| ハッシュ / 情報 | 値 |
|---|---|
| SHA256 | 713061a3f104a116e82686dcc3d7c28e6bac0ea519a166c43a65b2f10cd0bdcf |
| MD5 | f63d00d962c43095a6de3838401e5b59 |
| SHA1 | c49feab758326a965d30fef2807291cf39c0d61a |
| ImpHash | d94d460f94e7da5b5adad847243e56fc |
| ファイル Adi | putty.exe |
| ファイル種別 | exe |
| サイズ | 299,520 bytes |
| 初回確認 | 2023-10-06 |
Tehdit 値lendirmesi
Bu ornek, hedef sisteme ek zararlı yazılım yuklemek amacıyla tasarlanmis moduler bir yukleyici (loader) olarak tespit edilmistir. Bankacılık trojanları, fidye yazılımları veya diger ikinci asama yukler indirebilmektedir.
検出された機能
- Payload Indirme
- Surec Enjeksiyonu
- Kalicilik
- Anti-Analiz
- Sifrelenmis Iletisim
MalwareBazaar タグ
解析メモ
Bu ornek Ursnif ailesine ait ve MalwareBazaar platformundan alınmıstır. KEYDAL Guvenlik Arastirmaları tarafından metadata analizi gerceklestirilmis ve IOC veritabanına eklenmistir.
Ursnif — マルウェアプロファイル
Ursnif/Gozi ISFB banking trojan 2007. magic.js 1 string max obfuski. kpmg/thelancet camouflage. Discord CDN. Man-in-browser.
技術詳細
Ursnif (Gozi/ISFB) is one of the oldest banking trojans, active since 2007. Source code leaked 2010 and 2015 spawning numerous variants: ISFB, RM3, LDR4. Man-in-the-browser attacks: form grabbing, video capture of banking sessions, web injections. C2 uses RSA-1024 encrypted HTTPS with domain generation algorithm (DGA) as fallback. RSA-2048 for config encryption, custom binary protocol. Anti-analysis: timing-based sandbox evasion, VMware/VirtualBox artifact detection. LDR4 variant (2022) dropped banking features to focus purely on ransomware delivery. Operated by TA544 (Narwhal Spider) in Italy, and by TA551 (Shathak) in Japan. Uses HTTPS for exfiltration with binary data format.
アトリビューション / 脅威アクター
TA544 (Narwhal Spider), TA551 (Shathak), multiple operators
機能と挙動
IOCリスト (2 件の指標)
# SHA256
713061a3f104a116e82686dcc3d7c28e6bac0ea519a166c43a65b2f10cd0bdcf
# MD5
f63d00d962c43095a6de3838401e5b59
| タイプ | 値 | メモ |
|---|---|---|
| sha256 | 713061a3f104a116e82686dcc3d7c28e6bac0ea519a166c43a65b2f10cd0bdcf | |
| md5 | f63d00d962c43095a6de3838401e5b59 |
C2サーバー (このファミリーで1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 |
|---|---|---|---|---|---|
| 91.92.109.38 | ip | 8080 | HTTP | sinkholed | RU |
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。