Grandoreiro — Örnek SHA256: 3f28cfe5 | High Tehdit Analizi

Cryptographic Identifiers

Malware Family: Grandoreiro

Grandoreiro, Latin Amerika'yı hedefler.

Threat Indicators (IOC)

• SHA256: 3f28cfe503de2cece534fe4bd011c56ce617d9fec645201863136bc8de7e2cfa
• MD5: c6990b24e51c7c6da291a72751e32832

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: 3f28cfe503de2cec"
        threat_level = "high"
        first_seen = "2026-02-17"
    condition:
        hash.sha256(0, filesize) == "3f28cfe503de2cece534fe4bd011c56ce617d9fec645201863136bc8de7e2cfa"
}