SystemBC — F8CF4064560064AFF327CFEA2EB9017A.exe [5780c778]

Cryptographic Identifiers

Malware Family: SystemBC

SystemBC, SOCKS5 proxy ve C2 dropper'dır.

Threat Indicators (IOC)

• SHA256: 5780c7788362c809ba2c53895b953c61dfcb68660800a20c822c594469e22770
• MD5: f8cf4064560064aff327cfea2eb9017a

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: 5780c7788362c809"
        threat_level = "medium"
        first_seen = "2025-11-25"
    condition:
        hash.sha256(0, filesize) == "5780c7788362c809ba2c53895b953c61dfcb68660800a20c822c594469e22770"
}