- Unique P2P Architecture Gives DDG Botnet ‘Unstoppable’ Status
April 9, 2020
The coin-mining botnet known as DDG has seen a flurry of activity since the beginning of the year, releasing 16 different updates over the course of the past three months. Most notably, its operators have adopted a proprietary peer-to-peer (P2P) mechanism that has turned the DDG into a highly sophisticated, “seemingly unstoppable” threat, according to ...
- Copycat Site Serves Up Raccoon Stealer
April 9, 2020
Someone is targeting web denizens with a malicious, copycat Malwarebytes website, which serves up the Raccoon information stealer malware to unsuspecting visitors. According to the security firm itself, the attackers set up the domain “malwarebytes-freecom” with a domain registrar in Russia in late March. “We don’t expect to hear from either the registrar or hosting provider,” ...
- FIN6 and TrickBot Combine Forces in ‘Anchor’ Attacks
April 7, 2020
Researchers say, two cybercriminal groups, FIN6 and the operators of the TrickBot malware, have paired up together to target several organizations with TrickBot’s malware framework called “Anchor.” The two threat groups joining forces is a “new and dangerous twist” in an existing trend of cybercrime groups working together, say researchers with IBM X-Force. The FIN6 group (also known as “ITG08”) has ...
- Zero-Day Exploitation Increasingly Demonstrates Access to Money, Rather than Skill — Intelligence for Vulnerability Management, Part One
April 6, 2020
FireEye Mandiant Threat Intelligence documented more zero-days exploited in 2019 than any of the previous three years. While not every instance of zero-day exploitation can be attributed to a tracked group, we noted that a wider range of tracked actors appear to have gained access to these capabilities. Furthermore, we noted a significant increase over ...
- Investigation into a Nefilim Attack Shows Signs of Lateral Movement, Possible Data Exfiltration
April 3, 2020
Trend Micro’s Managed XDR (MxDR) and Incident Response (IR) teams recently investigated an incident involving a company that was hit by the Nefilim ransomware, which was initially discovered in March 2020. What makes Nefilim especially devious is that the threat actors behind the attack threaten to release the victim’s stolen data on an online leak site. This represents a ...
- Spearphishing Campaign Exploits COVID-19 To Spread Lokibot Infostealer
April 3, 2020
Researchers have discovered threat actors once again capitalizing on the COVID-19 pandemic and current attention on the World Health Organization (WHO) with a new spearphishing email designed to spread the LokiBot trojan sent using the WHO trademark as a lure. Researchers at FortiGuard Labs on March 27 first observed the malicious COVID-19-themed scam, which claims to ...
- FakeNet Genie: Improving Dynamic Malware Analysis with Cheat Codes for FakeNet-NG
April 2, 2020
As developers of the network simulation tool FakeNet-NG, reverse engineers on the FireEye FLARE team, and malware analysis instructors, we get to see how different analysts use FakeNet-NG and the challenges they face. We have learned that FakeNet-NG provides many useful features and solutions of which our users are often unaware. In this blog post, ...
- Loncom packer: from backdoors to Cobalt Strike
April 2, 2020
The previous story described an unusual way of distributing malware under disguise of an update for an expired security certificate. After the story went out, we conducted a detailed analysis of the samples we had obtained, with some interesting findings. All of the malware we examined from the campaign was packed with the same packer, which we ...
- Wiper Malware Called “Coronavirus” Spreads Among Windows Victims
April 1, 2020
A new Windows malware has emerged that makes disks unusable by overwriting the master boot record (MBR). It takes its cue from the COVID-19 pandemic, calling itself simply “Coronavirus.” Overwriting the MBR is the same trick that the infamous NotPetya wiper malware used in 2017 in a campaign that caused widespread, global financial damage. Worryingly, according to the ...
- LimeRAT malware is being spread through VelvetSweatshop Excel encryption technique
April 1, 2020
A new campaign is spreading the LimeRAT Remote Access Trojan by harnessing an old encryption technique in Excel files. LimeRAT is a simple Trojan designed for Windows machines. The malware is able to install backdoors on infected machines and encrypt files in the same way as typical ransomware strains, add PCs to botnets, and install cryptocurrency ...