Hash / InfoWert
SHA2567665e793186c3c83ec2c2c69adaee5e81ec60d395d8714921352296a5ab88ae6
MD5a3f4c907a088c99a8b7bf5f4280d7d0c
SHA19a9297bd0af1c008eb7477c1e310ce70c30c6d56
ImpHash3cb81ba964fc4d7ae05be4477da2cf43
Datei Adi7665e793186c3c83ec2c2c69adaee5e81ec60d395d8714921352296a5ab88ae6
Dateitypexe
Größe311,808 bytes
Erstsichtung2023-10-05

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

agenziaentrateexeGoziUrsnif

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 7665e793186c3c83ec2c2c69adaee5e81ec60d395d8714921352296a5ab88ae6 # MD5 a3f4c907a088c99a8b7bf5f4280d7d0c
TypWertBemerkung
sha256 7665e793186c3c83ec2c2c69adaee5e81ec60d395d8714921352296a5ab88ae6
md5 a3f4c907a088c99a8b7bf5f4280d7d0c

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
agenziaentrateexeGoziUrsnif