Grandoreiro — Örnek SHA256: 03ffbecb | High Tehdit Analizi

Cryptographic Identifiers

Malware Family: Grandoreiro

Grandoreiro, LA bankacılık trojanıdır.

Threat Indicators (IOC)

• SHA256: 03ffbecb1561db61a61c9eb7d2ddffbe5aa5f8d979dfc6ebbcab94bd8ad07623
• MD5: c2b271e959ba98452acfc1648011a7c6

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: 03ffbecb1561db61"
        threat_level = "high"
        first_seen = "2025-11-07"
    condition:
        hash.sha256(0, filesize) == "03ffbecb1561db61a61c9eb7d2ddffbe5aa5f8d979dfc6ebbcab94bd8ad07623"
}