Published On : 2023-04-10
EXECUTIVE SUMMARYResearch team at CYFIRMA has recently identified and published a report on a new European threat actor group called FusionCore. The group operates Malware-as-a-service and hacker- for-hire operations. They offer a variety of tools and services on their website to purchase cost- effective yet customizable malware.…
Cl0p Ransomware Victim Count Continues to Climb at an Alarming Rate
In 2019, Cl0p Ransomware surfaced as a Ransomware-as-a-Service (RaaS) model and became notorious due to its advanced techniques. Its main target was larger organizations with an annual income of USD 5 million or higher. The Threat Actors (TAs) infiltrate the targeted systems and encrypt the files, demanding a ransom to be paid in exchange for the decryption key.…
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.…
By Securonix Threat Labs, Threat Research: D. Iuzvyk, T. Peck, O. Kolesnikov
TL;DRToday ransomware continues to gain traction and organizations are faced with a barrage of constantly evolving tactics. There are however, several tried-and-true methods of detection or indicators of compromise (IoCs) that many ransomware variants have been using for years with no sign of letting up, relying on the fact that new users will fall for the same old tricks.…
The ASEC analysis team has recently discovered the distribution of Paradise ransomware. The threat actors are suspected to be utilizing a vulnerability exploitation of the Chinese remote control program AweSun. In the past, the team also found and covered the distribution of Sliver C2 and BYOVD through a Sunlogin vulnerability, a remote control program developed in China.…
Resecurity® has identified a relatively new ransomware family called “Nevada Ransomware”. The actors behind this new project have an affiliate platform first introduced on the RAMP underground community, which is known for initial access brokers (IABs) and other cybercriminal actors and ransomware groups. On February 1st (2023), the operators behind the project updated and significantly improved the functionality of the locker for Windows and Linux/ESXi, and distributed new builds for their affiliates which have been analyzed by our malware intelligence team.…
In this blog entry, we’d like to highlight our findings on Vice Society, which includes an end-to-end infection diagram that we were able to create using Trend Micro internal telemetry.
Updated on January 26, 2023 to remove references to Kape Tool and to remove Trend Micro Apex One from the list of programs that the ransomware disables.…
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.…
On a bi-weekly basis, FortiGuard Labs gathers data on ransomware variants of interest that have been gaining traction within our datasets and the OSINT community. The Ransomware Roundup report provides readers with brief insights into the evolving ransomware landscape and the Fortinet solutions that protect against those variants.…
First identified in June 2021, Vice Society is a well-resourced ransomware group that has successfully breached various types of organizations.…
We found samples of the Raspberry Robin malware spreading in telecommunications and government office systems beginning September. The main payload itself is packed with more than 10 layers for obfuscation and is capable of delivering a fake payload once it detects sandboxing and security analytics tools.…
This year, various ransomware-as-a-service groups have developed versions of their ransomware in Rust, including Agenda. Agenda’s Rust variant has targeted vital industries like its Go counterpart. In this blog, we will discuss how the Rust variant works.
This year, ransomware-as-a-service (RaaS) groups like BlackCat, Hive, and RansomExx have developed versions of their ransomware in Rust, a cross-platform language that makes it easier to tailor malware to different operating systems like Windows and Linux.…
On December 1, 2022, CISA and FBI released a joint Cybersecurity Advisory (CSA) on Cuba ransomware [1]. Security researchers have track downed a new variant of the Cuba ransomware as Tropical Scorpius. This Cuba ransomware group mainly targets manufacturing, professional and legal services, financial services, construction, high technology, and healthcare sectors [2].…
Ransomware is one of the most critical cybersecurity problems on the internet and possibly the most powerful form of cybercrime plaguing organizations today. It has rapidly become one of the most important and profitable malware families among Threat Actors (TAs). In a typical scenario, the ransomware infection starts with the TA gaining access to the target system.…
Summary
Actions to Take Today to Mitigate Cyber Threats from Ransomware:
• Prioritize remediating known exploited vulnerabilities.• Enable and enforce multifactor authentication with strong passwords• Close unused ports and remove any application not deemed necessary for day-to-day operations.
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.…
Venus ransomware has been launching data encryption attacks across the globe since at least August 2022. Last week, the Health Sector Cybersecurity Coordination Center issued an advisory stating that at least one healthcare entity in the United States had fallen victim to Venus ransomware, prompting wider warnings for healthcare and other organizations to be on their guard.…
By Antonio Cocomazzi and Antonio Pirozzi
Executive Summary SentinelLabs researchers describe Black Basta operational TTPs in full detail, revealing previously unknown tools and techniques. SentinelLabs assesses it is highly likely the Black Basta ransomware operation has ties with FIN7. Black Basta maintains and deploys custom tools, including EDR evasion tools.…April 2023 update – Microsoft Threat Intelligence has shifted to a new threat actor naming taxonomy aligned around the theme of weather.
DEV-0206 is now tracked as Mustard Tempest DEV-0243 is now tracked as Manatee Tempest DEV-0950 is now tracked as Lace Tempest DEV-0651 is now tracked as Storm-0651 DEV-0856 is now tracked as Storm-0856To learn about how the new taxonomy represents the origin, unique traits, and impact of threat actors, and to get a complete mapping of threat actor names, read this blog: Microsoft shifts to a new threat actor naming taxonomy.…
BlackCat
Known for its unconventional methods and use of advanced extortion techniques, BlackCat has quickly risen to prominence in the cybercrime community. As this ransomware group forges its way to gain more clout, we examine its operations and discuss how organizations can shore up their defenses against it.…
Our blog entry provides a look at an attack involving the LV ransomware on a Jordan-based company from an intrusion analysis standpoint
OverviewThe Trend Micro research team recently analyzed an infection related to the LV ransomware group, a ransomware as a service (RaaS) operation that has been active since late 2020, and is reportedly based on REvil (aka Sodinokibi).…