Investigating BlackSuit Ransomware’s Similarities to Royal

In this blog entry, we analyze BlackSuit ransomware and how it compares to Royal Ransomware...

PT-2023-3085

The vulnerable software is Progress MOVEit Transfer, which has a SQL injection vulnerability that allows unauthenticated access to the database. This vulnerability affects versions before 2021.0.6 13.0.6, 2021.1.4 13.1.4, 2022.0.4 14.0.4, 2022.1.5 14.1.5, and 2023.0.1 15.0.1. All versions before...

Why Attackers Target the Gaming Industry

Key Takeaways: The gaming industry is a common target for cyberattacks due to its financial success and vast user base. Volumetric DDoS attacks can disrupt service, distract from more serious attacks, and cause financial damage, especially on sites that offer online multiplayer games or real-time...

Actors, Threats and Vulnerabilities 22 to 28 May 2023

For a detailed threat digest, download the pdf file here Summary HiveForce Labs recently made several significant discoveries related to cybersecurity threats. Over the past week, the fact that there were a total of ten attacks executed, taking advantage of four different vulnerabilities in vario...

Void Rabisu’s Use of RomCom Backdoor Shows a Growing Shift in Threat Actors’ Goals

Void Rabisu, a malicious actor believed to be associated with the RomCom backdoor, was thought to be driven by financial gain because of its ransomware attacks. But in this blog entry, we discuss how the use of the RomCom backdoor in recent attacks shows how Void Rabisu's motives seem to have...

Buhti Ransomware Operation Repurposes Leaked Encryptors

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Buhti ransomware, linked to Blacktail threat actors, employs leaked code of LockBit and Babuk variants. By exploiting vulnerabilities like PaperCut NG, they exfiltrate data and distribute ransomware. The...

AceCryptor: Cybercriminals' Powerful Weapon, Detected in 240K+ Attacks

A crypter alternatively spelled cryptor malware dubbed AceCryptor has been used to pack numerous strains of malware since 2016. Slovak cybersecurity firm ESET said it identified over 240,000 detections of the crypter in its telemetry in 2021 and 2022. This amounts to more than 10,000 hits per...

AceCryptor: Cybercriminals' Powerful Weapon, Detected in 240K+ Attacks

A crypter alternatively spelled cryptor malware dubbed AceCryptor has been used to pack numerous strains of malware since 2016. Slovak cybersecurity firm ESET said it identified over 240,000 detections of the crypter in its telemetry in 2021 and 2022. This amounts to more than 10,000 hits per...

A week in security (May 22-28)

Last week on Malwarebytes Labs: Update now: 9 vulnerabilities impact Cisco Small Business Series ChatGPT: Cybersecurity friend or foe? Webinar recap: EDR vs MDR for business success Identity crisis: How an anti-porn crusade could jam the Internet, featuring Alec Muffett: Lock and Code S04E11...

Threat Roundup for May 19 to May 26

Today, Talos is publishing a glimpse into the most prevalent threats weve observed between May 19 and May 26. As with previous roundups, this post isnt meant to be an in-depth analysis. Instead, this post will summarize the threats weve observed by highlighting key behavioral characteristics,...

Buhti Ransomware Gang Switches Tactics, Utilizes Leaked LockBit and Babuk Code

The threat actors behind the nascent Buhti ransomware have eschewed their custom payload in favor of leaked LockBit and Babuk ransomware families to strike Windows and Linux systems. "While the group doesn't develop its own ransomware, it does utilize what appears to be one custom-developed tool,...

Buhti Ransomware Gang Switches Tactics, Utilizes Leaked LockBit and Babuk Code

The threat actors behind the nascent Buhti ransomware have eschewed their custom payload in favor of leaked LockBit and Babuk ransomware families to strike Windows and Linux systems. "While the group doesn't develop its own ransomware, it does utilize what appears to be one custom-developed tool,...

Iranian Agrius Hackers Targeting Israeli Organizations with Moneybird Ransomware

The Iranian threat actor known as Agrius is leveraging a new ransomware strain called Moneybird in its attacks targeting Israeli organizations. Agrius, also known as Pink Sandstorm formerly Americium, has a track record of staging destructive data-wiping attacks aimed at Israel under the guise of...

Iranian Agrius Hackers Targeting Israeli Organizations with Moneybird Ransomware

The Iranian threat actor known as Agrius is leveraging a new ransomware strain called Moneybird in its attacks targeting Israeli organizations. Agrius, also known as Pink Sandstorm formerly Americium, has a track record of staging destructive data-wiping attacks aimed at Israel under the guise of...

Rheinmetall attacked by BlackBasta ransomware

On Friday May 19, 2023, the German arms producer Rheinmetall acknowledged a cyber-incident at one of its subsidiaries in the private sector. The BlackBasta ransomware group has already claimed responsibility for the attack through its leak-site. Entry for Rheinmetall on BlackBasta leak site...

Tracking down a trojan: An inside look at threat hunting in a corporate network

At Malwarebytes, we talk a lot about the importance of threat hunting for SMBs--and not for no good reason, either. Just consider the fact that, when a threat actor breaches a network, they dont attack right away. The median amount of time between system compromise and detection is 21 days. By th...

CISA updates ransomware guidance

The Cybersecurity and Infrastructure Security Agency CISA has updated its StopRansomware guide to account for the fact that ransomware actors have accelerated their tactics and techniques since the original guide was released in September of 2020. The StopRansomware guide is set up as a one-stop...

Employee guilty of joining ransomware attack on his own company

A 28-year old IT Security Analyst pleaded guilty and will consequently be convicted of blackmail and unauthorized access to a computer with intent to commit other offences. It all started when the UK gene and cell therapy company Oxford BioMedica fell victim to a cybersecurity incident which...

Advanced BlackCat Ransomware Using Triple Extortion Tactics and Signed Kernel Driver

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary The BlackCat ransomware operation is a highly sophisticated and customizable threat targeting corporate environments, featuring advanced encryption, spreading capabilities, and triple extortion tactics. ...

CISA and Partners Update the #StopRansomware Guide, Developed through the Joint Ransomware Task Force (JRTF)

Today, CISA, the Federal Bureau of Investigation FBI, the National Security Agency NSA, and the Multi-State Information Sharing and Analysis Center MS-ISAC published an updated version of the StopRansomware Guide, as ransomware actors have accelerated their tactics and techniques since its initia...