GuLoader — Örnek SHA256: fcb4d665 | Medium Tehdit Analizi

Cryptographic Identifiers

Malware Family: GuLoader

GuLoader, bulut downloader'dır.

Threat Indicators (IOC)

• SHA256: fcb4d66581a1c4eb0e79509fbc7bca6ae75bb1a9fa8386f4ac2d8e224596258c
• MD5: 6a63b7ff16064c03423738879df87460

You can verify all hash values of this sample on VirusTotal.

System Cleanup Guide

1. Disconnect the system from the network — the loader may be downloading more malware
2. Analyze every downloaded payload
3. Inspect all network traffic and cut suspicious connections
4. Run a full antivirus scan
5. Consider reimaging the system

YARA Rule Hints

rule GuLoader_SHA256 {
    meta:
        description = "GuLoader sample: fcb4d66581a1c4eb"
        threat_level = "medium"
        first_seen = "2025-12-12"
    condition:
        hash.sha256(0, filesize) == "fcb4d66581a1c4eb0e79509fbc7bca6ae75bb1a9fa8386f4ac2d8e224596258c"
}