AsyncRAT has emerged as a notable Remote Access Trojan (RAT) used by threat actors for its robust capabilities and ease of deployment. It gained favor for its extensive feature set, which includes keylogging, screen capturing, and remote command execution capabilities.
Its modular architecture, typically implemented in Python, provides flexibility and ease of customization, making it a preferred tool of choice for cybercriminals. During Trend Micro investigation of AsyncRAT infections, we observed Python scripts playing a central role in the infection chain, automating various stages of the attack. The initial payload, a Windows Script Host (WSH) file, was designed to download and execute additional malicious scripts hosted on a WebDAV server.
Read more…
Source: Trend Micro
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- OceanLotus adopts public exploit code to abuse Microsoft Office software
March 21, 2019
The OceanLotus hacking group is back with a new campaign in 2019 complete with new exploits, decoys, and self-extracting malicious archives. Also known as APT32, SeaLotus, APT-C-00, and Cobalt Kitty, OceanLotus is a hacking group which operates across Asia and focuses on gathering valuable intel on corporate, government, and political entities across Vietnam, the Philippines, Laos, ...
- Global threat group Fin7 returns with new SQLRat malware
March 20, 2019
The notoriously well-known threat group Fin7, also known as Carbanak, is back with a new set of administrator tools and never-before-seen forms of malware. Fin7 has been active since at least 2015 and since the group’s inception has been connected to attacks against hundreds of companies worldwide. Over 100 companies have been impacted in the United States ...
- Mirai Variant Goes After Enterprise Systems
March 18, 2019
The newest Mirai variant is targeting WePresent WiPG-1000 Wireless Presentation systems and LG Supersign TVs used by enterprises. Researchers have discovered a new variant of the infamous Mirai IoT botnet, which has been sniffing out and targeting vulnerabilities in enterprise wireless presentation and display systems since January. Palo Alto Network’s Unit 42 researchers said that the newest ...
- Patched WinRAR Bug Still Under Active Attack – Thanks to No Auto-Updates
March 15, 2019
Various cyber criminal groups and individual hackers are still exploiting a recently patched critical code execution vulnerability in WinRAR, a popular Windows file compression application with 500 million users worldwide. Why? Because the WinRAR software doesn’t have an auto-update feature, which, unfortunately, leaves millions of its users vulnerable to cyber attacks. The critical vulnerability (CVE-2018-20250) that was patched ...
- Disrupting the Attack Chain Through Detecting Credential Dumping
March 15, 2019
There are various steps that an attacker must follow in order to execute any successful attack, with the initial compromise being just one stage in the overall attack chain. Once attackers have successfully breached the perimeter of an organization, they enter into the lateral movement phase where they attempt to tiptoe through a network, identifying ...
- IMAP-Based Attacks Compromising Accounts at ‘Unprecedented Scale’
March 14, 2019
That’s according to researchers with Proofpoint, who found that in the past half year, a staggering 60 percent of Microsoft Office 365 and G Suite tenants have been targeted with IMAP-based password-spraying attacks; and 25 percent of those targeted experienced a full-on breach as a result. Password-spraying attacks are when an attacker attempts to access a large ...

