GuLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA25618036ef7ea07672835b6f92dba5e92a833be93cc1fd788e050a64b2a931c97cf
MD54875ae9940b3b14f9c6c9444f20d9dbe
File Typeexe
Size677.6 KB
First Seen2026-05-20
File Namekelivn.exe
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: 18036ef7ea07672835b6f92dba5e92a833be93cc1fd788e050a64b2a931c97cf
  • MD5: 4875ae9940b3b14f9c6c9444f20d9dbe

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: 18036ef7ea076728"
        threat_level = "medium"
        first_seen = "2026-05-20"
    condition:
        hash.sha256(0, filesize) == "18036ef7ea07672835b6f92dba5e92a833be93cc1fd788e050a64b2a931c97cf"
}

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 18036ef7ea07672835b6f92dba5e92a833be93cc1fd788e050a64b2a931c97cf # MD5 4875ae9940b3b14f9c6c9444f20d9dbe
TypeValueNote
sha256 18036ef7ea07672835b6f92dba5e92a833be93cc1fd788e050a64b2a931c97cf Sample:GuLoader
md5 4875ae9940b3b14f9c6c9444f20d9dbe 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