Ursnif — Örnek SHA256: ad91c277 | High Tehdit Analizi

Cryptographic Identifiers

Malware Family: Ursnif

Ursnif, 2007'den beri aktiftir.

Threat Indicators (IOC)

• SHA256: ad91c277b04d853c58252d8f86613a021c9680f3a8c2db996f0a8cb4fa05c661
• MD5: 59110bd60291d99065dc852e47dc5c02

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: ad91c277b04d853c"
        threat_level = "high"
        first_seen = "2023-07-04"
    condition:
        hash.sha256(0, filesize) == "ad91c277b04d853c58252d8f86613a021c9680f3a8c2db996f0a8cb4fa05c661"
}