SystemBC - SecuriteInfo.com.FileRepMalware.1537.496 [d91e0131]

Cryptographic Identifiers

Malware Family: SystemBC

SystemBC, SOCKS5 proxy ve C2 dropper'dır.

Threat Indicators (IOC)

• SHA256: d91e0131e9a5854d8a2299742a4332bf127a185b72949d731d5e48aa87144f94
• MD5: 571a3130d8dfa900c4f1fc443b18a69e

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: d91e0131e9a5854d"
        threat_level = "medium"
        first_seen = "2023-07-25"
    condition:
        hash.sha256(0, filesize) == "d91e0131e9a5854d8a2299742a4332bf127a185b72949d731d5e48aa87144f94"
}