Threat Round up for January 27 to February 3

Today, Talos is publishing a glimpse into the most prevalent threats weve observed between Jan. 27 and Feb. 3. As with previous roundups, this post isnt meant to be an in-depth analysis. Instead, this post will summarize the threats weve observed by highlighting key behavioral characteristics,...

Actors, Threats and Vulnerabilities 23 January 2023 – 29 January 2023

For a detailed threat digest, download the pdf file here Summary For a detailed threat digest, download the pdf file here Hive Pro discovered four actors that have been active in the past week. The first, APT40 and Tick, are well-known Chinese threat actors known for information theft and...

Chinese Threat Actors Leverage Phishing and GuLoader to Distribute Remcos RAT

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary The malicious campaign described involves the distribution of a malicious PDF file through email, via phishing. The PDF file in this case redirects victims to a legitimate cloud-based platform, where the...

Threat Roundup for September 23 to September 30

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Sept. 23 and Sept. 30. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral...

2021 Top Malware Strains

Summary Immediate Actions You Can Take Now to Protect Against Malware: • Patch all systems and prioritize patching known exploited vulnerabilities. • Enforce multifactor authentication MFA. • Secure Remote Desktop Protocol RDP and other risky services. • Make offline backups of your data. • Provi...

Threat Roundup for July 29 to August 5

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between July 29 and Aug. 5. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics,...

Researchers Detail PureCrypter Loader Cyber Criminals Using to Distribute Malware

Cybersecurity researchers have detailed the workings of a fully-featured malware loader dubbed PureCrypter that's being purchased by cyber criminals to deliver remote access trojans RATs and information stealers. "The loader is a .NET executable obfuscated with SmartAssembly and makes use of...

Crypto Hackers Using Babadeda Crypter to Make Their Malware Undetectable

A new malware campaign has been discovered targeting cryptocurrency, non-fungible token NFT, and DeFi aficionados through Discord channels to deploy a crypter named "Babadeda" that's capable of bypassing antivirus solutions and stage a variety of attacks. "This malware installer has been used in ...

This New Stealthy JavaScript Loader Infecting Computers with Malware

Threat actors have been found using a previously undocumented JavaScript malware strain that functions as a loader to distribute an array of remote access Trojans RATs and information stealers. HP Threat Research dubbed the new, evasive loader "RATDispenser," with the malware responsible for...

Malware Makers Using ‘Exotic’ Programming Languages

Malware authors are increasingly using rarely spotted programming languages such as Go, Rust, Nim and DLang in order to create new tools and to hinder analysis, researchers have found. Use of those four languages is escalating in the number of malware families being identified, according to a...

Remcos RAT delivered via Visual Basic

This blog post was authored by Erika Noerenberg Introduction Over the past months, Malwarebytes researchers have been tracking a unique malspam campaign delivering the Remcos remote access trojan RAT via financially-themed emails. Remcos is often delivered via malicious documents or archive files...

Experts Uncover Malware Attacks Against Colombian Government and Companies

Cybersecurity researchers took the wraps off an ongoing surveillance campaign directed against Colombian government institutions and private companies in the energy and metallurgical industries. In a report published by ESET on Tuesday, the Slovak internet security company said the attacks — dubb...

Tor2Mine is up to their old tricks — and adds a few new ones

By Kendall McKay and Joe Marshall. Threat summaryCisco Talos has identified a resurgence of activity by Tor2Mine, a cryptocurrency mining group that was likely last active in 2018. Tor2Mine is deploying additional malware to harvest credentials and steal more money, including AZORult, an...

Spread of Coronavirus-Themed Cyberattacks Persists with New Attacks

As the coronavirus blows up into a worldwide pandemic, threat actors continue to exploit the disease to spread malware. Just this week, cybersecurity professionals identified a bevy of new threats ranging from coronavirus-themed malware attacks, booby-trapped URLs and credential stuffing scams. O...

Threat Roundup for November 15 to November 22

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Nov. 15 and Nov. 22. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics...

Threat Roundup for August 23 to August 30

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Aug. 23 and Aug. 30. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics...

RATs and stealers rush through “Heaven’s Gate” with new loader

By Holger Unterbrink and Edmund Brumaghin. Executive summary Malware is constantly finding new ways to avoid detection. This doesn't mean that some will never be detected, but it does allow adversaries to increase the period of time between initial release and detection. Flying under the radar fo...

Threat Roundup for June 14 to June 21

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between June 14 and June 21. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics...

Threat Roundup for May 24 to May 31

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between May 24 and May 31. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics,...

Beers with Talos EP 36: There Are Few Shades in the Grey Market

Beers with Talos BWT Podcast Ep. 36 is now available. Download this episode and subscribe to Beers with Talos: If iTunes and Google Play aren't your thing: www.talosintelligence.com/podcast. Ep. 36 show notes: Recorded Aug. 24, 2018 — We’re finally back in the studio after Hacker Summer Camp!...