CobaltStrike — Örnek SHA256: a35f8e9f | Critical Tehdit Analizi

Cryptographic Identifiers

Malware Family: CobaltStrike

Cobalt Strike, C2 framework'üdür.

Threat Indicators (IOC)

• SHA256: a35f8e9f2fd09bb07fb30f15a380907f597ae38ae5c8f2f8fbc4d334ad0ffe9a
• MD5: 6fae1d66f1dc58e088d04b498b707e9f

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: a35f8e9f2fd09bb0"
        threat_level = "critical"
        first_seen = "2024-05-18"
    condition:
        hash.sha256(0, filesize) == "a35f8e9f2fd09bb07fb30f15a380907f597ae38ae5c8f2f8fbc4d334ad0ffe9a"
}