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:
- The evolution of Dark Caracal tools: analysis of a campaign featuring Poco RAT
February 28, 2025
In early 2024, analysts at the Positive Technologies Expert Security Center (PT ESC) discovered a malicious sample. The cybersecurity community named it Poco RAT after the POCO libraries in its C++ codebase. At the time of its discovery, the sample had not been linked to any known threat group. The malware came loaded with a full ...
- New spyware found to be snooping on thousands of Android and iOS users
February 28, 2025
Hundreds of thousands of Android users, as well as several thousand iPhone users, have had their sensitive data compromised by a spouseware app, called Spyzie. The apps were found leaking email addresses, text messages, call logs, photographs, and other sensitive data, belonging to millions of people who, without their knowledge or consent, have had these apps ...
- Cyber Attack Keeps Cleveland Municipal Court Offline
February 28, 2025
Cleveland Municipal Court will remain closed Thursday, four days after officials announced a cyber attack against the court. The court has been closed since Monday. All internal systems and software, including the court’s website, have been shut down and will remain offline as authorities work to figure out what happened and the best time to restore ...
- JavaGhost’s Persistent Phishing Attacks From the Cloud
February 28, 2025
Unit 42 researchers have observed phishing activity that we track as TGR-UNK-0011. They assess with high confidence that this cluster overlaps with the threat actor group JavaGhost. The threat actor group JavaGhost has been active for over five years and continues to target cloud environments to send out phishing campaigns to unsuspecting targets. According to website ...
- UK: Cyber-attack sparks security fears over NHS provider’s data
February 28, 2025
The private healthcare group that will soon take charge of Swindon community care services has been hit by a cyber-attack. HCRG Care Group recently won the contract to provide care-at-home services in the Swindon area, which was previously managed by the trust in charge of Great Western Hospital, as well as other parts of Wiltshire. The company ...
- Winos 4.0 Spreads via Impersonation of Official Email to Target Users in Taiwan
February 27, 2025
In January 2025, FortiGuard Labs observed an attack that used Winos4.0, an advanced malware framework actively used in recent threat campaigns, to target companies in Taiwan. According to a report released in November 2024, Winos4.0 was distributed through gaming-related applications, however, it spread via an email masquerading as from Taiwan’s National Taxation Bureau in the campaign ...