Google Threat Intelligence Group (GTIG) has identified an ongoing campaign by a suspected financially-motivated threat actor we track as UNC6148, targeting fully patched end-of-life SonicWall Secure Mobile Access (SMA) 100 series appliances.
GTIG assesses with high confidence that UNC6148 is leveraging credentials and one-time password (OTP) seeds stolen during previous intrusions, allowing them to regain access even after organizations have applied security updates. Evidence for the initial infection vector was limited, as the actor’s malware is designed to selectively remove log entries, hindering forensic investigation; however, it is likely this was through the exploitation of known vulnerabilities.
Read more…
Source: Mandiant/GTG
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Naikon’s Aria
May 8, 2020
Our colleagues at Checkpoint put together a fine research writeup on some Naikon resources and activity related to “aria-body” that we detected in 2017 and similarly reported in 2018. To supplement their research findings, we are summarizing and publishing portions of the findings reported in our June 2018 “Naikon’s New AR Backdoor Deployment to Southeast Asia”. This ...
- SilverTerrier: New COVID-19 Themed Business Email Compromise Schemes
May 7, 2020
Focusing on one of the most active subsets of the global threat landscape, Palo Alto Networks Unit 42 tracks Nigerian cyber criminals involved in Business Email Compromise (BEC) activities under the name SilverTerrier. Over the past 90 days (Jan. 30 – Apr. 30), we have observed three SilverTerrier actors/groups launch a series of 10 COVID-19 themed ...
- Targeted Ransomware Attack Hits Taiwanese Organizations
May 6, 2020
A new targeted attack has infected several organizations in Taiwan with a new ransomware family, which we have dubbed ColdLock. This attack is potentially destructive as the ransomware appears to target databases and email servers for encryption. The information we gathered indicates that this attack started hitting organizations in early May. Analysis of the malware points ...
- Coinminer, DDoS Bot Attack Docker Daemon Ports
May 6, 2020
Researchers found an open directory containing malicious files, which was first reported in a series of Twitter posts by MalwareHunterTeam. Analyzing some of the files, we found a malicious cryptocurrency miner and Distributed Denial of Service (DDoS) bot that targets open Docker daemon ports. The attack starts with the shell script named mxutzh.sh, which scans for open ports (2375, ...
- DDoS attacks in Q1 2020
May 6, 2020
Since the beginning of 2020, due to the COVID-2019 pandemic, life has shifted almost entirely to the Web — people worldwide are now working, studying, shopping, and having fun online like never before. This is reflected in the goals of recent DDoS attacks, with the most targeted resources in Q1 being websites of medical organizations, ...
- Excel Files with Hidden Sheets Target Users in Italy
May 5, 2020
A spam campaign using emails that have Excel file (.xls) attachments (detected by Trend Micro as Trojan.XF.HIDDBOOK.THDBHBO) has been seen circulating and targeting users in Italy and some users in Germany and other countries. The attachment appears blank when opened, but it has a sheet set to “hidden” that attempts to connect to a URL and download a ...