Grandoreiro — Örnek SHA256: f251a01b | High Tehdit Analizi

Cryptographic Identifiers

Malware Family: Grandoreiro

Grandoreiro, LA bankacılık trojanıdır.

Threat Indicators (IOC)

• SHA256: f251a01b631d64ef9a896f83ce5bbc76b1b9abaf89f6fffca8b899132a3309c5
• MD5: 45524e111286f33c0dfb33abd9771ff2

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: f251a01b631d64ef"
        threat_level = "high"
        first_seen = "2025-03-24"
    condition:
        hash.sha256(0, filesize) == "f251a01b631d64ef9a896f83ce5bbc76b1b9abaf89f6fffca8b899132a3309c5"
}