Hash / InformaciónValor
SHA256af5ab2fe7ce0179797ec567321195cedab5285daceaf11cac64d762c2d1734ca
MD5ad114835e62bf89f26f5e9231cb50bba
SHA1f8b0fe2e956b50a65eb722a1792fa5f16be9892e
Archivo AdiNormativa url
Tipo de archivourl
Tamaño206 bytes
Primera detección2023-09-27

Tehdit Valorlendirmesi

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.

Capacidades detectadas

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

Etiquetas de MalwareBazaar

agenziaentrateGoziurlUrsnif

Nota de análisis

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

Ursnif — Perfil del malware

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

Tipo de malware
Other
Lenguaje de programación
C++
Protocolo C2
HTTPS
Sistemas objetivo
Windows
También conocido como (AKA)
Gozi

Detalles técnicos

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.

Atribución / Actor de amenaza

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

Capacidades y comportamiento

Zararlı Yazılım Aktivitesi
Kalıcılık Mekanizması
C2 İletişimi
Anti-Analiz

Lista IOC (2 indicadores)

IOC — Ursnif
# SHA256 af5ab2fe7ce0179797ec567321195cedab5285daceaf11cac64d762c2d1734ca # MD5 ad114835e62bf89f26f5e9231cb50bba
TipoValorNota
sha256 af5ab2fe7ce0179797ec567321195cedab5285daceaf11cac64d762c2d1734ca
md5 ad114835e62bf89f26f5e9231cb50bba

Servidores C2 (1 servidores registrados para esta familia)

Dirección Tipo Puerto Protocolo Estado País
91.92.109.38 ip 8080 HTTP sinkholed RU

Las direcciones C2 se proporcionan únicamente a partir de muestras de malware verificadas manualmente por el equipo KEYDAL. Se prohíbe el uso comercial.

Etiquetas
agenziaentrateGoziurlUrsnif