Ursnif — Örnek SHA256: f59b1121 | High Tehdit Analizi

Cryptographic Identifiers

Malware Family: Ursnif

Ursnif, 2007'den beri aktiftir.

Threat Indicators (IOC)

• SHA256: f59b112154fa7b5d054be2543b3ece90ba0c1eb828edc2636602368f2213aadc
• MD5: d960b574ee755efb105b16ddcb6e8ac4

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: f59b112154fa7b5d"
        threat_level = "high"
        first_seen = "2023-07-04"
    condition:
        hash.sha256(0, filesize) == "f59b112154fa7b5d054be2543b3ece90ba0c1eb828edc2636602368f2213aadc"
}