Grandoreiro — Örnek SHA256: a1c53dcd | High Tehdit Analizi

Cryptographic Identifiers

Malware Family: Grandoreiro

Grandoreiro, LA bankacılık trojanıdır.

Threat Indicators (IOC)

• SHA256: a1c53dcd0f4f95612219f728a862f446c7d1f287d1840f623ef44a0cd43e9957
• MD5: 4e9d4809bade35ed80134c7656d3203b

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: a1c53dcd0f4f9561"
        threat_level = "high"
        first_seen = "2025-03-05"
    condition:
        hash.sha256(0, filesize) == "a1c53dcd0f4f95612219f728a862f446c7d1f287d1840f623ef44a0cd43e9957"
}