Hachage / InfoValeur
SHA256122742e0a532636207c9bc6f0ae44e45c5bd1df87cb5a1aa475f7fbdb0cc521f
MD59872c3c580e8bd1a22cd4698e73e3f9a
SHA1396576ffc8211cca1e4509e29f29e74883c626d2
ImpHashc5bea3af9ed47721d7cea014463c7307
Fichier Adi9872c3c580e8bd1a22cd4698e73e3f9a
Type de fichierexe
Taille299,520 bytes
Première observation2023-10-06

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

32agenziaentratecommunicalink-comexeGoziUrsnif

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 122742e0a532636207c9bc6f0ae44e45c5bd1df87cb5a1aa475f7fbdb0cc521f # MD5 9872c3c580e8bd1a22cd4698e73e3f9a
TypeValeurNote
sha256 122742e0a532636207c9bc6f0ae44e45c5bd1df87cb5a1aa475f7fbdb0cc521f
md5 9872c3c580e8bd1a22cd4698e73e3f9a

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
32agenziaentratecommunicalink-comexeGoziUrsnif