Ursnif — Örnek SHA256: 251b7936 | High Tehdit Analizi

Cryptographic Identifiers

Malware Family: Ursnif

Ursnif, eski trojan'dır.

Threat Indicators (IOC)

• SHA256: 251b7936786ed9284ce06582007fe75c3bc301fd0f1060fa53e71e54aff28a7f
• MD5: 82186dbbba674eaeed2b4bb95a5a9fac

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: 251b7936786ed928"
        threat_level = "high"
        first_seen = "2022-07-07"
    condition:
        hash.sha256(0, filesize) == "251b7936786ed9284ce06582007fe75c3bc301fd0f1060fa53e71e54aff28a7f"
}