SystemBC — Örnek SHA256: 1dc9a3c5 | Medium Tehdit Analizi

Cryptographic Identifiers

Malware Family: SystemBC

SystemBC, SOCKS5 proxy ve C2 dropper'dır.

Threat Indicators (IOC)

• SHA256: 1dc9a3c5d28e2e20b5bbbfd229a356ec88364280fa19ecdf0882a9533e7de3b3
• MD5: cc4f80bbbd81cf14599c74e9f8e970ac

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: 1dc9a3c5d28e2e20"
        threat_level = "medium"
        first_seen = "2023-04-02"
    condition:
        hash.sha256(0, filesize) == "1dc9a3c5d28e2e20b5bbbfd229a356ec88364280fa19ecdf0882a9533e7de3b3"
}