Credit to Author: Jaromir Horejsi| Date: Wed, 29 Mar 2023 00:00:00 +0000
We discovered a new malware, which we named “OpcJacker” (due to its opcode configuration design and its cryptocurrency hijacking ability), that has been distributed in the wild since the second half of 2022.
Read moreCredit to Author: Vickie Su| Date: Thu, 23 Mar 2023 00:00:00 +0000
After months of investigation, we found that several undisclosed malware and interesting tools used for exfiltration purposes were being used by Earth Preta. We also observed that the threat actors were actively changing their tools, tactics, and procedures (TTPs) to bypass security solutions. In this blog entry, we will introduce and analyze the other tools and malware used by the threat actor.
Read moreCredit to Author: Ian Kenefick| Date: Mon, 13 Mar 2023 00:00:00 +0000
Following a three-month hiatus, Emotet spam activities resumed in March 2023, when a botnet known as Epoch 4 began delivering malicious documents embedded in Zip files that were attached to the emails.
Read moreCredit to Author: Vladimir Kropotov| Date: Thu, 09 Mar 2023 00:00:00 +0000
In this entry, we discuss case studies that demonstrated how data-science techniques were applied in our investigation of ransomware groups’ ransom transactions, as detailed in our joint research with Waratah Analytics, “What Decision-Makers Need to Know About Ransomware Risk.”
Read moreCredit to Author: Vladimir Kropotov| Date: Thu, 02 Mar 2023 00:00:00 +0000
In this blog entry, we present a case study that illustrates how data-science techniques can be used to gain valuable insights about ransomware groups’ targeting patterns as detailed in our research paper, “What Decision-Makers Need to Know About Ransomware Risk.”
Read moreCredit to Author: Ryan Soliven| Date: Thu, 02 Mar 2023 00:00:00 +0000
Find out how the Managed XDR team uncovered RedLine Stealer’s evasive spear-phishing campaign that targets the hospitality industry.
Read moreCredit to Author: Buddy Tancio| Date: Fri, 24 Feb 2023 00:00:00 +0000
Trend Micro’s Managed Extended Detection and Response (MxDR) team discovered that a file called x32dbg.exe was used to sideload a malicious DLL we identified as a variant of PlugX.
Read moreCredit to Author: Nathaniel Morales| Date: Mon, 20 Feb 2023 00:00:00 +0000
Ransomware actors have been observed to expand their targets by increasingly developing Linux-based versions. Royal ransomware is following in the same path, a new variant targeting Linux systems emerged and we will provide a technical analysis on this variant in this blog.
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