| 哈希 / 信息 | 值 |
|---|---|
| SHA256 | 48c773c90a7f3175484442364334b7a8e6a166dfa771170b2cd9a308f59b3345 |
| MD5 | 8ae1f37abcb4cf2341c01539f5c7c1f9 |
| SHA1 | 9d180586d8f52f464fa63c6a6702669b0231cb8c |
| 文件 Adi | 251573f0000.dll |
| 文件类型 | exe |
| 大小 | 249,856 bytes |
| 首次发现 | 2023-10-10 |
Tehdit 值lendirmesi
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.
检测到的功能
- Payload Indirme
- Surec Enjeksiyonu
- Kalicilik
- Anti-Analiz
- Sifrelenmis Iletisim
MalwareBazaar 标签
分析说明
Bu ornek Ursnif ailesine ait ve MalwareBazaar platformundan alınmıstır. KEYDAL Guvenlik Arastirmaları tarafından metadata analizi gerceklestirilmis ve IOC veritabanına eklenmistir.
Ursnif — 恶意软件档案
Ursnif/Gozi ISFB banking trojan 2007. magic.js 1 string max obfuski. kpmg/thelancet camouflage. Discord CDN. Man-in-browser.
技术细节
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.
归因 / 威胁行为者
TA544 (Narwhal Spider), TA551 (Shathak), multiple operators
能力与行为
IOC列表 (2 个指标)
# SHA256
48c773c90a7f3175484442364334b7a8e6a166dfa771170b2cd9a308f59b3345
# MD5
8ae1f37abcb4cf2341c01539f5c7c1f9
| 类型 | 值 | 备注 |
|---|---|---|
| sha256 | 48c773c90a7f3175484442364334b7a8e6a166dfa771170b2cd9a308f59b3345 | |
| md5 | 8ae1f37abcb4cf2341c01539f5c7c1f9 |
C2服务器 (该家族共有 1 台已记录服务器)
| 地址 | 类型 | 端口 | 协议 | 状态 | 国家 |
|---|---|---|---|---|---|
| 91.92.109.38 | ip | 8080 | HTTP | sinkholed | RU |
C2 地址仅来自 KEYDAL 团队人工验证的恶意软件样本。禁止用于商业用途。