Malware

AsyncRAT

AsyncRAT is a Remote Access Tool (RAT) designed to remotely monitor and control other computers through a secure encrypted connection. It is an open source remote administration tool, however, it could also be used maliciously because it provides functionality such as keylogger, remote desktop control, and many other functions that may cause harm to the victim’s computer. In addition, AsyncRAT can be delivered via various methods such as spear-phishing, malvertising, exploit kit and other techniques.

Indicators of Compromise 27

MITRE ATT&CK TTPs 37

T1006
Direct Volume Access
Defense Evasion
T1012
Query Registry
Discovery
T1014
Rootkit
Defense Evasion
T1027
Obfuscated Files or Information
Defense Evasion
T1027.013
Encrypted/Encoded File
Defense Evasion
T1036.005
Match Legitimate Name or Location
Defense Evasion
T1053.005
Scheduled Task
Execution
T1055
Process Injection
Defense Evasion
T1055.012
Process Hollowing
Defense Evasion
T1055.015
ListPlanting
Defense Evasion
T1057
Process Discovery
Discovery
T1059.001
PowerShell
Execution
T1068
Exploitation for Privilege Escalation
Privilege Escalation
T1070.004
File Deletion
Defense Evasion
T1071.001
Web Protocols
Command And Control
T1078
Valid Accounts
Defense Evasion
T1082
System Information Discovery
Discovery
T1085
T1085
T1102.001
Dead Drop Resolver
Command And Control
T1105
Ingress Tool Transfer
Command And Control
T1112
Modify Registry
Defense Evasion
T1113
Screen Capture
Collection
T1133
External Remote Services
Persistence
T1140
Deobfuscate/Decode Files or Information
Defense Evasion
T1195.001
Compromise Software Dependencies and Development Tools
Initial Access
T1202
Indirect Command Execution
Defense Evasion
T1204.002
Malicious File
Execution
T1484.001
Group Policy Modification
Defense Evasion
T1490
Inhibit System Recovery
Impact
T1543.003
Windows Service
Persistence
T1548
Abuse Elevation Control Mechanism
Privilege Escalation
T1548.002
Bypass User Account Control
Privilege Escalation
T1555.003
Credentials from Web Browsers
Credential Access
T1558.003
Kerberoasting
Credential Access
T1564.003
Hidden Window
Defense Evasion
T1608.001
Upload Malware
Resource Development
T1685
T1685

Source Articles

Cruciferra Crypter Uses BYOVD and Process Ghosting to Hide Windows Malware
Cruciferra, a sophisticated crypter service linked to a China-based cybercrime group, is being used to deliver remote access trojans (RATs) and information stealers via phishing campaigns. It leverages advanced evasion techniques such as BYOVD, Process Ghosting, and API unhooking to avoid detection and hinder analysis. The threat targets multiple sectors including finance, healthcare, and government, primarily through tax-themed and social engineering lures. The malware establishes persistence via registry modifications and executes payloads in memory to minimize forensic traces.
hacker-news ·1d ago
Malicious Go Module Exposes GitHub Malware Lure Network Spanning 222 Repositories
A malicious Go module, github.com/kaleidora/dnsub-scanning-tool, serves as a lure to deliver a multi-stage Windows malware chain involving hidden PowerShell execution and encrypted payload resolution via public dead drops. The campaign, tracked as Operation Muck and Load, leverages a network of 222 GitHub repositories across 190 accounts to create credibility and scale for malicious or deceptive software projects. These repositories use synthetic activity to appear recently maintained, facilitating social engineering and malware distribution. The final payload includes RATs such as AsyncRAT, Quasar, and Remcos, along with infostealers like Vidar, enabling credential theft, screen capture, and persistence.
socket-dev
ThreatsDay: Cloud Bucket Hijacking, Windows LPE Chain, Global Fraud Bust + 17 More Stories
This week's threat landscape highlights a range of cyber activities, from cloud bucket hijacking and ransomware tooling overlaps to social engineering campaigns and supply chain attacks. Notable incidents include a global fraud operation resulting in nearly 6,000 arrests, typosquatting of payment SDKs on npm and PyPI, and the abuse of Microsoft Teams for delivering EtherRAT. Additionally, new techniques like Process Parameter Poisoning and ADFS token forgery underscore evolving evasion and privilege escalation methods.
hacker-news ·2w ago