Grandoreiro — Örnek SHA256: fe83c4c5 | High Tehdit Analizi

Cryptographic Identifiers

Malware Family: Grandoreiro

Grandoreiro, LA bankacılık trojanıdır.

Threat Indicators (IOC)

• SHA256: fe83c4c52bc751b0711e7064056f0a3350d396efd164f3e2a9b01e4984c30418
• MD5: 223c79097ffd4a4c03be3fba3f732f9a

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: fe83c4c52bc751b0"
        threat_level = "high"
        first_seen = "2025-03-24"
    condition:
        hash.sha256(0, filesize) == "fe83c4c52bc751b0711e7064056f0a3350d396efd164f3e2a9b01e4984c30418"
}