GuLoader — Bunker_(STS)_Notification..exe [6ba3a37a]

Cryptographic Identifiers

Malware Family: GuLoader

GuLoader, bulut üzerinden yük indirir.

Threat Indicators (IOC)

• SHA256: 6ba3a37ac78eef40080be3a47e0ebcc30619221480d5bdd60a97fd571bda2ba2
• MD5: c176fa88d211acc3d63d6c8d3cf8d5a6

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: 6ba3a37ac78eef40"
        threat_level = "medium"
        first_seen = "2026-05-20"
    condition:
        hash.sha256(0, filesize) == "6ba3a37ac78eef40080be3a47e0ebcc30619221480d5bdd60a97fd571bda2ba2"
}