CobaltStrike | Tehdit Seviyesi: critical | Tür: C2 Framework

Kriptografik Tanımlayıcılar

SHA2563363288029a4f8d32c0e90721473cb8df8e1e0f17913eae45540842031bd78c7
MD5e40adba71b2c25f4d5c729c5bebdb4fa
Dosya Türüexe
Boyut3946.8 KB
İlk Görülme2025-07-22
Dosya AdıVBoxRT.dll
Etiketlerbackdoor, CobaltStrike, exe, Shellcode, shylock

Malware Ailesi: CobaltStrike

Cobalt Strike, kötüye kullanılan C2 framework'üdür.

TürC2 Framework
Programlama DiliJava
Hedef PlatformWindows/Linux
C2 ProtokolüHTTPS
AmaçPost-exploitation C2
İlk Görülen Yıl2012
Diğer İsimlerCS Beacon

Tehdit Göstergeleri (IOC)

  • SHA256: 3363288029a4f8d32c0e90721473cb8df8e1e0f17913eae45540842031bd78c7
  • MD5: e40adba71b2c25f4d5c729c5bebdb4fa

Bu örneğin tüm hash değerlerini VirusTotal üzerinde doğrulayabilirsiniz.

Sistem Temizleme Rehberi

  1. Sistemi ağdan ayırın — ethernet çıkarın, Wi-Fi devre dışı bırakın
  2. Görev Yöneticisi'nden şüpheli process'leri sonlandırın
  3. Malwarebytes veya Kaspersky ile tam sistem taraması yapın
  4. HKCU\Software\Microsoft\Windows\CurrentVersion\Run kayıtlarını kontrol edin
  5. Yeni oluşturulan görevleri Task Scheduler'dan inceleyin
  6. Tüm hesap şifrelerinizi güvenli bir cihazdan değiştirin
  7. Gerekirse Windows'u yeniden yükleyin ve verilerinizi temiz bir yedeğe geri alın

YARA Kuralı İpuçları

rule CobaltStrike_SHA256 {
    meta:
        description = "CobaltStrike sample: 3363288029a4f8d3"
        threat_level = "critical"
        first_seen = "2025-07-22"
    condition:
        hash.sha256(0, filesize) == "3363288029a4f8d32c0e90721473cb8df8e1e0f17913eae45540842031bd78c7"
}

CobaltStrike — Malware Profile

Cobalt Strike red team C2. @config @connect @key-not-found marker. CreateMutexW. rpc.me potansiyel C2.

Malware Type
C2Framework
Programming Language
Java
C2 Protocol
HTTPS
Target Systems
Windows/Linux
Also Known As (AKA)
CS Beacon

Technical Details

Beacon payload (stageless/staged), C2 malleable profiles, Aggressor Script, process injection (various), lateral movement (psexec/wmi/winrm), credential theft (Mimikatz), HTTPS/DNS/SMB beacon channels

Capabilities & Behavior

Post-Exploitation
Lateral Movement
Mimikatz Entegrasyonu
Process Injection
Payload Staging
Domain Fronting
Covert Channel C2
Beacon İletişimi

IOC List (2 indicators)

IOC — CobaltStrike
# SHA256 3363288029a4f8d32c0e90721473cb8df8e1e0f17913eae45540842031bd78c7 # MD5 e40adba71b2c25f4d5c729c5bebdb4fa
TypeValueNote
sha256 3363288029a4f8d32c0e90721473cb8df8e1e0f17913eae45540842031bd78c7 Sample:CobaltStrike
md5 e40adba71b2c25f4d5c729c5bebdb4fa Sample:CobaltStrike

C2 Servers (4 recorded servers for this family)

Address Type Port Protocol Status Country
185.225.17.100 ip 443 HTTPS inactive —
91.215.153.46 ip 8443 HTTPS inactive —
www.mayerondricka.digital domain 443 HTTPS inactive —
onyxtrustsec.com domain 443 HTTPS inactive —

C2 addresses are provided only from malware samples manually verified by the KEYDAL team. Commercial use is prohibited.

Tags
cobaltstrikec2 frameworkmalwarecriticalsha256hash-analizi