GuLoader — Örnek SHA256: 4b12139f | Medium Tehdit Analizi

Cryptographic Identifiers

Malware Family: GuLoader

GuLoader, bulut downloader'dır.

Threat Indicators (IOC)

• SHA256: 4b12139f0bc6a7ef12a930d35de53113a07a63895519d9836cbe33ff17b70eaf
• MD5: 1f0351dada7cc8e1c9d0710c877ec76f

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: 4b12139f0bc6a7ef"
        threat_level = "medium"
        first_seen = "2026-03-19"
    condition:
        hash.sha256(0, filesize) == "4b12139f0bc6a7ef12a930d35de53113a07a63895519d9836cbe33ff17b70eaf"
}