GuLoader — Örnek SHA256: a1c90b20 | Medium Tehdit Analizi

Cryptographic Identifiers

Malware Family: GuLoader

GuLoader, bulut downloader'dır.

Threat Indicators (IOC)

• SHA256: a1c90b2001fa92e59d6062b4c5b672f3d24f8fa4fc8f095bd964b303007b2ac3
• MD5: a36e491779433d610ddc32eb3d460b9e

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: a1c90b2001fa92e5"
        threat_level = "medium"
        first_seen = "2025-12-08"
    condition:
        hash.sha256(0, filesize) == "a1c90b2001fa92e59d6062b4c5b672f3d24f8fa4fc8f095bd964b303007b2ac3"
}