CobaltStrike | Tehdit Seviyesi: critical | Tür: C2 Framework

Kriptografik Tanımlayıcılar

SHA2569f238ad7ee69f9a519a3a82b9f90afb5cccc8db46b7b9501d7fe67df90afc9e6
MD539e1091865c811de41e96f38609100e6
Dosya Türüxlsx
Boyut406.7 KB
İlk Görülme2026-04-24
Dosya AdıInternal Communications_230_malicious.docx
EtiketlerCobaltStrike, xlsx

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: 9f238ad7ee69f9a519a3a82b9f90afb5cccc8db46b7b9501d7fe67df90afc9e6
  • MD5: 39e1091865c811de41e96f38609100e6

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: 9f238ad7ee69f9a5"
        threat_level = "critical"
        first_seen = "2026-04-24"
    condition:
        hash.sha256(0, filesize) == "9f238ad7ee69f9a519a3a82b9f90afb5cccc8db46b7b9501d7fe67df90afc9e6"
}

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 9f238ad7ee69f9a519a3a82b9f90afb5cccc8db46b7b9501d7fe67df90afc9e6 # MD5 39e1091865c811de41e96f38609100e6
TypeValueNote
sha256 9f238ad7ee69f9a519a3a82b9f90afb5cccc8db46b7b9501d7fe67df90afc9e6 Sample:CobaltStrike
md5 39e1091865c811de41e96f38609100e6 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