GuLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256c39c110a99a370d96dc726eed2f9a98a3b57c68874f7ed098ca5631b5f9c8a0c
MD59cc1b4d0be8ba6595d067fec212a8d59
File Typeexe
Size747.3 KB
First Seen2026-04-12
File Namescan.exe
Tagsexe, GuLoader, signed

Malware Family: GuLoader

GuLoader, bulut downloader'dır.

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

Threat Indicators (IOC)

  • SHA256: c39c110a99a370d96dc726eed2f9a98a3b57c68874f7ed098ca5631b5f9c8a0c
  • MD5: 9cc1b4d0be8ba6595d067fec212a8d59

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: c39c110a99a370d9"
        threat_level = "medium"
        first_seen = "2026-04-12"
    condition:
        hash.sha256(0, filesize) == "c39c110a99a370d96dc726eed2f9a98a3b57c68874f7ed098ca5631b5f9c8a0c"
}

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 c39c110a99a370d96dc726eed2f9a98a3b57c68874f7ed098ca5631b5f9c8a0c # MD5 9cc1b4d0be8ba6595d067fec212a8d59
TypeValueNote
sha256 c39c110a99a370d96dc726eed2f9a98a3b57c68874f7ed098ca5631b5f9c8a0c Sample:GuLoader
md5 9cc1b4d0be8ba6595d067fec212a8d59 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