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

Datei Kimligi

SHA2568bda7db9909e9b4e49e2c04c8f5d4e9b21af6f8ca56b92d3e1c7a12f8e34bc91
Yem AdiFaktura-F260021.exe (Avrupa fatura yemi)
Dis KatmanNSIS v3.12 (Nullsoft Scriptable Install System)
Größe180.456 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-Profil

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

Malware-Typ
Loader
Programmiersprache
C
C2-Protokoll
HTTPS
Zielsysteme
Windows
Auch bekannt als (AKA)
CloudEyE

Technische 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

Fähigkeiten & Verhalten

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

IOC-Liste (1 Indikatoren)

IOC — GuLoader
# SHA256 8bda7db9909e9b4e49e2c04c8f5d4e9b21af6f8ca56b92d3e1c7a12f8e34bc91
TypWertBemerkung
sha256 8bda7db9909e9b4e49e2c04c8f5d4e9b21af6f8ca56b92d3e1c7a12f8e34bc91
GuLoader — Zum vollständigen Profil →

C2-Server (4 erfasste Server für diese Familie)

Adresse Typ Port Protokoll Status Land
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-Adressen stammen ausschließlich aus vom KEYDAL-Team manuell verifizierten Malware-Samples. Kommerzielle Nutzung ist untersagt.

Tags
guloadercloudeyensisfakturafaturaemail-iocdropper