Ursnif — Örnek SHA256: 664c6c7d | High Tehdit Analizi

Cryptographic Identifiers

Malware Family: Ursnif

Ursnif, eski trojan'dır.

Threat Indicators (IOC)

• SHA256: 664c6c7d68f81fc3bf7ad13b7290df0d456d7efc00a8d33a72ff9e44232edd70
• MD5: 93e85368e30ba51c5ae96c7faca70cad

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 Ursnif_SHA256 {
    meta:
        description = "Ursnif sample: 664c6c7d68f81fc3"
        threat_level = "high"
        first_seen = "2023-09-27"
    condition:
        hash.sha256(0, filesize) == "664c6c7d68f81fc3bf7ad13b7290df0d456d7efc00a8d33a72ff9e44232edd70"
}