SystemBC — Örnek SHA256: 0b139a93 | Medium Tehdit Analizi

Cryptographic Identifiers

Malware Family: SystemBC

SystemBC, SOCKS5 proxy ve C2 dropper'dır.

Threat Indicators (IOC)

• SHA256: 0b139a9319b8153f34846a4705c1017f213dddf41e7aac830f9a30ccad1ec174
• MD5: 8f50221ba65da7e548ecf7c3d79a14f6

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 SystemBC_SHA256 {
    meta:
        description = "SystemBC sample: 0b139a9319b8153f"
        threat_level = "medium"
        first_seen = "2023-04-09"
    condition:
        hash.sha256(0, filesize) == "0b139a9319b8153f34846a4705c1017f213dddf41e7aac830f9a30ccad1ec174"
}