GuLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA25667fcfb7ee0a0c7105f6247a3ebe4d2a929778963fdbcd7ca5835986fd45b4077
MD5d8ca7d0db198432640a660aff5a463ed
File Typeexe
Size1232.4 KB
First Seen2025-10-09
File Name67fcfb7ee0a0c7105f6247a3ebe4d2a929778963fdbcd7ca5835986fd45b4077
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: 67fcfb7ee0a0c7105f6247a3ebe4d2a929778963fdbcd7ca5835986fd45b4077
  • MD5: d8ca7d0db198432640a660aff5a463ed

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: 67fcfb7ee0a0c710"
        threat_level = "medium"
        first_seen = "2025-10-09"
    condition:
        hash.sha256(0, filesize) == "67fcfb7ee0a0c7105f6247a3ebe4d2a929778963fdbcd7ca5835986fd45b4077"
}

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 67fcfb7ee0a0c7105f6247a3ebe4d2a929778963fdbcd7ca5835986fd45b4077 # MD5 d8ca7d0db198432640a660aff5a463ed
TypeValueNote
sha256 67fcfb7ee0a0c7105f6247a3ebe4d2a929778963fdbcd7ca5835986fd45b4077 Sample:GuLoader
md5 d8ca7d0db198432640a660aff5a463ed 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