Manuel Statik Analiz (LLM Okumali) — GuLoader (CloudEyE) NSIS Dropper | Tehdit: YUKSEK

Dosya Kimligi

SHA2568bda7db9909e9b4e49e2c04c8f5d4e9b21af6f8ca56b92d3e1c7a12f8e34bc91
Yem AdiFaktura-F260021.exe (Avrupa fatura yemi)
Dis KatmanNSIS v3.12 (Nullsoft Scriptable Install System)
Boyut180.456 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

SHA2568bda7db9909e9b4e49e2c04c8f5d4e9b21af6f8ca56b92d3e1c7a12f8e34bc91
EmailRumbaen173@Hayed.Syn
YemFaktura-F260021.exe (Avrupa fatura)

GuLoader — Malware Profile

GuLoader/CloudEyE NSIS/VB dropper. recibo Ispanyolca makbuz. Çift locale tespiti. Registry silme.

Malware Type
Loader
Programming Language
C
C2 Protocol
HTTPS
Target Systems
Windows
Also Known As (AKA)
CloudEyE

Technical Details

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

Capabilities & Behavior

Payload İndirme
Süreç Enjeksiyonu
Modüler Mimari
Kimlik Bilgisi Hırsızlığı
Yanal Hareket
Kalıcılık
Anti-VM/Sandbox
İkincil Payload Dağıtımı

IOC List (1 indicators)

IOC — GuLoader
# SHA256 8bda7db9909e9b4e49e2c04c8f5d4e9b21af6f8ca56b92d3e1c7a12f8e34bc91
TypeValueNote
sha256 8bda7db9909e9b4e49e2c04c8f5d4e9b21af6f8ca56b92d3e1c7a12f8e34bc91
GuLoader — Go to Full Profile →

C2 Servers (4 recorded servers for this family)

Address Type Port Protocol Status Country
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

C2 addresses are provided only from malware samples manually verified by the KEYDAL team. Commercial use is prohibited.

Tags
guloadercloudeyensisfakturafaturaemail-iocdropper