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Malware

More Than Just a RAT: Unveiling NjRAT's MBR Wiping Capabilities

NjRAT (also known as Bladabindi) malware is a Remote Access Trojan (RAT) that was first discovered in 2012. This malware strain has persisted in the threat landscape up to the present day, most recently earning notoriety for its active campaigns against agencies and organizations located in the Middle East and North Africa. Upon successful infiltration into a target host or system, NjRAT can allow the attacker to remotely access and exercise control over the compromised system.

September Sees a 32% Increase in the Number of Ransomware Attacks in Just One Month

Continued analysis of ransomware attacks shows an upward trend in the number of attacks, with September resulting in the highest number of assaults so far this year. IT security vendor NCC Group’s Cyber Threat Intelligence Report for September 2023 shows some startling revelations about why ransomware attacks are spiking.

NoEscape Ransomware, AvosLocker Ransomware, Retch Ransomware, S-H-O Ransomware and More: Hacker's Playbook Threat Coverage Round-up: October 31st, 2023

In this version of the Hacker’s Playbook Threat Coverage round-up, we are highlighting newly added coverage for several recently discovered or analyzed ransomware and malware variants, including NoEscape ransomware, AvosLocker ransomware, and Retch ransomware, amongst others. SafeBreach customers can select and run these attacks and more from the SafeBreach Hacker’s Playbook™ to ensure coverage against these advanced threats.

Cloud Threats Memo: Multiple DarkGate Loader Campaigns Exploiting Legitimate Cloud Services

DarkGate Loader is a commodity malware loader with multiple features including the ability to download and execute files to memory, a Hidden Virtual Network Computing (HVNC) module, keylogging, information-stealing capabilities, and privilege escalation. Its distribution mechanism also makes use of legitimate AutoIt files to inject the malicious payload.

Phony Corsair job vacancy targets LinkedIn users with DarkGate malware

Job hunters should be on their guard. Researchers at security firm WithSecure have described how fake job opportunities are being posted on LinkedIn with the intent of spreading malware. A Vietnamese cybercrime gang is being blamed for a malware campaign that has seen bogus adverts posted on LinkedIn, pretending to be related to jobs at computer memory and gaming accessories firm Corsair.

Protecting Users from Malicious Sites with Falcon for Mobile

Today, mobile devices are ubiquitous within enterprise environments. But with their proliferation, it provides adversaries with yet another attack surface with which they can target users and cause a breach. From phishing attacks to malicious apps, mobile users tend to let their guard down and potentially click on obfuscated links to malicious sites. Falcon for Mobile protects users by preventing connections to malicious sites on both iOS and Android devices.

Netskope Threat Coverage: Menorah

In October 2023, Netskope analyzed a malicious Word document and the malware it contained, dubbed “Menorah.” The malware was attributed to an advanced persistent threat group APT34, and was reported to be distributed via spear-phishing. The malicious Office file uses dispersed and obfuscated VBA code to evade detection. The advanced persistent threat group targets users of outdated versions of Microsoft Office, since it does not attempt to bypass the mark of the web security check.

Radiology and Oncology Clinic, Akumin, Suffers Ransomware Attack

Akumin is a radiology and oncology clinic based in Florida with multiple locations. Last week, three of their South Florida locations shut down their computer systems to hobble a ransomware cyberattack. The downtime significantly impacted the three clinics, as the doctors could not complete patient assessments. Recent patients in the area should consider protective monitoring services to help mitigate potential outcomes from the attack.