SystemBC — Örnek SHA256: 4b66c432 | Medium Tehdit Analizi

Cryptographic Identifiers

Malware Family: SystemBC

SystemBC, SOCKS5 proxy ve C2 dropper'dır.

Threat Indicators (IOC)

• SHA256: 4b66c432858b2c0ec8cb9decada25624ae9846cc2e9c42164658c93a310b8c7a
• MD5: b750bddf881fe2339e828d9cdff3720e

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: 4b66c432858b2c0e"
        threat_level = "medium"
        first_seen = "2023-03-25"
    condition:
        hash.sha256(0, filesize) == "4b66c432858b2c0ec8cb9decada25624ae9846cc2e9c42164658c93a310b8c7a"
}