GuLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA25636d199c07c28e17ca5d84460f754c7c49f005c2184f09c75c31a9994f961ac73
MD5092eedb26341735ef005f1b8a9490926
File Typetar
Size883.8 KB
First Seen2026-05-20
File NameFACTURAX21586778404.tar
TagsGuLoader, tar

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: 36d199c07c28e17ca5d84460f754c7c49f005c2184f09c75c31a9994f961ac73
  • MD5: 092eedb26341735ef005f1b8a9490926

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: 36d199c07c28e17c"
        threat_level = "medium"
        first_seen = "2026-05-20"
    condition:
        hash.sha256(0, filesize) == "36d199c07c28e17ca5d84460f754c7c49f005c2184f09c75c31a9994f961ac73"
}

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 (6 indicators)

IOC — GuLoader
# SHA256 36d199c07c28e17ca5d84460f754c7c49f005c2184f09c75c31a9994f961ac73 # MD5 092eedb26341735ef005f1b8a9490926 # IP 45.155.37.29 # IP 185.250.151.13 # EMAIL guloader_dropper@yandex.ru # URL https://onedrive.live.com/download?cid=GULOADERCONFIG
TypeValueNote
sha256 36d199c07c28e17ca5d84460f754c7c49f005c2184f09c75c31a9994f961ac73
md5 092eedb26341735ef005f1b8a9490926
ip 45.155.37.29 C2:443
ip 185.250.151.13 C2:443
email guloader_dropper@yandex.ru GuLoader dropper Yandex email
url https://onedrive.live.com/download?cid=GULOADERCONFIG GuLoader OneDrive payload abuse

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
guloaderloadermalwaremediumsha256analizzenginleştirilmiş