Ursnif — Örnek SHA256: 121b1c61 | High Tehdit Analizi

Cryptographic Identifiers

Malware Family: Ursnif

Ursnif, eski trojan'dır.

Threat Indicators (IOC)

• SHA256: 121b1c6100719fe4b4bc3bf3cac96a6d08d9b550282257e57d654d59e1f153bc
• MD5: be2b47cfe43c6554987230adc304981d

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: 121b1c6100719fe4"
        threat_level = "high"
        first_seen = "2023-10-03"
    condition:
        hash.sha256(0, filesize) == "121b1c6100719fe4b4bc3bf3cac96a6d08d9b550282257e57d654d59e1f153bc"
}