Grandoreiro — Örnek SHA256: 4d1d80a4 | High Tehdit Analizi

Cryptographic Identifiers

Malware Family: Grandoreiro

Grandoreiro, LA bankacılık trojanıdır.

Threat Indicators (IOC)

• SHA256: 4d1d80a4b4aae5d93206369775689020ba7dd31426b20d190f44738c61b55099
• MD5: ed48eee39e28959ee5c381b7352489da

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: 4d1d80a4b4aae5d9"
        threat_level = "high"
        first_seen = "2025-03-24"
    condition:
        hash.sha256(0, filesize) == "4d1d80a4b4aae5d93206369775689020ba7dd31426b20d190f44738c61b55099"
}