SystemBC — Örnek SHA256: 1bd1c5a7 | Medium Tehdit Analizi

Cryptographic Identifiers

Malware Family: SystemBC

SystemBC, SOCKS5 proxy ve C2 dropper'dır.

Threat Indicators (IOC)

• SHA256: 1bd1c5a709b98d3b13c3cb3572c1c409334807a05257555e8c11f7ddc0d17e36
• MD5: 6f21ef2acc3d9b4bb18800d61c61b2f4

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: 1bd1c5a709b98d3b"
        threat_level = "medium"
        first_seen = "2023-02-09"
    condition:
        hash.sha256(0, filesize) == "1bd1c5a709b98d3b13c3cb3572c1c409334807a05257555e8c11f7ddc0d17e36"
}