CobaltStrike | Tehdit Seviyesi: critical | Tür: C2 Framework

Kriptografik Tanımlayıcılar

SHA256c700f500eb67d2262fbb9442f01e66782ea352bcb1a5165e3be35c3fa51c4b0e
MD534521eff686372f826e234826dbee1cc
Dosya Türüjs
Boyut3.9 KB
İlk Görülme2024-05-02
Dosya Adıdeobfuscated.js
EtiketlerCobaltStrike, deobfuscated, js, winPS1 dropper

Malware Ailesi: CobaltStrike

Cobalt Strike, 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: c700f500eb67d2262fbb9442f01e66782ea352bcb1a5165e3be35c3fa51c4b0e
  • MD5: 34521eff686372f826e234826dbee1cc

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: c700f500eb67d226"
        threat_level = "critical"
        first_seen = "2024-05-02"
    condition:
        hash.sha256(0, filesize) == "c700f500eb67d2262fbb9442f01e66782ea352bcb1a5165e3be35c3fa51c4b0e"
}

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 c700f500eb67d2262fbb9442f01e66782ea352bcb1a5165e3be35c3fa51c4b0e # MD5 34521eff686372f826e234826dbee1cc
TypeValueNote
sha256 c700f500eb67d2262fbb9442f01e66782ea352bcb1a5165e3be35c3fa51c4b0e Sample:CobaltStrike
md5 34521eff686372f826e234826dbee1cc 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