Hash / InfoWert
SHA256d66f5288a48f0e4e35601236c1521ac742420c3e127b11aa190fc54b7ad85ad5
MD57f4e427936de0eecd46ce643bf5c0d36
SHA1d912c978f83f0eed11a70eaaccc79543af5d7ccb
ImpHashf34d5f2d4577ed6d9ceec516c1f5a744
Datei Adi1m9SiKSPDk41YBI2wVIax0JCDD4SexGqGQ-FS3rYWtU.bin
Dateitypexe
Größe1,628,936 bytes
Erstsichtung2023-07-19

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

878155exeGoziUrsnif

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 d66f5288a48f0e4e35601236c1521ac742420c3e127b11aa190fc54b7ad85ad5 # MD5 7f4e427936de0eecd46ce643bf5c0d36
TypWertBemerkung
sha256 d66f5288a48f0e4e35601236c1521ac742420c3e127b11aa190fc54b7ad85ad5
md5 7f4e427936de0eecd46ce643bf5c0d36

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
878155exeGoziUrsnif