Lorenz Ransomware Exploit Mitel VoIP Systems to Breach Business Networks

The operators behind the Lornenz ransomware operation have been observed exploiting a now-patched critical security flaw in Mitel MiVoice Connect to obtain a foothold into target environments for follow-on malicious activities. "Initial malicious activity originated from a Mitel appliance sitting...

The 2022 SANS Top New Attacks and Threats Report Is In, and It's Required Reading

The latest Top New Attacks and Threat Report from the cybersecurity experts at SANS is here — and the findings around cyberthreats, attacks, and best practices to defend against them are as critical for security teams as they've ever been. If you're unfamiliar with the SysAdmin, Audit, Network, a...

Iranian Islamic Revolutionary Guard Corps Affiliated Cyber Actors Exploiting Vulnerabilities for Data Extortion and Disk Encryption for Ransom Operations

CISA, Federal Bureau of Investigation FBI, National Security Agency NSA, U.S. Cyber Command USCC - Cyber National Mission Force CNMF, Department of the Treasury, Australian Cyber Security Centre ACSC, Canadian Centre for Cyber Security CCCS, and United Kingdom’s National Cyber Security Centre NCS...

Lorenz Ransomware Intrusion: How a VoIP Vulnerability Was Leveraged for Initial Access

By Deeba Ahmed According to researchers, the Lorenz ransomware variant targeted an unnamed organization by exploiting MiVoice Connect’s Mitel Service Appliance component. This is a post from HackRead.com Read the original post: Lorenz Ransomware Intrusion: How a VoIP Vulnerability Was Leveraged f...

A week in security (September 5 – 11)

Last week on Malwarebytes Labs: Phishers use verified status as bait for Instagram users Microsoft will disable Basic authentication for Exchange Online in less than a month Zero-day puts a dent in Chrome's mojo Update now! QNAP warns users DeadBolt is exploiting Photo Station vulnerability Don't...

Hackers Target Los Angeles School District With Ransomware

Plus: Albania cuts ties with Iran, claims of a TikTok data breach that didn’t happen, and much more...

U.S. Imposes New Sanctions on Iran Over Cyberattack on Albania

The U.S. Treasury Department on Friday announced sanctions against Iran's Ministry of Intelligence and Security MOIS and its Minister of Intelligence, Esmaeil Khatib, for engaging in cyber-enabled activities against the nation and its allies. "Since at least 2007, the MOIS and its cyber actor...

InterContinental Hotels' booking systems disrupted by cyberattack

In a statement filed at the London Stock Exchange, InterContinental Hotels Group PLC reports that parts of the company's technology systems have been subject to unauthorized activity. The activity significantly disrupted IHG's booking channels and other applications. The InterContinental Hotels...

#StopRansomware: Vice Society

Note: This joint Cybersecurity Advisory CSA is part of an ongoing StopRansomware effort to publish advisories for network defenders that detail various ransomware variants and ransomware threat actors. These StopRansomware advisories include recently and historically observed tactics, techniques,...

#StopRansomware: Vice Society

Summary Actions to take today to mitigate cyber threats from ransomware: • Prioritize and remediate known exploited vulnerabilities. • Train users to recognize and report phishing attempts. • Enable and enforce multifactor authentication. Note: This joint Cybersecurity Advisory CSA is part of an...

Ransomware review: August 2022

Malwarebytes Threat Intelligence builds a monthly picture of ransomware activity by monitoring the information published by ransomware gangs on their Dark Web leak sites. This information represents victims who were successfully attacked but opted not to pay a ransom. As expected, LockBit remaine...

CVE-2022-27593 DeadBolt Ransomware

An externally controlled reference to a resource vulnerability has been reported to affect QNAP NAS running Photo Station. If exploited, This could allow an attacker to modify system files. We have already fixed the vulnerability in the following versions: QTS 5.0.1: Photo Station 6.1.2 and later...

Microsoft Warns of Ransomware Attacks by Iranian Phosphorus Hacker Group

Microsoft's threat intelligence division on Wednesday assessed that a subgroup of the Iranian threat actor tracked as Phosphorus is conducting ransomware attacks as a "form of moonlighting" for personal gain. The tech giant, which is monitoring the activity cluster under the moniker DEV-0270 aka...

QNAP Systems Photo Station 安全漏洞

QNAP Systems Photo Station is an online photo album from QNAP Systems. It is used to organize multimedia content photos and videos on Qnap Nas. A security vulnerability in QNAP Systems Photo Station can be exploited by an attacker to execute DeadBolt ransomware campaigns affecting the following...

QNAP Photo Station Externally Controlled Reference Vulnerability

Certain QNAP NAS running Photo Station with internet exposure contain an externally controlled reference to a resource vulnerability which can allow an attacker to modify system files. This vulnerability was observed being utilized in a Deadbolt ransomware campaign...

Profiling DEV-0270: PHOSPHORUS’ ransomware operations

Microsoft threat intelligence teams have been tracking multiple ransomware campaigns and have tied these attacks to DEV-0270, also known as Nemesis Kitten, a sub-group of Iranian actor PHOSPHORUS. Microsoft assesses with moderate confidence that DEV-0270 conducts malicious network operations,...

Profiling DEV-0270: PHOSPHORUS’ ransomware operations

Microsoft threat intelligence teams have been tracking multiple ransomware campaigns and have tied these attacks to DEV-0270, also known as Nemesis Kitten, a sub-group of Iranian actor PHOSPHORUS. Microsoft assesses with moderate confidence that DEV-0270 conducts malicious network operations,...

Multiple ransomware data leak sites experience DDoS attacks, facing intermittent outages and connectivity issues

By Azim Khodjibaev, Colin Grady, Paul Eubanks. Since Aug. 20, 2022, Cisco Talos has been monitoring suspected distributed denial-of-service DDoS attacks resulting in intermittent downtime and outages affecting several ransomware-as-a-service RaaS data leak sites. While the source and origin of th...

Vice Society actors target K-12 institutions in US

Threat Level Actor Report For a detailed threat advisory, download the pdf file here Summary Vice Society is an extortion hacking group that emerged in the summer of 2021. The Vice Society does not use a specific ransomware variant. Instead, they used variants of Hello Kitty, Five Hands, and...

Some Members of Conti Group Targeting Ukraine in Financially Motivated Attacks

Former members of the Conti cybercrime cartel have been implicated in five different campaigns targeting Ukraine from April to August 2022. The findings, which come from Google's Threat Analysis Group TAG, builds upon a prior report published in July 2022 detailing the continued cyber activity...