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...

MalConfScan - Volatility Plugin For Extracts Configuration Data Of Known Malware

MalConfScan is a Volatility plugin extracts configuration data of known malware. Volatility is an open-source memory forensics framework for incident response and malware analysis. This tool searches for malware in memory images and dumps configuration data. In addition, this tool has a function ...

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!...

Picking Apart Remcos Botnet-In-A-Box

This blog post was authored by Edmund Brumaghin and Holger Unterbrink with contributions from Eric Kuhla and Lilia Gonzalez Medina. Overview Cisco Talos has recently observed multiple campaigns using the Remcos remote access tool RAT that is offered for sale by a company called Breaking Security...

How Just Opening A Malicious PowerPoint File Could Compromise Your PC

A few months back we reported how opening a simple MS Word file could compromise your computer using a critical vulnerability in Microsoft Office. The Microsoft Office remote code execution vulnerability CVE-2017-0199 resided in the Windows Object Linking and Embedding OLE interface for which a...