Ursnif — Örnek SHA256: 59f866b9 | High Tehdit Analizi

Cryptographic Identifiers

Malware Family: Ursnif

Ursnif, 2007'den beri aktiftir.

Threat Indicators (IOC)

• SHA256: 59f866b9db3a1f39a341bc274f2c2feacc2bbfe7eaaf9acab5e594db1c2f4ec3
• MD5: 1131e6dae6363ffb403657bc1c91334d

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: 59f866b9db3a1f39"
        threat_level = "high"
        first_seen = "2023-05-31"
    condition:
        hash.sha256(0, filesize) == "59f866b9db3a1f39a341bc274f2c2feacc2bbfe7eaaf9acab5e594db1c2f4ec3"
}