Hash / InfoWert
SHA256122742e0a532636207c9bc6f0ae44e45c5bd1df87cb5a1aa475f7fbdb0cc521f
MD59872c3c580e8bd1a22cd4698e73e3f9a
SHA1396576ffc8211cca1e4509e29f29e74883c626d2
ImpHashc5bea3af9ed47721d7cea014463c7307
Datei Adi9872c3c580e8bd1a22cd4698e73e3f9a
Dateitypexe
Größe299,520 bytes
Erstsichtung2023-10-06

Tehdit Wertlendirmesi

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.

Erkannte Fähigkeiten

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

MalwareBazaar-Tags

32agenziaentratecommunicalink-comexeGoziUrsnif

Analysehinweis

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

Ursnif — Malware-Profil

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

Malware-Typ
Other
Programmiersprache
C++
C2-Protokoll
HTTPS
Zielsysteme
Windows
Auch bekannt als (AKA)
Gozi

Technische Details

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 / Bedrohungsakteur

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

Fähigkeiten & Verhalten

Zararlı Yazılım Aktivitesi
Kalıcılık Mekanizması
C2 İletişimi
Anti-Analiz

IOC-Liste (2 Indikatoren)

IOC — Ursnif
# SHA256 122742e0a532636207c9bc6f0ae44e45c5bd1df87cb5a1aa475f7fbdb0cc521f # MD5 9872c3c580e8bd1a22cd4698e73e3f9a
TypWertBemerkung
sha256 122742e0a532636207c9bc6f0ae44e45c5bd1df87cb5a1aa475f7fbdb0cc521f
md5 9872c3c580e8bd1a22cd4698e73e3f9a

C2-Server (1 erfasste Server für diese Familie)

Adresse Typ Port Protokoll Status Land
91.92.109.38 ip 8080 HTTP sinkholed RU

C2-Adressen stammen ausschließlich aus vom KEYDAL-Team manuell verifizierten Malware-Samples. Kommerzielle Nutzung ist untersagt.

Tags
32agenziaentratecommunicalink-comexeGoziUrsnif