Ursnif — Örnek SHA256: 83ece9c5 | High Tehdit Analizi

Cryptographic Identifiers

Malware Family: Ursnif

Ursnif, eski trojan'dır.

Threat Indicators (IOC)

• SHA256: 83ece9c5d6ffe0e99276becec96bc1c181a731ebd2fb95eaef329d2fbbec7271
• MD5: efbf74507e9d74f3e972192b91e56b86

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: 83ece9c5d6ffe0e9"
        threat_level = "high"
        first_seen = "2023-03-22"
    condition:
        hash.sha256(0, filesize) == "83ece9c5d6ffe0e99276becec96bc1c181a731ebd2fb95eaef329d2fbbec7271"
}