Grandoreiro — Örnek SHA256: a9f9baa6 | High Tehdit Analizi

Cryptographic Identifiers

Malware Family: Grandoreiro

Grandoreiro, LA bankacılık trojanıdır.

Threat Indicators (IOC)

• SHA256: a9f9baa69dd0b15747c01aa676052b3de1f173f5da7928b8816a7c8779065358
• MD5: 9f370a4d78e168070152cd7a62c93ea0

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: a9f9baa69dd0b157"
        threat_level = "high"
        first_seen = "2023-03-30"
    condition:
        hash.sha256(0, filesize) == "a9f9baa69dd0b15747c01aa676052b3de1f173f5da7928b8816a7c8779065358"
}