CobaltStrike | Threat Level: critical | Type: C2 Framework

Cryptographic Identifiers

SHA25630222fa4feaffc3708c73018ddb7aed0c5c5b3b5c8ec4ccb5463045ea9ff8d99
MD5400dc0e35d232744a31adbf6f75e3182
File Typeelf
Size1392.0 KB
First Seen2025-12-16
File Namex
TagsCobaltStrike, elf

Malware Family: CobaltStrike

Cobalt Strike, kötüye kullanılan C2 framework'üdür.

TypeC2 Framework
Programming LanguageJava
Target PlatformWindows/Linux
C2 ProtocolHTTPS
PurposePost-exploitation C2
First Seen Year2012
AliasesCS Beacon

Threat Indicators (IOC)

  • SHA256: 30222fa4feaffc3708c73018ddb7aed0c5c5b3b5c8ec4ccb5463045ea9ff8d99
  • MD5: 400dc0e35d232744a31adbf6f75e3182

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: 30222fa4feaffc37"
        threat_level = "critical"
        first_seen = "2025-12-16"
    condition:
        hash.sha256(0, filesize) == "30222fa4feaffc3708c73018ddb7aed0c5c5b3b5c8ec4ccb5463045ea9ff8d99"
}

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 30222fa4feaffc3708c73018ddb7aed0c5c5b3b5c8ec4ccb5463045ea9ff8d99 # MD5 400dc0e35d232744a31adbf6f75e3182
TypeValueNote
sha256 30222fa4feaffc3708c73018ddb7aed0c5c5b3b5c8ec4ccb5463045ea9ff8d99 Sample:CobaltStrike
md5 400dc0e35d232744a31adbf6f75e3182 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