GuLoader — Örnek SHA256: bf58137d | Medium Tehdit Analizi

Cryptographic Identifiers

Malware Family: GuLoader

GuLoader, bulut downloader'dır.

Threat Indicators (IOC)

• SHA256: bf58137d133c114702ef79bf5f8757fff9102cdcf8ac1baf12a11c61f79f41b3
• MD5: 9519d0c47bd837af67c8507dd3f23f3d

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: bf58137d133c1147"
        threat_level = "medium"
        first_seen = "2025-12-02"
    condition:
        hash.sha256(0, filesize) == "bf58137d133c114702ef79bf5f8757fff9102cdcf8ac1baf12a11c61f79f41b3"
}