GuLoader — Örnek SHA256: fdfbac59 | Medium Tehdit Analizi

Cryptographic Identifiers

Malware Family: GuLoader

GuLoader, bulut downloader'dır.

Threat Indicators (IOC)

• SHA256: fdfbac59f423a35014842db3b062b5619bc4d713fcf6eb819492a8cd67ebb329
• MD5: 31dc5cd398bdb4c9ff785250a4f64bfd

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: fdfbac59f423a350"
        threat_level = "medium"
        first_seen = "2025-12-08"
    condition:
        hash.sha256(0, filesize) == "fdfbac59f423a35014842db3b062b5619bc4d713fcf6eb819492a8cd67ebb329"
}