GuLoader - Sample SHA256: cd9b8405 | Medium Threat Analysis

Cryptographic Identifiers

Malware Family: GuLoader

GuLoader, bulut üzerinden yük indirir.

Threat Indicators (IOC)

• SHA256: cd9b8405e09bed643ec9f4310de2d377b0d686da1dda72bfb7953cda26024868
• MD5: 3938b1883704e471449f398b59135842

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: cd9b8405e09bed64"
        threat_level = "medium"
        first_seen = "2026-05-20"
    condition:
        hash.sha256(0, filesize) == "cd9b8405e09bed643ec9f4310de2d377b0d686da1dda72bfb7953cda26024868"
}