GuLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA2565c92f4a705d6be5dde09653d5402366ab69f4bd4a11435a1a8a65191e0a1ac96
MD5530fa7cf76659139fd50a9dfe19a88b2
File Typeexe
Size332.4 KB
First Seen2026-05-08
File Name5c92f4a705d6be5dde09653d5402366ab69f4bd4a11435a1a8a65191e0a1ac96
Tagsexe, GuLoader, signed

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: 5c92f4a705d6be5dde09653d5402366ab69f4bd4a11435a1a8a65191e0a1ac96
  • MD5: 530fa7cf76659139fd50a9dfe19a88b2

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: 5c92f4a705d6be5d"
        threat_level = "medium"
        first_seen = "2026-05-08"
    condition:
        hash.sha256(0, filesize) == "5c92f4a705d6be5dde09653d5402366ab69f4bd4a11435a1a8a65191e0a1ac96"
}

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 5c92f4a705d6be5dde09653d5402366ab69f4bd4a11435a1a8a65191e0a1ac96 # MD5 530fa7cf76659139fd50a9dfe19a88b2
TypeValueNote
sha256 5c92f4a705d6be5dde09653d5402366ab69f4bd4a11435a1a8a65191e0a1ac96 Sample:GuLoader
md5 530fa7cf76659139fd50a9dfe19a88b2 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