Ammyy RAT (also known as Ammyy Admin RAT, FlawedAmmyy) is a C++-based remote access trojan active since 2016. Weaponized remote admin tool. Key capabilities include: remote desktop, file transfer, audio chat, based on leaked Ammyy Admin source.
Overview & Background
Weaponized remote admin tool. First observed in 2016, Ammyy RAT is attributed to TA505 / eCrime. The malware is written in C++ and provides operators with comprehensive remote access capabilities.
Ammyy RAT continues to be actively distributed and used in campaigns targeting organizations worldwide. Its capabilities include: remote desktop, file transfer, audio chat, based on leaked Ammyy Admin source.
- Language: C++
- Active since: 2016
- Attribution: TA505 / eCrime
- Also known as: Ammyy Admin RAT, FlawedAmmyy
Technical Capabilities
- Remote Desktop: Core Ammyy RAT capability T1059
- File Transfer: Core Ammyy RAT capability T1059
- Audio Chat: Core Ammyy RAT capability T1059
- Based On Leaked Ammyy Admin Source: Core Ammyy RAT capability T1059
Distribution Methods
Ammyy RAT is typically distributed through phishing emails with malicious attachments, cracked software downloads, and malvertising campaigns. Common delivery mechanisms include Office macros, ISO/IMG containers, and script-based downloaders.
- Phishing emails: Malicious attachments and links T1566.001
- Malvertising: SEO poisoning and malicious ads T1189
- Cracked software: Bundled with pirated applications
MITRE ATT&CK Mapping
| Tactic | Technique | Usage |
|---|---|---|
| Initial Access | T1566.001 Phishing Attachment | Malicious email attachments |
| Execution | T1204.002 Malicious File | User executes RAT payload |
| Persistence | T1547.001 Registry Run Keys | Autostart persistence |
| Defense Evasion | T1027 Obfuscated Files | Payload obfuscation |
| Credential Access | T1056.001 Keylogging | Keystroke capture |
| Collection | T1113 Screen Capture | Screenshot collection |
| Collection | T1125 Video Capture | Webcam access |
| C2 | T1071.001 Web Protocols | HTTP/HTTPS C2 communication |
Detection & Defense
- Endpoint detection: Monitor for C++ processes with network connections from unusual locations
- Network monitoring: Detect C2 traffic patterns associated with Ammyy RAT
- Email security: Block malicious attachments and links in phishing campaigns
- Application whitelisting: Restrict execution of unauthorized binaries
- YARA rules: Deploy detection signatures for known Ammyy RAT variants
Protect Against Remote Access Trojans
Mjolnir Security provides comprehensive detection and response capabilities against Ammyy RAT and similar RAT threats.
- RAT Detection & Removal Identify and remediate Ammyy RAT infections including persistence mechanisms and lateral movement artifacts.
- Threat Intelligence Continuous monitoring for Ammyy RAT campaigns and infrastructure targeting your organization.
- 24/7 Incident Response Rapid containment and forensic investigation. Call +1 833 403 5875.
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