Hachage / InfoValeur
SHA2568bf69fe9bf7e1da499c6b18681b836b3dbf31c1ceb304009354217e95bf11999
MD57bb8b5974a947f223ae2b9517a5641d0
SHA13dd551351bb7a15a9bb3b3b09611b4b9704e4e91
ImpHash4139c221d1b6b96f238c97b827c3e63d
Fichier Adieb5218ce153db41158bdf7700ae8a51e415a418bb63896b3a7138ad49b520598.8cd6_9a00.dll
Type de fichierdll
Taille39,424 bytes
Première observation2024-02-09

Tehdit Valeurlendirmesi

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.

Capacités détectées

  • Payload Indirme
  • Surec Enjeksiyonu
  • Kalicilik
  • Anti-Analiz
  • Sifrelenmis Iletisim

Étiquettes MalwareBazaar

dllGoziUrsnifV3

Note d’analyse

Bu ornek Ursnif ailesine ait ve MalwareBazaar platformundan alınmıstır. KEYDAL Guvenlik Arastirmaları tarafından metadata analizi gerceklestirilmis ve IOC veritabanına eklenmistir.

Ursnif — Profil du malware

Ursnif/Gozi ISFB banking trojan 2007. magic.js 1 string max obfuski. kpmg/thelancet camouflage. Discord CDN. Man-in-browser.

Type de malware
Other
Langage de programmation
C++
Protocole C2
HTTPS
Systèmes ciblés
Windows
Aussi connu sous (AKA)
Gozi

Détails techniques

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.

Attribution / Acteur de la menace

TA544 (Narwhal Spider), TA551 (Shathak), multiple operators

Capacités et comportement

Zararlı Yazılım Aktivitesi
Kalıcılık Mekanizması
C2 İletişimi
Anti-Analiz

Liste IOC (2 indicateurs)

IOC — Ursnif
# SHA256 8bf69fe9bf7e1da499c6b18681b836b3dbf31c1ceb304009354217e95bf11999 # MD5 7bb8b5974a947f223ae2b9517a5641d0
TypeValeurNote
sha256 8bf69fe9bf7e1da499c6b18681b836b3dbf31c1ceb304009354217e95bf11999
md5 7bb8b5974a947f223ae2b9517a5641d0

Serveurs C2 (1 serveurs enregistrés pour cette famille)

Adresse Type Port Protocole Statut Pays
91.92.109.38 ip 8080 HTTP sinkholed RU

Les adresses C2 proviennent uniquement d'échantillons de malwares vérifiés manuellement par l'équipe KEYDAL. Toute utilisation commerciale est interdite.

Tags
dllGoziUrsnifV3