GuLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256415b8d60abff32d672f54987b15bffcf38cb08e0cfa9e218dfff3569e0cbd30d
MD514e08d4e2cdde4ac201a13042fde0dc6
File Typetar
Size153.1 KB
First Seen2026-06-01
File NameIMG - stampa il campione di pagamento di 2 pagine in 1 A4(1).tar
Tags192-227-135-225, GuLoader, Spam-ITA, tar

Malware Family: GuLoader

GuLoader, bulut downloader'dır.

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

Threat Indicators (IOC)

  • SHA256: 415b8d60abff32d672f54987b15bffcf38cb08e0cfa9e218dfff3569e0cbd30d
  • MD5: 14e08d4e2cdde4ac201a13042fde0dc6

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: 415b8d60abff32d6"
        threat_level = "medium"
        first_seen = "2026-06-01"
    condition:
        hash.sha256(0, filesize) == "415b8d60abff32d672f54987b15bffcf38cb08e0cfa9e218dfff3569e0cbd30d"
}

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 415b8d60abff32d672f54987b15bffcf38cb08e0cfa9e218dfff3569e0cbd30d # MD5 14e08d4e2cdde4ac201a13042fde0dc6
TypeValueNote
sha256 415b8d60abff32d672f54987b15bffcf38cb08e0cfa9e218dfff3569e0cbd30d Sample:GuLoader
md5 14e08d4e2cdde4ac201a13042fde0dc6 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