QakBot — Örnek SHA256: 21655aa8 | Critical Tehdit Analizi

Cryptographic Identifiers

Malware Family: QakBot

QakBot, 15 yıllık bankacılık trojanıdır.

Threat Indicators (IOC)

• SHA256: 21655aa8370b5541fbaebb6b02da5eb294eaf82066ab42889b8df15a709fb5c3
• MD5: ab56f73616cb46052b1216a5215a0b04

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 QakBot_SHA256 {
    meta:
        description = "QakBot sample: 21655aa8370b5541"
        threat_level = "critical"
        first_seen = "2023-05-24"
    condition:
        hash.sha256(0, filesize) == "21655aa8370b5541fbaebb6b02da5eb294eaf82066ab42889b8df15a709fb5c3"
}