GuLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256cc0a2f02c79accbf94b0f979b33104192d0a7d42d9d18a73b19f0b29ddb03dfd
MD577af3c2364ec32c62336b18983696823
File Typezip
Size4.0 KB
First Seen2026-05-20
File NameSKCMLT17622520986618485758458589457.xlx.z.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: cc0a2f02c79accbf94b0f979b33104192d0a7d42d9d18a73b19f0b29ddb03dfd
  • MD5: 77af3c2364ec32c62336b18983696823

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: cc0a2f02c79accbf"
        threat_level = "medium"
        first_seen = "2026-05-20"
    condition:
        hash.sha256(0, filesize) == "cc0a2f02c79accbf94b0f979b33104192d0a7d42d9d18a73b19f0b29ddb03dfd"
}

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 cc0a2f02c79accbf94b0f979b33104192d0a7d42d9d18a73b19f0b29ddb03dfd # MD5 77af3c2364ec32c62336b18983696823
TypeValueNote
sha256 cc0a2f02c79accbf94b0f979b33104192d0a7d42d9d18a73b19f0b29ddb03dfd Sample:GuLoader
md5 77af3c2364ec32c62336b18983696823 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