GuLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256baa1edaab5acf70159dc7296f5b3330be0c343e6f86db43be06bebcd4452c532
MD58a3f1214f9a3cdad4a017f13b4c7c462
File Typezip
Size392.7 KB
First Seen2026-05-20
File NamePMTC392K.zip
TagsGuLoader, zip

Malware Family: GuLoader

GuLoader, bulut üzerinden yük indirir.

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

Threat Indicators (IOC)

  • SHA256: baa1edaab5acf70159dc7296f5b3330be0c343e6f86db43be06bebcd4452c532
  • MD5: 8a3f1214f9a3cdad4a017f13b4c7c462

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: baa1edaab5acf701"
        threat_level = "medium"
        first_seen = "2026-05-20"
    condition:
        hash.sha256(0, filesize) == "baa1edaab5acf70159dc7296f5b3330be0c343e6f86db43be06bebcd4452c532"
}

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 baa1edaab5acf70159dc7296f5b3330be0c343e6f86db43be06bebcd4452c532 # MD5 8a3f1214f9a3cdad4a017f13b4c7c462
TypeValueNote
sha256 baa1edaab5acf70159dc7296f5b3330be0c343e6f86db43be06bebcd4452c532 Sample:GuLoader
md5 8a3f1214f9a3cdad4a017f13b4c7c462 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