- New Agent Tesla Variant Being Spread by Crafted Excel Document
September 5, 2023
FortiGuard Labs captured a phishing campaign that spreads a new Agent Tesla variant. This well-known malware family uses a .Net-based Remote Access Trojan (RAT) and data stealer to gain initial access. It is often used for Malware-as-a-Service (MaaS). FortiGuard Labs researcher Xiaopeng Zhang performed an in-depth analysis of this campaign, from the initial phishing email to ...
- CISA and International Partners Release Malware Analysis Report on Infamous Chisel Mobile Malware
August 31, 2023
Today, the United Kingdom’s National Cyber Security Centre (NCSC-UK), the United States’ Cybersecurity and Infrastructure Security Agency (CISA), National Security Agency (NSA), and Federal Bureau of Investigation (FBI), New Zealand’s National Cyber Security Centre (NCSC-NZ), the Canadian Centre for Cyber Security (CCCS), and the Australian Signals Directorate (ASD) published a joint Malware Analysis Report (MAR), ...
- SapphireStealer: Open-source information stealer enables credential and data theft
August 31, 2023
SapphireStealer, an open-source information stealer, has been observed across public malware repositories with increasing frequency since its initial public release in December 2022. Information-stealing malware like SapphireStealer can be used to obtain sensitive information, including corporate credentials, which are often resold to other threat actors who leverage the access for additional attacks, including operations related ...
- Secret Selfies: Can Phones Take Pictures and Videos of You Without Your Knowledge?
August 31, 2023
It’s a longstanding question: can your phone really take selfies without your knowledge? The answer is yes, but with a pretty big asterisk next to it. And that asterisk is known as spyware. Spyware can use your phone for snooping in several ways, including using your camera to take pictures and videos. What exactly is spyware? ...
- Exploring the Inner Workings of DuckTail
August 30, 2023
In their persistent quest to decode DuckTail’s maneuvers, Zscaler ThreatLabz began an intelligence collection operation in May 2023. Through an intensive three-month period of monitoring, Zscaler researchers obtained critical details about DuckTail’s operational framework. This expedition granted them unprecedented visibility into DuckTail’s end-to-end operations, spanning the entire kill chain from reconnaissance to post-compromise. Zscaler team yielded valuable ...
- Lockbit leak, research opportunities on tools leaked from TAs
August 25, 2023
Lockbit is one of the most prevalent ransomware strains. It comes with an affiliate ransomware-as-a-service (RaaS) program offering up to 80% of the ransom demand to participants, and includes a bug bounty program for those who detect and report vulnerabilities that allow files to be decrypted without paying the ransom. According to the Lockbit owners, the ...
- Flax Typhoon using legitimate software to quietly access Taiwanese organizations
August 24, 2023
Microsoft has identified a nation-state activity group tracked as Flax Typhoon, based in China, that is targeting dozens of organizations in Taiwan with the likely intention of performing espionage. Flax Typhoon gains and maintains long-term access to Taiwanese organizations’ networks with minimal use of malware, relying on tools built into the operating system, along with ...
- DarkGate reloaded via malvertising and SEO poisoning campaigns
August 23, 2023
In July 2023, Malwarebytes researchers observed a malvertising campaign that lured potential victims to a fraudulent site for a Windows IT management tool. Unlike previous similar attacks, the final payload was packaged differently and not immediately recognizable. The decoy file came as an MSI installer containing an AutoIT script where the payload was obfuscated to avoid ...
- Carderbee: APT Group use Legit Software in Supply Chain Attack Targeting Orgs in Hong Kong
August 22, 2023
A previously unknown advanced persistent threat (APT) group used the legitimate Cobra DocGuard software to carry out a supply chain attack with the goal of deploying the Korplug backdoor (aka PlugX) onto victim computers. In the course of this attack, the attackers used malware signed with a legitimate Microsoft certificate. Most of the victims in this ...
- More than 100,000 hackers have details exposed through malware on cyber crime forums
August 15, 2023
Researchers have revealed that more than 100,000 hackers could be operating on compromised devices due to their involvement on cyber crime forums. A study from Hudson Rock identified around 120,000 devices infected with malware that contained login credentials for cyber crime forums. The firm said that many of the individuals operating with compromised machines may have ...