Hash / InfoWert
SHA2568bf69fe9bf7e1da499c6b18681b836b3dbf31c1ceb304009354217e95bf11999
MD57bb8b5974a947f223ae2b9517a5641d0
SHA13dd551351bb7a15a9bb3b3b09611b4b9704e4e91
ImpHash4139c221d1b6b96f238c97b827c3e63d
Datei Adieb5218ce153db41158bdf7700ae8a51e415a418bb63896b3a7138ad49b520598.8cd6_9a00.dll
Dateitypdll
Größe39,424 bytes
Erstsichtung2024-02-09

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

dllGoziUrsnifV3

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 8bf69fe9bf7e1da499c6b18681b836b3dbf31c1ceb304009354217e95bf11999 # MD5 7bb8b5974a947f223ae2b9517a5641d0
TypWertBemerkung
sha256 8bf69fe9bf7e1da499c6b18681b836b3dbf31c1ceb304009354217e95bf11999
md5 7bb8b5974a947f223ae2b9517a5641d0

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
dllGoziUrsnifV3