Grandoreiro — Örnek SHA256: 9e1cf99f | High Tehdit Analizi

Cryptographic Identifiers

Malware Family: Grandoreiro

Grandoreiro, LA bankacılık trojanıdır.

Threat Indicators (IOC)

• SHA256: 9e1cf99f286827c3f03d4f15e81465080133589e0b75128ac19a7f961fef268e
• MD5: 9d18d666d428622a9317c7c22fee8b2b

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: 9e1cf99f286827c3"
        threat_level = "high"
        first_seen = "2025-03-24"
    condition:
        hash.sha256(0, filesize) == "9e1cf99f286827c3f03d4f15e81465080133589e0b75128ac19a7f961fef268e"
}