The Quantum Locker is a ransomware strain that was first discovered in July 2021. Since then, the ransomware was observed used in fast ransomware attacks, in some cases even Time-to-Ransom (TTR) of less than 4 hours, leaving defenders little time to react.…
Tag: LEAK
Secureworks® Counter Threat Unit™ (CTU) researchers are investigating attacks by the Iranian COBALT MIRAGE threat group, which has been operating since at least June 2020. COBALT MIRAGE is linked to the Iranian COBALT ILLUSION threat group, which predominantly uses persistent phishing campaigns to obtain initial access.…
Secureworks® Counter Threat Unit™ (CTU) researchers analyzed REvil ransomware samples that were uploaded to the VirusTotal analysis service after the GOLD SOUTHFIELD threat group’s infrastructure resumed activity in April 2022. The infrastructure had been shuttered since October 2021. Analysis of these samples indicates that the developer has access to REvil’s source code, reinforcing the likelihood that the threat group has reemerged.…
We analyze the Black Basta ransomware and examine the malicious actor’s familiar infection tactics.
Black Basta, a new ransomware gang, has swiftly risen to prominence in recent weeks after it caused massive breaches to organizations in a short span of time.
On April 20, 2022, a user named Black Basta posted on underground forums known as XSS.IS…
By Max Kersten, Marc Elias, Leandro Velasco, and Alexandre Mundo Alguacil · March 28, 2022
For over a decade, the PlugX malware has been observed internationally with different variants found around the world. This blog covers a PlugX variant that we have named Talisman, a name we based on comparisons with other PlugX variants, and its rather long life since it first emerged in 2008.…
In late January 2022, ThreatLabz identified an updated version of Conti ransomware as part of the global ransomware tracking efforts. This update was released prior to the massive leak of Conti source code and chat logs on Februrary 27, 2022. The leaks were published by a Ukrainian researcher after the invasion of Ukraine.…
Key Takeaways: An in-depth analysis of Midas and trends across other Thanos ransomware variants reveals how ransomware groups shifted tactics in 2021 to:
lower sunk costs by using RaaS builders to reduce development time increase payouts with double extortion tactics by using their own data leak sites extend the length and effectiveness of campaigns to get the highest investment returns by updating payloads and/or rebranding their own ransomware groupAdvertised on the darkweb for Ransomware-as-a-Service (RaaS), Thanos ransomware was first identified in February 2020.…
A Cobalt Strike Cybercrime Syndicate and the Ransomware Hackers’ Favorite Weapon
On March 9, the Cybersecurity and Infrastructure Security Agency (CISA) and the U.S. Secret Service issued an updated alert about the Conti ransomware group, encouraging organizations to review their advisory and apply the recommended mitigations.…
Pandora ransomware came into the spotlight in March 2022 after targeting some high-profile victims on its leak site. The ransomware group announced its first victim on 21 Feb 2022 and has posted around five victims to date.
Figure 1: Pandora ransomware data leak siteDuring a routine threat hunting exercise, Cyble Research Labs came across the sample for this ransomware.…
In March 2022, we came across evidence that another, relatively unknown, ransomware known as Nokoyawa is likely connected with Hive, as the two families share some striking similarities in their attack chain, from the tools used to the order in which they execute various steps.
Hive, which is one of the more notable ransomware families of 2021, made waves in the latter half of the year after breaching over 300 organizations in just four months — allowing the group to earn what could potentially be millions of US dollars in profit.…
More than 350 ecommerce stores infected with malware in a single day.
Today our global crawler discovered 374 ecommerce stores infected with the same strain of malware. 370 of these stores load the malware via https://naturalfreshmall[.]com/image/pixel[.]js.
— Sansec (@sansecio) January 25, 2022
Last week Sansec’s Early Breach Detection Network detected a mass breach of over 500 web stores running the Magento 1 ecommerce platform.…
Lorenz is a ransomware strain observed first in February of 2021, and is believed to be a rebranding of the “.sZ40” ransomware that was discovered in October 2020. Lorenz targets organizations worldwide with customized attacks demanding hundreds of thousands of dollars, and even millions in ransom fee. …
Over the past months, the Cybereason Nocturnus Team has been tracking the Iranian hacker group known as Moses Staff. The group was first spotted in October 2021 and claims their motivation is to harm Israeli companies by leaking sensitive, stolen data. …
On November 11th, Google TAG published a blogpost about watering-hole attacks leading to exploits for the Safari web browser running on macOS. ESET researchers had been investigating this campaign the week before that publication, uncovering additional details about the targets and malware used to compromise its victims.…
Executive Summary
Read More Cuba ransomware is an older ransomware, that has recently undergone some development. The actors have incorporated the leaking of victim data to increase its impact and revenue, much like we have seen recently with other major ransomware campaigns.
In our analysis, we observed that the attackers had access to the network before the infection and were able to collect specific information in order to orchestrate the attack and have the greatest impact.…
Cuba Ransomware Overview
Read More Over the past year, we have seen ransomware attackers change the way they have responded to organizations that have either chosen to not pay the ransom or have recovered their data via some other means. At the end of the day, fighting ransomware has resulted in the bad actors’ loss of revenue.…
Kaspersky Lab experts discovered a targeted cyber espionage campaign, where attackers infect computers with malware that collects all recent documents on the victim’s device, archives them and passes them back to them.
The UEFI program is loaded before the operating system and controls all processes at an “early start”.…