GuLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256b2ab40725615e87cdfd4f28453d647c26d21399aa950b76362db65019cdaba84
MD5d46598b29f6a30d14e0ae8c63ae42a0a
File Typeexe
Size1345.9 KB
First Seen2026-04-12
File Namedoc19541020260402084858[1].exe
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: b2ab40725615e87cdfd4f28453d647c26d21399aa950b76362db65019cdaba84
  • MD5: d46598b29f6a30d14e0ae8c63ae42a0a

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: b2ab40725615e87c"
        threat_level = "medium"
        first_seen = "2026-04-12"
    condition:
        hash.sha256(0, filesize) == "b2ab40725615e87cdfd4f28453d647c26d21399aa950b76362db65019cdaba84"
}

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 b2ab40725615e87cdfd4f28453d647c26d21399aa950b76362db65019cdaba84 # MD5 d46598b29f6a30d14e0ae8c63ae42a0a
TypeValueNote
sha256 b2ab40725615e87cdfd4f28453d647c26d21399aa950b76362db65019cdaba84 Sample:GuLoader
md5 d46598b29f6a30d14e0ae8c63ae42a0a 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