- 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, ...
- 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 ...
- Upgraded Cerberus Spyware Spreads Rapidly via MDM
May 1, 2020
A newly discovered variant of the Cerberus Android trojan has been spotted, with vastly expanded and more sophisticated info-harvesting capabilities, and the ability to run TeamViewer. It was spotted by researchers being used in a targeted campaign on a multinational conglomerate. Unusually, the sample propagated through the employee pool via the infected company’s mobile device management ...
- WebMonitor RAT Bundled with Zoom Installer
April 29, 2020
The coronavirus pandemic has highlighted the usefulness of communication apps for work-from-home (WFH) setups. However, like they always do, cybercriminals are expected to exploit popular trends and user behavior. We have witnessed threats against several messaging apps including Zoom. In early April, we spotted an attack leveraging Zoom installers to spread a cryptocurrency miner. We recently encountered a similar attack ...
- Remote spring: the rise of RDP bruteforce attacks
April 29, 2020
With the spread of COVID-19, organizations worldwide have introduced remote working, which is having a direct impact on cybersecurity and the threat landscape. Alongside the higher volume of corporate traffic, the use of third-party services for data exchange, and employees working on home computers (and potentially insecure Wi-Fi networks), another headache for infosec teams is the ...
- Hiding in plain sight: PhantomLance walks into a market
April 28, 2020
In July 2019, Dr. Web reported about a backdoor trojan in Google Play, which appeared to be sophisticated and unlike common malware often uploaded for stealing victims’ money or displaying ads. So, we conducted an inquiry of our own, discovering a long-term campaign, which we dubbed “PhantomLance”, its earliest registered domain dating back to December 2015. We found ...
- A look at the ATM/PoS malware landscape from 2017-2019
April 23, 2020
From remote administration and jackpotting, to malware sold on the Darknet, attacks against ATMs have a long and storied history. And, much like other areas of cybercrime, attackers only refine and grow their skillset for infecting ATM systems from year-to-year. So what does the ATM landscape look like as of 2020? Let’s take a look. ATM attacks aren’t ...
- Security researcher identifies new APT group mentioned in 2017 Shadow Brokers leak
April 22, 2020
Three years and eight days ago, on April 14, 2017, a mysterious group of hackers known as the Shadow Brokers published a collection of hacking tools that ended up changing the internet forever. Known as the “Lost in Translation” dump, this collection of files included tens of hacking tools and exploits stolen from the US National ...
- Loki Delivered as CAB File Attachment
April 22, 2020
We found in our honeypot a spam sample that delivers the info stealer Loki through an attached Windows Cabinet (CAB) file. The email that bears the malicious file poses as a quotation request to trick the user into executing the binary file inside the CAB file. CAB is a compressed archive file format usually associated with various drivers, system ...