GuLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256d9ba9a0452ea85a31cde3acaf5ef3b60cd27e355c2e5e52d00ef1ece26e0c162
MD5713f21ee6252e0f3cdeb6808f212d073
File Typeexe
Size1873.6 KB
First Seen2025-09-05
File Named9ba9a0452ea85a31cde3acaf5ef3b60cd27e355c2e5e52d00ef1ece26e0c162
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: d9ba9a0452ea85a31cde3acaf5ef3b60cd27e355c2e5e52d00ef1ece26e0c162
  • MD5: 713f21ee6252e0f3cdeb6808f212d073

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: d9ba9a0452ea85a3"
        threat_level = "medium"
        first_seen = "2025-09-05"
    condition:
        hash.sha256(0, filesize) == "d9ba9a0452ea85a31cde3acaf5ef3b60cd27e355c2e5e52d00ef1ece26e0c162"
}

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 d9ba9a0452ea85a31cde3acaf5ef3b60cd27e355c2e5e52d00ef1ece26e0c162 # MD5 713f21ee6252e0f3cdeb6808f212d073
TypeValueNote
sha256 d9ba9a0452ea85a31cde3acaf5ef3b60cd27e355c2e5e52d00ef1ece26e0c162 Sample:GuLoader
md5 713f21ee6252e0f3cdeb6808f212d073 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