Tag: INITIAL ACCESS

In a concerning development within the healthcare sector, Huntress has identified a series of unauthorized access that signifies internal reconnaissance and preparation for additional threat actor activity against multiple healthcare organizations. 

The attackers abused a locally hosted instance of a widely-used remote access tool, ScreenConnect—utilized by the company Transaction Data Systems (which recently merged with and was renamed Outcomes), the makers of Rx30 and ComputerRx software — for initial access to victim organizations.…

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In late 2022, Mandiant responded to a disruptive cyber physical incident in which the Russia-linked threat actor Sandworm targeted a Ukrainian critical infrastructure organization. This incident was a multi-event cyber attack that leveraged a novel technique for impacting industrial control systems (ICS) / operational technology (OT).…

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This post is also available in: 日本語 (Japanese)

Executive Summary

Unit 42 researchers have identified an active campaign we are calling EleKtra-Leak, which performs automated targeting of exposed identity and access management (IAM) credentials within public GitHub repositories. AWS detects and auto-remediates much of the threat of exposed credentials in popular source code repositories by applying a special quarantine policy — but by manually removing that automatic protection, we were able to develop deeper insights into the activities that the actor would carry out in the case where compromised credentials are obtained in some other way.…

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The contents of this blog post were originally scheduled to be presented during an upcoming cybersecurity conference. However, interest in this topic has heightened due to the war in Israel and a suspected ongoing attack against Israeli targets. As such, we have decided to publish the relevant findings from the presentation now.…

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CrowdStrike Counter Adversary Operations has been investigating a series of cyberattacks and strategic web compromise (SWC) operations targeting organizations in the transportation, logistics and technology sectors that occurred in October 2023. Based on a detailed examination of the malicious tooling used in these attacks, along with additional reporting and industry reports, CrowdStrike Intelligence attributes this activity to the IMPERIAL KITTEN adversary.…

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AhnLab Security Emergency response Center (ASEC) has recently discovered the active distribution of the Phobos ransomware. Phobos is a variant known for sharing technical and operational similarities with the Dharma and CrySis ransomware. These ransomware strains typically target externally exposed Remote Desktop Protocol (RDP) services with vulnerable securities as attack vectors.…

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Estimated reading time: 13 minutes

SEQRITE Labs APT-Team has discovered multiple campaigns of APT SideCopy, targeting Indian government and defense entities in the past few months. The threat group is now exploiting the recent WinRAR vulnerability CVE-2023-38831 (See our advisory for more details) to deploy AllaKore RAT, DRat and additional payloads.…

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Researchers recently identified a fresh Gootloader malware variant known as “GootBot,” used in SEO poisoning attacks. This variant introduces features that enable threat actors to move laterally within infected systems, and make it challenging for organizations to detect or block.

Gootloader has predominantly served as an initial access provider, with certain infections leading to ransomware incidents.…

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Published On : 2023-11-03

EXECUTIVE SUMMARY

At CYFIRMA, our mission is to equip you with the most cutting-edge insights into the evolving landscape of cybersecurity threats, both targeting organizations and individuals. Our research team identified a new RAT on GitHub, available for purchase. This in-depth report investigates the Millenium-RAT, particularly version 2.4; a Win32 executable built on .NET.…

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Unveiling the Dark Side: A Deep Dive into Active Ransomware Families Author: Ross Inman (@rdi_x64) Introduction

Our technical experts have written a blog series focused on Tactics, Techniques and Procedures (TTP’s) deployed by four ransomware families recently observed during NCC Group’s incident response engagements.  

In case you missed it, last time we analysed an Incident Response engagement involving BlackCat Ransomware.…

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Research led by Ferdous Saljooki.

Background

Jamf Threat Labs has identified a new malware variant attributed to the BlueNoroff APT group. BlueNoroff’s campaigns are financially motivated, frequently targeting cryptocurrency exchanges, venture capital firms and banks. During our routine threat hunting, we discovered a Mach-O universal binary communicating with a domain that Jamf has previously classified as malicious.…

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Adversaries don’t work 9-5 and neither do we. At eSentire, our 24/7 SOCs are staffed with Elite Threat Hunters and Cyber Analysts who hunt, investigate, contain and respond to threats within minutes.

We have discovered some of the most dangerous threats and nation state attacks in our space – including the Kaseya MSP breach and the more_eggs malware.…

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This post is also available in: 日本語 (Japanese)

Executive Summary

Unit 42 researchers have investigated a series of destructive cyberattacks beginning in January 2023 and continuing as recently as October 2023, targeting the education and technology sectors in Israel.

The attacks are characterized by attempts to steal sensitive data, such as personally identifiable information (PII) and intellectual property.…

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Researchers from Aqua Nautilus have successfully intercepted Kinsing’s experimental incursions into cloud environments. Utilizing a rudimentary yet typical PHPUnit vulnerability exploit attack, a component of Kinsing’s ongoing campaign, we have uncovered the threat actor’s manual efforts to manipulate the Looney Tunables vulnerability (CVE-2023-4911). This marks the first documented instance of such an exploit, to the best of our knowledge.…

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Introduction

On October 11, 2023, the Cybersecurity and Infrastructure Security Agency (CISA) published an advisory for AvosLocker, which was a sophisticated double extortion Ransomware-as-a-Service (RaaS) group that was last observed being active in May 2023. Our research team put this report together so the security community can learn how to counteract other threats that employ similar tactics and procedures (TTPs). …

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