Fichier Kimliği
| SHA256 | 068af8016c36fce5396288b3c5a4f7d0e2b6c9f1a3d6e8b1c4f7a0d3e6b9c2f0 |
|---|---|
| Nom du fichier | 55ryoipjfdr.exe (DGA-tarzı isim: "55" + 10 rastgele char) |
| Taille | 396.288 byte (387KB) |
| String Sayisi | 7.417 |
DGA-Tarzı Nom du fichier
55ryoipjfdr.exe -- "55" = sayısal önek -- "ryoipjfdr" = rastgele görünen 9 karakter (DGA output gibi) -- Sandbox analiz araçlarını karıştırır (bilinen imza yok) -- Yeniden adlandırılan dropper farklı hash üretir
UrlIsNoHistoryW: Bankacılık Tarayıcı Hook!
UrlIsNoHistoryW (wininet.dll) -- "URL Is No History" = IE'nin bu URL'yi geçmişe ekleme bayrağı -- TrickBot bu API'yi hook'lar: 1. Kurban bankacılık sitesine giriyor 2. UrlIsNoHistoryW çağrıldığında TrickBot araya giriyor 3. URL, kimlik bilgileri, form verisi kaydediliyor 4. Web inject: sahte banka sayfası kurbanına gösteriliyor -- Bu import YALNIZCA bankacılık trojanlarında görülür -- Meşru yazılımların bu fonksiyonu import etmesi gerekmez
WTSSetUserConfigW: Terminal Servis Yanal Hareketi
WTSSetUserConfigW (wtsapi32.dll) -- WTS = Windows Terminal Services (Uzak Masaüstü) -- SetUserConfig = terminal oturumu kullanıcı konfigürasyonu değiştirme -- TrickBot bunu kullanır → kurumsal RDP/RDS ortamlarına yayılır -- Bankacılık hedefi + RDP yanal hareket = tam kurumsal saldırı zinciri
İki C2 Substring
C2H2N2[2`2f2k2 2 262C2Y2g2}2 -- TrickBot RC4 şifreli C2 konfigürasyonundan kalıntılar
IOC
| SHA256 | 068af8016c36fce5396288b3c5a4f7d0e2b6c9f1a3d6e8b1c4f7a0d3e6b9c2f0 |
|---|---|
| Fichier | 55ryoipjfdr.exe (DGA isim) |
| Bankacılık Hook | UrlIsNoHistoryW (IE), WTSSetUserConfigW (RDP yanal) |
TrickBot — Profil du malware
TrickBot modular banking trojan. DGA filename. WTSSetUserConfigW RDP targeting. RegUnLoadKeyA registry hive dump.
Détails techniques
TrickBot is a modular banking trojan and loader developed by WIZARD SPIDER since 2016. Evolved from Dyre banking trojan with modular architecture allowing plugin-based functionality. Modules: pwgrab (credential theft), networkdll (network reconnaissance), shareDll (SMB spread), tabDll (browser form grabbing), vncDll (remote access), mworm/nworm (propagation). Used extensively to deliver Ryuk and Conti ransomware. C2 communication: HTTPS with custom User-Agent strings. Infrastructure disrupted by Microsoft/ESET/Symantec/CISA in October 2020. Key operators arrested/sanctioned; infrastructure rebuilt multiple times. Shifted focus from banking to enterprise ransomware delivery (2019-2022).
Attribution / Acteur de la menace
WIZARD SPIDER, Dyre successor
Capacités et comportement
Liste IOC (1 indicateurs)
# SHA256
068af8016c36fce5396288b3c5a4f7d0e2b6c9f1a3d6e8b1c4f7a0d3e6b9c2f0
| Type | Valeur | Note |
|---|---|---|
| sha256 | 068af8016c36fce5396288b3c5a4f7d0e2b6c9f1a3d6e8b1c4f7a0d3e6b9c2f0 |
Serveurs C2 (7 serveurs enregistrés pour cette famille)
| Adresse | Type | Port | Protocole | Statut | Pays |
|---|---|---|---|---|---|
| 176.111.174.70 | ip | 443 | HTTPS | inactive | RU |
| 45.156.25.1 | ip | 443 | HTTPS | sinkholed | RU |
| 185.234.218.151 | ip | 443 | HTTPS | sinkholed | RU |
| 82.117.252.143 | ip | 449 | HTTPS | sinkholed | DE |
| 45.147.231.250 | ip | 443 | HTTPS | sinkholed | NL |
| 31.214.157.14 | ip | 443 | HTTPS | sinkholed | UA |
| 185.234.219.77 | ip | 449 | HTTPS | sinkholed | RU |
Les adresses C2 proviennent uniquement d'échantillons de malwares vérifiés manuellement par l'équipe KEYDAL. Toute utilisation commerciale est interdite.