Grandoreiro — Örnek SHA256: 4bf3b306 | High Tehdit Analizi

Cryptographic Identifiers

Malware Family: Grandoreiro

Grandoreiro, LA bankacılık trojanıdır.

Threat Indicators (IOC)

• SHA256: 4bf3b30601c86b25768e276e9e3990184ef791d0ccaf0c118458278e7f2d4ae8
• MD5: 7fef15f5f068f0667b900a484c0936fb

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 Grandoreiro_SHA256 {
    meta:
        description = "Grandoreiro sample: 4bf3b30601c86b25"
        threat_level = "high"
        first_seen = "2025-03-25"
    condition:
        hash.sha256(0, filesize) == "4bf3b30601c86b25768e276e9e3990184ef791d0ccaf0c118458278e7f2d4ae8"
}