Threat Source newsletter (Feb. 13, 2020)

Newsletter compiled by Jon Munshaw. Welcome to this week’s Threat Source newsletter — the perfect place to get caught up on all things Talos from the past week. This month’s Microsoft Patch Tuesday was particularly hefty, with the company disclosing nearly 100 vulnerabilities — three of which Tal...

Loda RAT Grows Up

By Chris Neal. Over the past several months, Cisco Talos has observed a malware campaign that utilizes websites hosting a new version of Loda, a remote access trojan RAT written in AutoIT. These websites also host malicious documents that begin a multi-stage infection chain which ultimately serve...

JhoneRAT: Cloud based python RAT targeting Middle Eastern countries

By Warren Mercer, Paul Rascagneres and Vitor Ventura with contributions from Eric Kuhla. Updated January 17th: the documents do not exploit the CVE-2017-0199 vulnerability. Executive Summary Today, Cisco Talos is unveiling the details of a new RAT we have identified we're calling "JhoneRAT." This...

Liverpool Voyeur Used IM-RAT to Video Women at Home

Scott Crowley. A 27-year-old Liverpool, England man has been convicted on charges of computer misuse after admitting to installing the remote-access trojan RAT known as Imminent Monitor on three unsuspecting women’s devices. The defendant, Scott Crowley, said in a court hearing that he used...

Threat Analysis Unit (TAU) Threat Intelligence Notification: BlackRemote RAT

BlackRemote is a relatively new commodity RAT discovered in September 2019. Similar to other Remote Access Trojans, it offers typical functionality such as keylogging, remote desktop, file transfer, credential harvesting, and more. Despite the discovery of this RAT being caught early, and while t...

Threat Analysis Unit (TAU) Threat Intelligence Notification: njRAT

njRAT is a Remote Access Trojan RAT that will silently collect and steal sensitive information such as login credentials. It can also perform keylogger monitoring, remote desktop control, installing additional malicious software, and many other malicious activities on the victim’s computer. In...

News Wrap: Authorities Target Evil Corp., Imminent Monitor, Money Mules

In this week’s Threatpost news wrap, editors Tara Seals and Lindsey O’Donnell break down the top infosec news, including: Authorities crack down on cybercrime group Evil Corp. with sanctions and charges against its leader, known for his lavish lifestyle. The developers behind a commodity...

Authorities Break Up Imminent Monitor Spyware Organization

The developers behind a commodity remote-access tool RAT that allows full control of a victim’s computer has been taken down by Australian and global authorities. The Imminent Monitor RAT IM-RAT first appeared in 2012, the work of a developer going by the handle of “Shockwave,” according to...

Europol Shuts Down 'Imminent Monitor' RAT Operations With 13 Arrests

In a coordinated International law enforcement operation, Europol today announced to shut down the global organized cybercrime network behind Imminent Monitor RAT, yet another hacking tool that allows cybercriminals to gain complete control over a victim's computer remotely. The operation targete...

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 Analysis Unit (TAU) Threat Intelligence Notification: AsyncRAT

AsyncRAT is a Remote Access Tool RAT designed to remotely monitor and control other computers through a secure encrypted connection. It is an open source remote administration tool, however, it could also be used maliciously because it provides functionality such as keylogger, remote desktop...

RedPeanut - A Small RAT Developed In .Net Core 2 And Its Agent In .Net 3.5/4.0

RedPeanut is a small RAT developed in .Net Core 2 and its agent in .Net 3.5 / 4.0. RedPeanut code execution is based on shellcode generated with DonutCS. It is therefore a hybrid, although developed in .Net it does not rely solely on the Assembly.Load. This increases the detection surface, but...

Double Vision: Stealthy Malware Dropper Delivers Dual RATs

A newly discovered initial-stage malware dropper has been discovered sneaking by antivirus products, with the ultimate goal of delivering a double-pronged whammy of RevengeRAT and WSH RAT payloads onto targeted Windows machines. A FortiGuard Labs team recently captured a sample file that had been...

Orcus RAT Author Charged in Malware Scheme

In July 2016, KrebsOnSecurity published a story identifying a Toronto man as the author of the Orcus RAT, a software product that’s been marketed on underground forums and used in countless malware attacks since its creation in 2015. This week, Canadian authorities criminally charged him with...

Threat Roundup for November 1 to November 8

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Nov. 1 and Nov. 8. 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,...

Calypso APT Emerges from the Shadows to Target Governments

A newly discovered APT group, dubbed Calypso after a custom malware RAT that it uses, has been targeting state institutions in six different countries since 2016. Government organizations in India 34 percent, Brazil and Kazakhstan 18 percent respectively, Russia and Thailand 12 percent respective...

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 ...

Mahalo FIN7: Responding to the Criminal Operators’ New Tools and Techniques

During several recent incident response engagements, FireEye Mandiant investigators uncovered new tools in FIN7’s malware arsenal and kept pace as the global criminal operators attempted new evasion techniques. In this blog, we reveal two of FIN7’s new tools that we have called BOOSTWRITE and...

A week in security (September 30 – October 6)

Last week on Malwarebytes Labs, Malwarebytes renewed its pledge to fight stalkerware for National Cybersecurity Awareness NCSA and Domestic Violence Awareness Month. We also looked into what security orchestration is and reported about partnering with security firm, HYAS, to determine the...

Open Document format creates twist in maldoc landscape

By Warren Mercer and Paul Rascagneres. Introduction Cisco Talos recently observed attackers changing the file formats they use in an attempt to thwart common antivirus engines. This can happen across other file formats, but today, we are showing a change of approach for an actor who has deemed...