ハッシュ / 情報
SHA256015aaa9c91d888a233b64e9a593929175a70055c8a4295d8a1d0d35aa4e94019
MD56b44d25fa0c4444576a8a097b0c6a9b9
SHA1b45e9f47c3065d005da3404366050313b99cf775
ファイル AdiAgenziaEntrate817.zip
ファイル種別zip
サイズ348 bytes
初回確認2023-10-03

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

agenziaentrateGozipw-Agenzia2023Ursnifzip

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.

マルウェアの種類
Other
プログラミング言語
C++
C2プロトコル
HTTPS
標的システム
Windows
別名 (AKA)
Gozi

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

Zararlı Yazılım Aktivitesi
Kalıcılık Mekanizması
C2 İletişimi
Anti-Analiz

IOCリスト (2 件の指標)

IOC — Ursnif
# SHA256 015aaa9c91d888a233b64e9a593929175a70055c8a4295d8a1d0d35aa4e94019 # MD5 6b44d25fa0c4444576a8a097b0c6a9b9
タイプメモ
sha256 015aaa9c91d888a233b64e9a593929175a70055c8a4295d8a1d0d35aa4e94019
md5 6b44d25fa0c4444576a8a097b0c6a9b9

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
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。

タグ
agenziaentrateGozipw-Agenzia2023Ursnifzip