Fichier Kimligi
| SHA256 | 8bda7db9909e9b4e49e2c04c8f5d4e9b21af6f8ca56b92d3e1c7a12f8e34bc91 |
|---|---|
| Yem Adi | Faktura-F260021.exe (Avrupa fatura yemi) |
| Dis Katman | NSIS v3.12 (Nullsoft Scriptable Install System) |
| Taille | 180.456 byte |
Email IOC
Email: Rumbaen173@Hayed.Syn
GuLoader Teknigi
- NSIS installer dis katmani anti-sandbox olarak kullanilir
- GuLoader, shellcode'u sifrelenmis blob olarak bulut depolamada (OneDrive, Google Drive, GitHub) barindirir
- Runtime'da shellcode bellege cozulur ve AgentTesla, NjRAT veya RedLine gibi ikinci asama yuklenir
GuLoader Hakkinda
GuLoader (CloudEyE), 2019 yilinda ortaya cikan ve shellcode-based downloader teknigi ile tanınan bir loader ailesidir. Mesgru bulut servislerini (Google Drive, OneDrive, Dropbox, Discord CDN) payload barindirma icin kullanimasi ile tespiti guclestirir. Avrupa'da sahte fatura/siparis yemi ile yaygin kullanimi gorulmektedir.
IOC
| SHA256 | 8bda7db9909e9b4e49e2c04c8f5d4e9b21af6f8ca56b92d3e1c7a12f8e34bc91 |
|---|---|
| Rumbaen173@Hayed.Syn | |
| Yem | Faktura-F260021.exe (Avrupa fatura) |
GuLoader — Profil du malware
GuLoader/CloudEyE NSIS/VB dropper. recibo Ispanyolca makbuz. Çift locale tespiti. Registry silme.
Détails techniques
Varyanta gore C/C#/VBS/PS1, anti-analysis (VM/debugger check), persistence (Registry/Task Scheduler/Startup folder), payload decryption ve injection (shellcode/PE), fileless execution teknikleri
Capacités et comportement
Liste IOC (1 indicateurs)
# SHA256
8bda7db9909e9b4e49e2c04c8f5d4e9b21af6f8ca56b92d3e1c7a12f8e34bc91
| Type | Valeur | Note |
|---|---|---|
| sha256 | 8bda7db9909e9b4e49e2c04c8f5d4e9b21af6f8ca56b92d3e1c7a12f8e34bc91 |
Serveurs C2 (4 serveurs enregistrés pour cette famille)
| Adresse | Type | Port | Protocole | Statut | Pays |
|---|---|---|---|---|---|
| 45.155.37.29 | ip | 443 | HTTPS | inactive | RU |
| onedrive-cloud-storage.com | domain | 443 | HTTPS | inactive | US |
| 179.60.150.11 | ip | 80 | HTTP | inactive | SE |
| 185.250.151.13 | ip | 443 | HTTPS | inactive | DE |
Les adresses C2 proviennent uniquement d'échantillons de malwares vérifiés manuellement par l'équipe KEYDAL. Toute utilisation commerciale est interdite.