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

文件 Kimligi

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

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

GuLoader — 恶意软件档案

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

恶意软件类型
Loader
编程语言
C
C2协议
HTTPS
目标系统
Windows
别名 (AKA)
CloudEyE

技术细节

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

能力与行为

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

IOC列表 (1 个指标)

IOC — GuLoader
# SHA256 8bda7db9909e9b4e49e2c04c8f5d4e9b21af6f8ca56b92d3e1c7a12f8e34bc91
类型值备注
sha256 8bda7db9909e9b4e49e2c04c8f5d4e9b21af6f8ca56b92d3e1c7a12f8e34bc91
GuLoader — 查看完整档案 →

C2服务器 (该家族共有 4 台已记录服务器)

地址 类型 端口 协议 状态 国家
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 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。

标签
guloadercloudeyensisfakturafaturaemail-iocdropper