CobaltStrike — Örnek SHA256: b8da0134 | Critical Tehdit Analizi

Cryptographic Identifiers

Malware Family: CobaltStrike

Cobalt Strike, kötüye kullanılan C2 framework'üdür.

Threat Indicators (IOC)

• SHA256: b8da01345eaa92f4823e5c6097ec592e4e4666380ec4108a350bff0e6cd7d344
• MD5: 158a92efcbd66aaa89a2a8c891b44522

You can verify all hash values of this sample on VirusTotal.

System Cleanup Guide

1. Disconnect the system from the network — unplug ethernet, disable Wi-Fi
2. Terminate suspicious processes from Task Manager
3. Run a full system scan with Malwarebytes or Kaspersky
4. HKCU\Software\Microsoft\Windows\CurrentVersion\Run kayıtlarını kontrol edin
5. Review newly created tasks in Task Scheduler
6. Change all your account passwords from a clean device
7. Gerekirse Windows'u yeniden yükleyin ve verilerinizi temiz bir yedeğe geri alın

YARA Rule Hints

rule CobaltStrike_SHA256 {
    meta:
        description = "CobaltStrike sample: b8da01345eaa92f4"
        threat_level = "critical"
        first_seen = "2025-12-06"
    condition:
        hash.sha256(0, filesize) == "b8da01345eaa92f4823e5c6097ec592e4e4666380ec4108a350bff0e6cd7d344"
}