CobaltStrike | Tehdit Seviyesi: critical | Tür: C2 Framework
Kriptografik Tanımlayıcılar
| SHA256 | 4e791c25ea3e6fe490e9b53a1b13eaafef56d9cfc75930b380fc49fb843212b9 |
|---|---|
| MD5 | 4522725d24ca4eb6f660dcafeacc4af7 |
| Dosya Türü | exe |
| Boyut | 483.0 KB |
| İlk Görülme | 2026-06-26 |
| Dosya Adı | 4e791c25ea3e6fe490e9b53a1b13eaafef56d9cfc75930b380fc49fb843212b9.bin |
| Etiketler | CobaltStrike, exe |
Malware Ailesi: CobaltStrike
Cobalt Strike, kötüye kullanılan C2 framework'üdür.
| Tür | C2 Framework |
|---|---|
| Programlama Dili | Java |
| Hedef Platform | Windows/Linux |
| C2 Protokolü | HTTPS |
| Amaç | Post-exploitation C2 |
| İlk Görülen Yıl | 2012 |
| Diğer İsimler | CS Beacon |
Tehdit Göstergeleri (IOC)
- SHA256:
4e791c25ea3e6fe490e9b53a1b13eaafef56d9cfc75930b380fc49fb843212b9 - MD5:
4522725d24ca4eb6f660dcafeacc4af7
Sistem Temizleme Rehberi
- Sistemi ağdan ayırın — ethernet çıkarın, Wi-Fi devre dışı bırakın
- Görev Yöneticisi'nden şüpheli process'leri sonlandırın
- Malwarebytes veya Kaspersky ile tam sistem taraması yapın
- HKCU\Software\Microsoft\Windows\CurrentVersion\Run kayıtlarını kontrol edin
- Yeni oluşturulan görevleri Task Scheduler'dan inceleyin
- Tüm hesap şifrelerinizi güvenli bir cihazdan değiştirin
- Gerekirse Windows'u yeniden yükleyin ve verilerinizi temiz bir yedeğe geri alın
YARA Kuralı İpuçları
rule CobaltStrike_SHA256 {
meta:
description = "CobaltStrike sample: 4e791c25ea3e6fe4"
threat_level = "critical"
first_seen = "2026-06-26"
condition:
hash.sha256(0, filesize) == "4e791c25ea3e6fe490e9b53a1b13eaafef56d9cfc75930b380fc49fb843212b9"
}
CobaltStrike — Malware-Profil
Cobalt Strike red team C2. @config @connect @key-not-found marker. CreateMutexW. rpc.me potansiyel C2.
Malware-Typ
C2Framework
Programmiersprache
Java
C2-Protokoll
HTTPS
Zielsysteme
Windows/Linux
Auch bekannt als (AKA)
CS Beacon
Technische 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
Fähigkeiten & Verhalten
Post-Exploitation
Lateral Movement
Mimikatz Entegrasyonu
Process Injection
Payload Staging
Domain Fronting
Covert Channel C2
Beacon İletişimi
IOC-Liste (6 Indikatoren)
IOC — CobaltStrike
# SHA256
4e791c25ea3e6fe490e9b53a1b13eaafef56d9cfc75930b380fc49fb843212b9
# MD5
4522725d24ca4eb6f660dcafeacc4af7
# IP
185.225.17.100
# IP
91.215.153.46
# FILEPATH
%TEMP%eacon.dll
# FILEPATH
%SYSTEMROOT%Tempsvchost.exe
| Typ | Wert | Bemerkung |
|---|---|---|
| sha256 | 4e791c25ea3e6fe490e9b53a1b13eaafef56d9cfc75930b380fc49fb843212b9 | CobaltStrike |
| md5 | 4522725d24ca4eb6f660dcafeacc4af7 | CobaltStrike |
| ip | 185.225.17.100 | C2:443 |
| ip | 91.215.153.46 | C2:8443 |
| filepath | %TEMP%eacon.dll | Cobalt Strike beacon DLL |
| filepath | %SYSTEMROOT%Tempsvchost.exe | Cobalt Strike hollowed process |
C2-Server (4 erfasste Server für diese Familie)
| Adresse | Typ | Port | Protokoll | Status | Land |
|---|---|---|---|---|---|
| 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-Adressen stammen ausschließlich aus vom KEYDAL-Team manuell verifizierten Malware-Samples. Kommerzielle Nutzung ist untersagt.