During a recent hunt, Qualys Threat Research has come across a ransomware family known as Phobos, impersonating VX-Underground. Phobos ransomware has been knocking on our door since early 2019 and is often seen being distributed via stolen Remote Desktop Protocol (RDP) connections. Strongly believed to be closely tied to the preceding Dharma malware, Phobos usually operates as a Ransomware-as-a-Service (RaaS) threat model.…
Tag: COLLECTION
[Update] February 01, 2024: U.S. Government Actions Against Volt Typhoon
As cyber currents ebb and flow, a storm named Volt Typhoon surges from the digital depths. This isn’t your typical tempest from the sea but a state-sponsored maelstrom with a tendency for espionage. Volt Typhoon, believed to be backed by the Chinese government, stands out for its sophisticated tactics and high-profile targets.…
By Ernesto Fernández Provecho, Pham Duy Phuc, Ciana Driscoll and Vinoo Thomas · November 21, 2023
On September 2023, the Trellix Security Operations Center (SOC) successfully detected and stopped an attack against Musarubra, the holding company for Trellix and Skyhigh Security, involving an emerging malware family named DarkGate.…
Recent postsHomeMalware Analysis
XWorm Malware: Exploring C&C Communication
Read More In this article, our guest author Igal Lytzki (0xToxin on Twitter) will explore and understand the dynamics occurring when a successful connection is established between the XWorm operating server and a user who has fallen victim to executing this malware. …
Authors: Shilpesh Trivedi and Nisarga C M
In April 2023, the cybersecurity community faced a significant challenge with the discovery of CVE-2023-38831, a vulnerability affecting versions of WinRAR prior to 6.23. This security flaw has become a critical concern due to its exploitation by various advanced persistent threat (APT) groups, who have used it to gain control of victim systems through deceptive methods.…
Cisco Talos recently identified the most prolific Phobos variants, common affiliate tactics, techniques and procedures (TTPs), and characteristics of the Phobos affiliate structure, based on observed Phobos activity and analysis of over 1,000 Phobos samples from VirusTotal dating back to 2019.
We assess with moderate confidence Eking, Eight, Elbie, Devos and Faust are the most common Phobos variants, as they appeared most frequently across the samples we analyzed. …
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SUMMARY
Read More Note: This joint Cybersecurity Advisory (CSA) is part of an ongoing #StopRansomware effort to publish advisories for network defenders detailing various ransomware variants and ransomware threat actors. These #StopRansomware advisories include recently and historically observed tactics, techniques, and procedures (TTPs) and indicators of compromise (IOCs) to help organizations protect against ransomware.…
Dark Pink TTPs
Dark Pink Toolset
Read More Dark Pink employs a variety of tools and custom-built malicious software designed for data theft and espionage. Their specialized toolkit comprises:
Cucky: A straightforward custom information stealer coded in .NET. It is proficient in extracting passwords, browsing history, login credentials, and cookies from a range of web browsers targeted by the group.…
Key takeaways From July through October 2023, Proofpoint researchers observed TA402 engage in phishing campaigns that delivered a new initial access downloader dubbed IronWind. The downloader was followed by additional stages that consisted of downloaded shellcode.
During the same period, TA402 adjusted its delivery methods, moving from using Dropbox links to using XLL and RAR file attachments, likely to evade detection efforts. …
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Unveiling the Dark Side: A Deep Dive into Active Ransomware Families
Author: Molly Dewis
Intro
Read More 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, our last post analysed an Incident Response engagement involving the D0nut extortion group.…
Overview
Read More In 2022, NSFOCUS Research Labs revealed a large-scale APT attack campaign called DarkCasino and identified an active and dangerous aggressive threat actor. By continuously tracking and in-depth study of the attacker’s activities, NSFOCUS Research Labs has ruled out its link with known APT groups, confirmed its high-level persistent threat nature, and following the operational name, named this APT group DarkCasino.…
UPDATE (November 13th, 2023): The website has removed the “DOWNLOAD APP” button, although the malicious app is still hosted on its servers.
ESET researchers have identified what appears to be a watering-hole attack on a regional news website that delivers news about Gilgit-Baltistan, a disputed region administered by Pakistan.…
Spammers are exploiting the “Release scores” feature of Google Forms quizzes to deliver email.
The emails originate from Google’s own servers and consequently may have an easier time bypassing anti-spam protections and finding the victim’s inbox.
Volumes of these messages hovered near noise levels but have recently spiked into the hundreds.…
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SUMMARY
Read More Update November 13, 2023
This CSA is being re-released to add new TTPs, IOCs, and information related to Royal Ransomware activity.
End of Update
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.…
Stealc is an information stealer advertised by its presumed developer Plymouth on Russian-speaking underground forums and sold as a Malware-as-a-Service since January 9, 2023. According to Plymouth’s statement, Stealc is a non-resident stealer with flexible data collection settings, and its development relies on other prominent stealers: Vidar, Raccoon, Mars, and Redline
Stealc exhibits the ability to exfiltrate a wide range of data from the victim machine.…
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.…
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.…
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.…
Published On : 2023-11-03
EXECUTIVE SUMMARYAt 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.…
Published On : 2023-11-03
Ransomware of the WeekCYFIRMA Research and Advisory Team would like to highlight ransomware trends and insights gathered while monitoring various forums. This includes multiple – industries, geography, and technology – which could be relevant to your organization.
Type: Ransomware.Target Technologies: MS Windows.…