Sangria Tempest)

Storm-0324 to Sangria Tempest Leads to Ransomware Capabilities By Gurumoorthi Ramanathan · October 5, 2023 Executive Summary: In early July 2023, the threat actor that Microsoft calls “Storm-0324” was observed sending a phishing message through Microsoft Teams. Storm-0324 is a financially motivat...

Lyca Mobile Suffers Cyber Attack, Investigating Ransomware Possibility

By Waqas Lyca Mobile confirms a cyber attack impacting all markets except the US, Australia, Ukraine, and Tunisia. This is a post from HackRead.com Read the original post: Lyca Mobile Suffers Cyber Attack, Investigating Ransomware Possibility...

Motel One Group’s Swift Response Thwarts Ransomware Attack

By Waqas Europe's Leading Hotel Operator Takes Immediate Action to Protect Customer Data. This is a post from HackRead.com Read the original post: Motel One Groups Swift Response Thwarts Ransomware Attack...

LUCR-3: Scattered Spider Getting SaaS-y in the Cloud

LUCR-3 overlaps with groups such as Scattered Spider, Oktapus, UNC3944, and STORM-0875 and is a financially motivated attacker that leverages the Identity Provider IDP as initial access into an environment with the goal of stealing Intellectual Property IP for extortion. LUCR-3 targets Fortune 20...

Ransomware reinfections on the rise from improper remediation

Attack. Remediate. Repeat? Speak to any organization infiltrated by ransomware--the most dangerous malware in the world--and theyll be blunt: Theyd do anything to avoid getting hit twice. But ransomware attacks have been ramping up in 2023 and reinfections are occurring all over the globe, forcin...