GuLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA2566e75030c0166aac5d9b66e92d603721dc0bf38e5a1a2aaee31f589ab3e9edc72
MD5cbb37204f99e4b34dd1f06e1e9ef6c22
File Typeexe
Size356.5 KB
First Seen2026-03-06
File Name6e75030c0166aac5d9b66e92d603721dc0bf38e5a1a2aaee31f589ab3e9edc72
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: 6e75030c0166aac5d9b66e92d603721dc0bf38e5a1a2aaee31f589ab3e9edc72
  • MD5: cbb37204f99e4b34dd1f06e1e9ef6c22

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: 6e75030c0166aac5"
        threat_level = "medium"
        first_seen = "2026-03-06"
    condition:
        hash.sha256(0, filesize) == "6e75030c0166aac5d9b66e92d603721dc0bf38e5a1a2aaee31f589ab3e9edc72"
}

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 6e75030c0166aac5d9b66e92d603721dc0bf38e5a1a2aaee31f589ab3e9edc72 # MD5 cbb37204f99e4b34dd1f06e1e9ef6c22
TypeValueNote
sha256 6e75030c0166aac5d9b66e92d603721dc0bf38e5a1a2aaee31f589ab3e9edc72 Sample:GuLoader
md5 cbb37204f99e4b34dd1f06e1e9ef6c22 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