NOTE: In this blog, Zerobot refers to a botnet that spreads primarily through IoT and web application vulnerabilities. It is not associated with the chatbot ZeroBot.ai.
Botnet malware operations are a constantly evolving threat to devices and networks. Threat actors target Internet of Things (IoT) devices for recruitment into malicious operations as IoT devices’ configurations often leave them exposed, and the number of internet-connected devices continue to grow.…
The ongoing battle against software supply chain attackers continues to be challenging as attackers constantly adapt and surprise with new techniques.…
ESET researchers discovered a spearphishing campaign, launched in the weeks leading up to the Japanese House of Councillors election in July 2022, by the APT group that ESET Research tracks as MirrorFace. The campaign, which we have named Operation LiberalFace, targeted Japanese political entities; our investigation revealed that the members of a specific political party were of particular focus in this campaign.…
During the past few weeks, we have shared the preliminary results of our investigation of the Azov ransomware on social media, as well as with Bleeping Computer.…
The 22nd FIFA World Cup launched in Qatar on November 20th, 2022, with 32 teams battling for the trophy. With fans around the world excited about the World Cup and cheering on their favorite team, Threat Actors (TAs) are actively also taking advantage of it and using FIFA as a theme in their malicious campaigns targeting unsuspecting victims.…
April 2023 update – Microsoft Threat Intelligence has shifted to a new threat actor naming taxonomy aligned around the theme of weather. DEV-0139 is now tracked as Citrine Sleet.
To 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.…
Editor’s Note: This is an excerpt of a full report. To read the entire analysis with endnotes, click here to download the report as a PDF.
This report analyzes the threat landscape ahead of the 2022 FIFA World Cup hosted in Qatar that begins on November 20, 2022.…
During a routine threat-hunting exercise, Cyble Research and Intelligence Labs (CRIL) encountered data-destructive ransomware linked to the pro-Russian Threat Actors (TA) group named “Killnet”. The ransomware is a modified version of notorious Chaos Ransomware. Upon execution, the Killnet Ransomware drops a note which contains a link to a pro-Russian Telegram channel containing propaganda posts related to the conflict in Ukraine.…
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.…
NullMixer is a dropper leading to an infection chain of a wide variety of malware families. NullMixer spreads via malicious websites that can be found mainly via search engines. These websites are often related to crack, keygen and activators for downloading software illegally, and while they may pretend to be legitimate software, they actually contain a malware dropper.…
Summary
The Federal Bureau of Investigation (FBI) and the Cybersecurity and Infrastructure Security Agency (CISA) are releasing this joint Cybersecurity Advisory to provide information on recent cyber operations against the Government of Albania in July and September. This advisory provides a timeline of activity observed, from initial access to execution of encryption and wiper attacks.…
In July 2022, during proactive threat hunting activities at a company in the media industry, Mandiant Managed Defense identified a novel spear phish methodology employed by the threat cluster tracked as UNC4034. Mandiant has identified several overlaps between this group and those we suspect have a North Korea nexus.…
Secureworks® Counter Threat Unit™ (CTU) analysis of a June 2022 ransomware incident revealed details about Iranian COBALT MIRAGE threat group operations. Despite CTU™ researchers publicly disclosing COBALT MIRAGE tactics, techniques, and procedures (TTPs) in May 2022, the threat actors continue to demonstrate many of the same behaviors.…
We investigate mhyprot2.sys, a vulnerable anti-cheat driver for the popular role-playing game Genshin Impact. The driver is currently being abused by a ransomware actor to kill antivirus processes and services for mass-deploying ransomware.
There have already been reports on code-signed rootkits like Netfilter, FiveSys, and Fire Chili.…
Authored by Dexter Shin
McAfee’s Mobile Research Team has identified new malware on the Google Play Store. Most of them are disguising themselves as cleaner apps that delete junk files or help optimize their batteries for device management. However, this malware hides and continuously show advertisements to victims.…
This blog entry offers a technical analysis of a new SolidBit variant that is posing as different applications to lure gamers and social media users. The SolidBit ransomware group appears to be planning to expand its operations through these fraudulent apps and its recruitment of ransomware-as-a-service affiliates.…
In April 2022, ThreatLabz discovered several newly registered domains, which were created by a threat actor to spoof the official Microsoft Windows 11 OS download portal. We discovered these domains by monitoring suspicious traffic in our Zscaler cloud. The spoofed sites were created to distribute malicious ISO files which lead to a Vidar infostealer infection on the endpoint.…