Executive Summary

eSentire, a top global Managed Detection and Response (MDR) security services provider, intercepted and shut down three separate ransomware attacks launched by affiliates of the notorious, Russia-linked LockBit Ransomware Gang. The FBI estimates that the LockBit operators and their affiliates have collected approximately $91 million since the group’s inception, and that is just U.S.…

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In early 2023, the Check Point Incident Response Team (CPIRT) team investigated a malware incident at a European healthcare institution involving a set of tools mentioned in the Avast report in late 2022. The incident was attributed to Camaro Dragon, a Chinese-based espionage threat actor whose activities overlap with activities tracked by different researchers as Mustang Panda and LuminousMoth, whose focus is primarily on Southeast Asian countries and their close peers.…
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By Securonix Threat Labs, Threat Research: D. Iuzvyk, T. Peck, O. Kolesnikov

TL;DR

An unusual attack/phishing campaign delivering malware while using meme-filled code and complex obfuscation methods continues dropping Xworm payloads for the last few months and is still ongoing today.

Intro

For the last few months, an interesting and ongoing attack campaign was identified and tracked by the Securonix Threat Research team.…

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 Executive Summary

On 21st March 2023, EclecticIQ researchers detected a spearphishing email targeting the healthcare industry in Poland. The spoofed email was designed to appear as legitimately sent from a Polish government entity called the National Health Fund (Narodowy Fundusz Zdrowia – NFZ). 

The email contained a malicious Microsoft Excel XLL attachment that can download and execute Vidar Infostealer malware upon user execution.…

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MedusaLocker ransomware has been active since September 2019. MedusaLocker actors typically gain access to victims’ networks by exploiting vulnerabilities in Remote Desktop Protocol (RDP).

Once Threat Actors (TAs) gain access to the network, they encrypt the victim’s data and leave a ransom note with instructions on how victims can communicate with the TAs in every folder while encrypting files.…

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Executive Summary

On January 3, local media reported that a major U.S. city’s housing authority had suffered a ransomware attack. The LockBit ransomware group, which has made false claims in the past, took responsibility for the incident. As of this publication, the housing authority has announced a disruption, but has not elaborated on the nature of the event.…
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Written by Jon DiMaggio.

Table of Contents

I gotta story to tell…

The LockBit ransomware gang is one of the most notorious organized cybercrime syndicates that exists today. The gang is behind attacks targeting private-sector corporations and other high-profile industries worldwide. News and media outlets have documented many LockBit attacks, while security vendors offer technical assessments explaining how each occurred.…

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We analyzed the infection routine used in recent Gootkit loader attacks on the Australian healthcare industry and found that Gootkit leveraged SEO poisoning for its initial access and abused legitimate tools like VLC Media Player.

Known for using search engine optimization (SEO) poisoning for its initial access, Gootkit loader (aka Gootloader) resurfaced in a recent spate of attacks on organizations in the Australian healthcare industry.…

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ITG23 Crypters Highlight Cooperation Between Cybercriminal Groups

cybercriminal group ITG23, also known as Wizard Spider, DEV-0193, or simply the “Trickbot Group”. The results of this research, along with evidence gained from the disclosure of internal ITG23 chat logs (“Contileaks”), provide new insight into the connections and cooperation between prominent cybercriminal groups whose attacks often lead to ransomware.…

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