GuLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA2563ea1f2afdc14f857c7f06942c17da9a92f179ebb1382d8c6e036d635cffe95fb
MD58c397b21600d57a826e5ebded38d784b
File Typerar
Size878.0 KB
First Seen2026-05-20
File NameRPP-PI.rar
TagsGuLoader, rar

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: 3ea1f2afdc14f857c7f06942c17da9a92f179ebb1382d8c6e036d635cffe95fb
  • MD5: 8c397b21600d57a826e5ebded38d784b

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: 3ea1f2afdc14f857"
        threat_level = "medium"
        first_seen = "2026-05-20"
    condition:
        hash.sha256(0, filesize) == "3ea1f2afdc14f857c7f06942c17da9a92f179ebb1382d8c6e036d635cffe95fb"
}

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 3ea1f2afdc14f857c7f06942c17da9a92f179ebb1382d8c6e036d635cffe95fb # MD5 8c397b21600d57a826e5ebded38d784b
TypeValueNote
sha256 3ea1f2afdc14f857c7f06942c17da9a92f179ebb1382d8c6e036d635cffe95fb
md5 8c397b21600d57a826e5ebded38d784b

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