Ursnif — Örnek SHA256: 3e3fd1b4 | High Tehdit Analizi

Cryptographic Identifiers

Malware Family: Ursnif

Ursnif, eski trojan'dır.

Threat Indicators (IOC)

• SHA256: 3e3fd1b4825df1cf0b4c38324e5afcc95cabb954c0c4fda565cb989a3392a998
• MD5: 5ef30a440c500f840ceb0d522ae6a2e4

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: 3e3fd1b4825df1cf"
        threat_level = "high"
        first_seen = "2023-10-10"
    condition:
        hash.sha256(0, filesize) == "3e3fd1b4825df1cf0b4c38324e5afcc95cabb954c0c4fda565cb989a3392a998"
}