GuLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256092b7de8fe08fbf5aad89b80f5b19e1469e1c66986fae44ca36c9fda366857a0
MD537bda1fc6b5d7299f70e6ff85fa68b13
File Typeexe
Size884.6 KB
First Seen2026-05-20
File Namecartas_email_CA_006833865_090001_95000_2250.exe
Tagsexe, GuLoader

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: 092b7de8fe08fbf5aad89b80f5b19e1469e1c66986fae44ca36c9fda366857a0
  • MD5: 37bda1fc6b5d7299f70e6ff85fa68b13

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: 092b7de8fe08fbf5"
        threat_level = "medium"
        first_seen = "2026-05-20"
    condition:
        hash.sha256(0, filesize) == "092b7de8fe08fbf5aad89b80f5b19e1469e1c66986fae44ca36c9fda366857a0"
}

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 092b7de8fe08fbf5aad89b80f5b19e1469e1c66986fae44ca36c9fda366857a0 # MD5 37bda1fc6b5d7299f70e6ff85fa68b13
TypeValueNote
sha256 092b7de8fe08fbf5aad89b80f5b19e1469e1c66986fae44ca36c9fda366857a0 Sample:GuLoader
md5 37bda1fc6b5d7299f70e6ff85fa68b13 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