RetroC2 RAT (also known as RetroC2) is a Go-based remote access trojan active since 2023. Retro-themed C2 RAT. Key capabilities include: Go-based, modular post-exploitation, API-based C2, emerging threat.
Overview & Background
Retro-themed C2 RAT. First observed in 2023, RetroC2 RAT is attributed to eCrime. The malware is written in Go and provides operators with comprehensive remote access capabilities.
RetroC2 RAT continues to be actively distributed and used in campaigns targeting organizations worldwide. Its capabilities include: Go-based, modular post-exploitation, API-based C2, emerging threat.
- Language: Go
- Active since: 2023
- Attribution: eCrime
- Also known as: RetroC2
Technical Capabilities
- Go-Based: Core RetroC2 RAT capability T1059
- Modular Post-Exploitation: Core RetroC2 RAT capability T1059
- Api-Based C2: Core RetroC2 RAT capability T1059
- Emerging Threat: Core RetroC2 RAT capability T1059
Distribution Methods
RetroC2 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 Go processes with network connections from unusual locations
- Network monitoring: Detect C2 traffic patterns associated with RetroC2 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 RetroC2 RAT variants
Protect Against Remote Access Trojans
Mjolnir Security provides comprehensive detection and response capabilities against RetroC2 RAT and similar RAT threats.
- RAT Detection & Removal Identify and remediate RetroC2 RAT infections including persistence mechanisms and lateral movement artifacts.
- Threat Intelligence Continuous monitoring for RetroC2 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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