Hash / InfoWert
SHA2565abb7f303993ec6e3165dbcabd1a1f668ffd0d90bfbf2259f78e596006f7ba29
MD57c32e339454b4004b24f03dea493b99b
SHA17248167f9a6e2f65cd3fd17a06f81ae92c1255e0
ImpHash5a7186700e800593eaa3c00276a7d99c
Datei Adi7c.exe
Dateitypexe
Größe532,480 bytes
Erstsichtung2023-10-09

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

exeGozi

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 5abb7f303993ec6e3165dbcabd1a1f668ffd0d90bfbf2259f78e596006f7ba29 # MD5 7c32e339454b4004b24f03dea493b99b
TypWertBemerkung
sha256 5abb7f303993ec6e3165dbcabd1a1f668ffd0d90bfbf2259f78e596006f7ba29
md5 7c32e339454b4004b24f03dea493b99b

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
exeGozi