Threat Roundup for June 7 to June 14

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between June 07 and June 14. 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...

When Time is of the Essence – Testing Controls Against the Latest Threats Faster

A new threat has hit head the headlines Robinhood anyone?, and you need to know if you're protected right now. What do you do? Traditionally, you would have to go with one of the options below. Option 1 – Manually check that IoCs have been updated across your security controls. This would require...

Python-Iocextract - Advanced Indicator Of Compromise (IOC) Extractor

Advanced Indicator of Compromise IOC extractor. Overview This library extracts URLs, IP addresses, MD5/SHA hashes, email addresses, and YARA rules from text corpora. It includes some encoded and "defanged" IOCs in the output, and optionally decodes/refangs them. The Problem It is common practice...

Pick-Six: Intercepting a FIN6 Intrusion, an Actor Recently Tied to Ryuk and LockerGoga Ransomware

Summary Recently, FireEye Managed Defense detected and responded to a FIN6 intrusion at a customer within the engineering industry, which seemed out of character due to FIN6’s historical targeting of payment card data. The intent of the intrusion was initially unclear because the customer did not...

CB TAU Threat Intelligence Notification: Email VBS Downloader Connects to C2 Server, Downloads Trickbot Payload

Carbon Black recently learned a customer had received a malicious email attached with a zip file which contained a malicious VBS script file. This malicious VBS downloader will connect to a Command & Control server and then download a malicious payload which contains Trickbot onto the victim’s...

CB TAU Threat Intelligence Notification: GandCrab 5.2 Ransomware Attempts to Delete Volume Shadow Copies

GandCrab 5.2 ransomware will append seven randomly generated strings as the file extension to each encrypted file and drop a ransom note named as ‘generated file extension-MANUAL.txt’, for example, “office.doc.uahmthl” and “UAHMTHL-MANUAL.txt”. It will also change the desktop background of the...

Threat Roundup for March 22 to March 29

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between March 22 and March 29. 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...

CB TAU Threat Intelligence Notification: CryptoMix Clop Ransomware Disables Startup Repair, Removes & Edits Shadow Volume Copies

Summary A wew variant of CryptoMix Clop ransomware has been distributed as a binary that is digitally signed and verified which makes it look like a legitimate executable. In addition, CryptoMix Clop ransomware will append ‘.clop’ or ‘.ciop’ as a file extension to the encrypted file and drop a...

CB Threat Intelligence Notification: Vidar InfoStealer Trojan Aims to Steal Data Before Erasing Itself

Vidar is an info stealer trojan, which was sold under the name Vidar Pro stealer and can be distributed through different campaigns. This malware will perform multiple types of malicious behavior including stealing web browser cookies and history, digital wallets, two-factor authentication data,...

Threat Roundup for Mar. 1 to Mar. 8

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between March 1 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, indicato...

TAU Threat Intelligence Notification: Spear Phishing Targeting Italy

Summary This campaign is targeting users in Italy with spear phishing email containing malicious attachments. Figure 1: Emails with the malicious XLS attachment The image above show one of the sample has attached in multiple email that has been sent to email address with Italy ccTLD. The attached...

Threat Roundup for Feb. 1 to Feb. 8

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Feb. 01 and Feb. 08. 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...

Cisco AMP tracks new campaign that delivers Ursnif

This blog post was authored by John Arneson of Cisco Talos Executive Summary Cisco Talos once again spotted the Ursnif malware in the wild. We tracked this information stealer after Cisco's Advanced Malware Protection AMP Exploit Prevention engine alerted us to these Ursnif infections. Thanks to...

TAU Threat Intelligence Notification – MongoLock Ransomware

Summary The new variant of MongoLock Ransomware will delete users’ files immediately instead of encrypting them. Upon execution, MongoLock will scan specific locations such as Desktop, Documents, or Recycle Bin Folders, then delete files and format the local disk drives. The following is the list...

Cisco Coverage for Shamoon 2 & 3

Update Dec. 14, 2018 10:30 CST: Added new Shamoon 3 IOCs Shamoon is a type of destructive malware that has been previously associated with attacks against various organizations in the oil and gas industry that we've been tracking since 2012. A new variant of this threat, identified as Shamoon 2,...

Partner Perspectives: Notes from the Field: Extending Carbon Black Visibility to Undetected Malware

Daniel LaVoie is a Senior Solutions Specialist at ReversingLabs. On a recent customer visit, I asked the company’s Director of Security Operations how ReversingLabs came to be deployed as a part of their SOC tool set. The answer was quite interesting, and one that I wanted to share with our blog...

Threat Roundup for November 2 to November 9

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Nov. 02 and Nov. 09. 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 Oct. 26 to Nov. 2

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Oct. 26 and Nov. 02. 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...

Partner Perspectives: More Effective Threat Hunting with ThreatConnect and Carbon Black

Megan Horner is the Director of Product Marketing for ThreatConnect. You’ll hear a lot in cybersecurity - and in technology in general - about the necessity of integrations. The more security solutions can communicate back and forth with what they find “in the wild” and how it compares to what’s...

Partner Perspectives: The Power of Shared Intelligence: Juniper Sky ATP and Cb Response

Scott Emo is the Director of Field Readiness, Security, for Juniper Networks. Uncover and Mitigate the Most Sophisticated Cyber Attacks The rapid growth of emerging technologies, combined with an increasing number of connected devices running business-critical applications in highly distributed...