Ursnif — Örnek SHA256: a763ec89 | High Tehdit Analizi

Cryptographic Identifiers

Malware Family: Ursnif

Ursnif, eski trojan'dır.

Threat Indicators (IOC)

• SHA256: a763ec89e7f3a2fbf819791230c508a83f56c3363bd05306a989f58824b273e7
• MD5: bf20f4f91b6d1ef49cca31b32f908c2b

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: a763ec89e7f3a2fb"
        threat_level = "high"
        first_seen = "2023-03-01"
    condition:
        hash.sha256(0, filesize) == "a763ec89e7f3a2fbf819791230c508a83f56c3363bd05306a989f58824b273e7"
}