GuLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA2565ff84b7c231f6c4cb4a2377ae60e07cc6f6062a32c5a7a7c7b0396d599b7e1a7
MD5e44d835c097c09d0d125717074a57d6f
File Typeexe
Size878.3 KB
First Seen2026-02-25
File NamePO 8940.exe
Tagsexe, GuLoader

Malware Family: GuLoader

GuLoader, bulut downloader'dır.

TypeLoader
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTPS
PurposePayload indirme
First Seen Year2019
AliasesCloudEyE

Threat Indicators (IOC)

  • SHA256: 5ff84b7c231f6c4cb4a2377ae60e07cc6f6062a32c5a7a7c7b0396d599b7e1a7
  • MD5: e44d835c097c09d0d125717074a57d6f

You can verify all hash values of this sample on VirusTotal.

System Cleanup Guide

  1. Disconnect the system from the network — the loader may be downloading more malware
  2. Analyze every downloaded payload
  3. Inspect all network traffic and cut suspicious connections
  4. Run a full antivirus scan
  5. Consider reimaging the system

YARA Rule Hints

rule GuLoader_SHA256 {
    meta:
        description = "GuLoader sample: 5ff84b7c231f6c4c"
        threat_level = "medium"
        first_seen = "2026-02-25"
    condition:
        hash.sha256(0, filesize) == "5ff84b7c231f6c4cb4a2377ae60e07cc6f6062a32c5a7a7c7b0396d599b7e1a7"
}

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 (2 indicators)

IOC — GuLoader
# SHA256 5ff84b7c231f6c4cb4a2377ae60e07cc6f6062a32c5a7a7c7b0396d599b7e1a7 # MD5 e44d835c097c09d0d125717074a57d6f
TypeValueNote
sha256 5ff84b7c231f6c4cb4a2377ae60e07cc6f6062a32c5a7a7c7b0396d599b7e1a7 Sample:GuLoader
md5 e44d835c097c09d0d125717074a57d6f Sample:GuLoader

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
guloaderloadermalwaremediumsha256hash-analizi