GuLoader 恶意软件分析

文件属性

SHA256: b8c85906adbd9dd9c8ef76bb684aae5c6a087d05865211a4df7c7a91ff071804

MD5: 402f2ac752fbf300f6562aa0f97db51f

文件类型: js

大小: 17,713 byte

首次发现: 2025-09-23

AV 特征: Formbook

报告者: smica83

标签: FormBook, GuLoader, HUN, js

静态分析:基于元数据(未下载样本)

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
# FILEPATH b8c85906adbd9dd9c8ef76bb684aae5c6a087d05865211a4df7c7a91ff071804
类型备注
filepath b8c85906adbd9dd9c8ef76bb684aae5c6a087d05865211a4df7c7a91ff071804 PDB

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
FormBookGuLoaderHUNjs