GuLoader Malware Analysis
File Properties
SHA256: af624a6f2bfceaacff6bc589279529b37b280287d4230e5d46c6f07aa03b8af8
MD5: 5540f8ce0531b155fb89e4500d0656f6
File Type: js
Size: 387,123 byte
First Seen: 2025-12-10
AV Signature: RemcosRAT
Reported By: abuse_ch
Tags: GuLoader, js, RAT, RemcosRAT
Static analysis: metadata-based (sample not downloaded)
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
# FILEPATH
af624a6f2bfceaacff6bc589279529b37b280287d4230e5d46c6f07aa03b8af8
| Type | Value | Note |
|---|---|---|
| filepath | af624a6f2bfceaacff6bc589279529b37b280287d4230e5d46c6f07aa03b8af8 | PDB |
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.