Kriptografik Tanımlayıcılar
| SHA256 | 5b68d2a9ed5ee3d7b5fcda768fdf45c415c74171260387597dd92f3adcdd559b |
|---|---|
| MD5 | 825d3d84bbae136aec8346e590100578 |
| Dosya Türü | xls |
| Boyut | 759.0 KB |
| İlk Görülme | 2021-12-23 |
| Dosya Adı | TermLetter.xls |
| Etiketler | Dridex, xls |
Malware Ailesi: Dridex
Dridex, Evil Corp ile ilişkilidir.
| Tür | Banking Trojan |
|---|---|
| Programlama Dili | C++ |
| Hedef Platform | Windows |
| C2 Protokolü | HTTPS |
| Amaç | Evil Corp bankacılık trojan |
| İlk Görülen Yıl | 2012 |
| Diğer İsimler | Bugat |
Tehdit Göstergeleri (IOC)
- SHA256:
5b68d2a9ed5ee3d7b5fcda768fdf45c415c74171260387597dd92f3adcdd559b - MD5:
825d3d84bbae136aec8346e590100578
Sistem Temizleme Rehberi
- Sistemi ağdan ayırın — ethernet çıkarın, Wi-Fi devre dışı bırakın
- Görev Yöneticisi'nden şüpheli process'leri sonlandırın
- Malwarebytes veya Kaspersky ile tam sistem taraması yapın
- HKCU\Software\Microsoft\Windows\CurrentVersion\Run kayıtlarını kontrol edin
- Yeni oluşturulan görevleri Task Scheduler'dan inceleyin
- Tüm hesap şifrelerinizi güvenli bir cihazdan değiştirin
- Gerekirse Windows'u yeniden yükleyin ve verilerinizi temiz bir yedeğe geri alın
YARA Kuralı İpuçları
rule Dridex_SHA256 {
meta:
description = "Dridex sample: 5b68d2a9ed5ee3d7"
threat_level = "critical"
first_seen = "2021-12-23"
condition:
hash.sha256(0, filesize) == "5b68d2a9ed5ee3d7b5fcda768fdf45c415c74171260387597dd92f3adcdd559b"
}Dridex — Profil du malware
Dridex Bugat TA505 banking trojan. Chrome/Firefox form hooking with obfuscated strings. DirectUI RTTI.
Détails techniques
Dridex (Bugat/Cridex) is a modular banking trojan operated by TA505/Evil Corp since 2011. Uses peer-to-peer botnet architecture for C2 communication to resist takedowns. Modules: form grabber, VNC backdoor, network proxy, credential stealer, spread module. Encrypted communication: RC4 + custom protocol over HTTP. Delivered via Microsoft Office macro phishing (VBA macros). Used to deliver: BitPaymer, WastedLocker, Grief (PayOrGrief) ransomware. Evil Corp sanctioned by US Treasury October 2019, making ransom payments illegal for US entities. Dridex infrastructure heavily overlaps with Locky ransomware campaigns. Botnet IDs (bot IDs): 220, 444, 7777, multiple active botnets simultaneously.
Attribution / Acteur de la menace
Evil Corp (TA505), Maksim Yakubets (indicted by FBI)
Capacités et comportement
Liste IOC (2 indicateurs)
# SHA256
5b68d2a9ed5ee3d7b5fcda768fdf45c415c74171260387597dd92f3adcdd559b
# MD5
825d3d84bbae136aec8346e590100578
| Type | Valeur | Note |
|---|---|---|
| sha256 | 5b68d2a9ed5ee3d7b5fcda768fdf45c415c74171260387597dd92f3adcdd559b | |
| md5 | 825d3d84bbae136aec8346e590100578 |
Serveurs C2 (3 serveurs enregistrés pour cette famille)
| Adresse | Type | Port | Protocole | Statut | Pays |
|---|---|---|---|---|---|
| 79.141.164.52 | ip | 4444 | TCP | sinkholed | RO |
| 185.234.218.151 | ip | 4444 | HTTPS | sinkholed | RU |
| 77.73.133.84 | ip | 443 | HTTPS | sinkholed | BG |
Les adresses C2 proviennent uniquement d'échantillons de malwares vérifiés manuellement par l'équipe KEYDAL. Toute utilisation commerciale est interdite.