SystemBC — 36e536a514745cab05f83cbe5f4a412e.exe [539b8963]

Cryptographic Identifiers

Malware Family: SystemBC

SystemBC, SOCKS5 proxy ve C2 dropper'dır.

Threat Indicators (IOC)

• SHA256: 539b89630bf205ece9a5e8e8a1326534c5a39dc511839c68ecb99ef9f5a97715
• MD5: 36e536a514745cab05f83cbe5f4a412e

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: 539b89630bf205ec"
        threat_level = "medium"
        first_seen = "2025-02-28"
    condition:
        hash.sha256(0, filesize) == "539b89630bf205ece9a5e8e8a1326534c5a39dc511839c68ecb99ef9f5a97715"
}