Kriptografik Tanımlayıcılar
| SHA256 | 55f53b1d9dac903d695b48f52894117a87acd81c1c10fc6eafb6dad5d6bc28b4 |
|---|---|
| MD5 | ba33bff302fdecf939ed96296d93593f |
| Dosya Türü | dll |
| Boyut | 132.0 KB |
| İlk Görülme | 2022-04-09 |
| Dosya Adı | 55f53b1d9dac903d695b48f52894117a87acd81c1c10fc6eafb6dad5d6bc28b4.exe |
| Etiketler | dll, Dridex |
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:
55f53b1d9dac903d695b48f52894117a87acd81c1c10fc6eafb6dad5d6bc28b4 - MD5:
ba33bff302fdecf939ed96296d93593f
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: 55f53b1d9dac903d"
threat_level = "critical"
first_seen = "2022-04-09"
condition:
hash.sha256(0, filesize) == "55f53b1d9dac903d695b48f52894117a87acd81c1c10fc6eafb6dad5d6bc28b4"
}Dridex — マルウェアプロファイル
Dridex Bugat TA505 banking trojan. Chrome/Firefox form hooking with obfuscated strings. DirectUI RTTI.
技術詳細
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.
アトリビューション / 脅威アクター
Evil Corp (TA505), Maksim Yakubets (indicted by FBI)
機能と挙動
IOCリスト (2 件の指標)
# SHA256
55f53b1d9dac903d695b48f52894117a87acd81c1c10fc6eafb6dad5d6bc28b4
# MD5
ba33bff302fdecf939ed96296d93593f
| タイプ | 値 | メモ |
|---|---|---|
| sha256 | 55f53b1d9dac903d695b48f52894117a87acd81c1c10fc6eafb6dad5d6bc28b4 | |
| md5 | ba33bff302fdecf939ed96296d93593f |
C2サーバー (このファミリーで3台のサーバーを記録)
| アドレス | タイプ | ポート | プロトコル | ステータス | 国 |
|---|---|---|---|---|---|
| 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 |
C2アドレスはKEYDALチームが手動で検証したマルウェア検体のみに基づいて提供されています。商用利用は禁止です。