Ursnif — Örnek SHA256: f139bc8f | High Tehdit Analizi

Cryptographic Identifiers

Malware Family: Ursnif

Ursnif, eski trojan'dır.

Threat Indicators (IOC)

• SHA256: f139bc8f71a483ba058e2577ef5952b85a74cebd302632a121e4bbc0d96bb953
• MD5: 386839452984e2eda4151746d57ea19b

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: f139bc8f71a483ba"
        threat_level = "high"
        first_seen = "2023-03-20"
    condition:
        hash.sha256(0, filesize) == "f139bc8f71a483ba058e2577ef5952b85a74cebd302632a121e4bbc0d96bb953"
}