Grandoreiro — Örnek SHA256: 3412b5b2 | High Tehdit Analizi

Cryptographic Identifiers

Malware Family: Grandoreiro

Grandoreiro, LA bankacılık trojanıdır.

Threat Indicators (IOC)

• SHA256: 3412b5b200db5bcac9a21721551ac226386993f5ea078d1f73996c48c5635fd4
• MD5: ddb2b8fe98eb66bb69c35813d7dd8981

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: 3412b5b200db5bca"
        threat_level = "high"
        first_seen = "2025-03-25"
    condition:
        hash.sha256(0, filesize) == "3412b5b200db5bcac9a21721551ac226386993f5ea078d1f73996c48c5635fd4"
}