ファイル Kimliği
| SHA256 | 123a833c6ad4fefb0e612a93c8bfb2fda9525414b308f18c9d3ea56a5ea37fff |
|---|---|
| サイズ | 1.007.633 byte (984KB) |
| String Sayisi | 6.342 |
fromChrome9September9 + oHbullshitibChromej2 + boobsrChromeannouncedFirefox: Geliştiricinin Küfürlü Obfuscation
fromChrome9September9 -- "Chrome" + tarih ref
oHbullshitibChromej2 -- "bullshit" + "Chrome"
boobsrChromeannouncedFirefoxatheofaultedM -- "boobs" + "Chrome" + "Firefox"
-- Obfuscation tekniği: meşru kelimeler ("Chrome", "September") + vulgar sözcükler
-- "bullshit" + "boobs" = geliştiricinin yorumları string içinde kaybolmuş
-- Karakterler araya sıkıştırılmış: "from" + "Chrome" + "9" + "September" + "9"
-- Hedef: Chrome + Firefox credential extraction
-- Developer: vulgar string'leri obfuscation malzemesi olarak kullandı
-- Benzer pattern: Dridex'in karakteristik string encoding tekniği
DuiNavigate@DirectUI: C++ RTTI — Windows Shell Framework
??4DuiNavigate@DirectUI@@QEAAAEAV01@A -- "DuiNavigate" = DirectUI navigation (Windows shell UI framework) -- "DirectUI" = Windows shell rendering engine (IE, Explorer) -- C++ RTTI mangled name: "??4" = assignment operator -- "@@QEAAAEAV01@A" = x64 C++ calling convention -- Dridex: DirectUI hook → tarayıcı form verisi hook için Windows shell UI kullanır -- Browser form hooking: kullanıcı web form doldururken şifreleri yakalar
IOC
| SHA256 | 123a833c6ad4fefb0e612a93c8bfb2fda9525414b308f18c9d3ea56a5ea37fff |
|---|---|
| Hedef | Chrome + Firefox (form hooking) |
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 (1 件の指標)
# SHA256
123a833c6ad4fefb0e612a93c8bfb2fda9525414b308f18c9d3ea56a5ea37fff
| タイプ | 値 | メモ |
|---|---|---|
| sha256 | 123a833c6ad4fefb0e612a93c8bfb2fda9525414b308f18c9d3ea56a5ea37fff |
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。