GuLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA25646efe20378093c5a236eeec1d71b3548ef2af62392f9854a9309194329d67cc4
MD57eab6fc78639f6d16bfb94607e002b17
File Typevbe
Size40.8 KB
First Seen2026-01-16
File NameITFC_2026_Contract_agreement_009394_pdf.vbe
TagsGuLoader, vbe

Malware Family: GuLoader

GuLoader, bulut downloader'dır.

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

Threat Indicators (IOC)

  • SHA256: 46efe20378093c5a236eeec1d71b3548ef2af62392f9854a9309194329d67cc4
  • MD5: 7eab6fc78639f6d16bfb94607e002b17

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: 46efe20378093c5a"
        threat_level = "medium"
        first_seen = "2026-01-16"
    condition:
        hash.sha256(0, filesize) == "46efe20378093c5a236eeec1d71b3548ef2af62392f9854a9309194329d67cc4"
}

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 46efe20378093c5a236eeec1d71b3548ef2af62392f9854a9309194329d67cc4 # MD5 7eab6fc78639f6d16bfb94607e002b17
TypeValueNote
sha256 46efe20378093c5a236eeec1d71b3548ef2af62392f9854a9309194329d67cc4 Sample:GuLoader
md5 7eab6fc78639f6d16bfb94607e002b17 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