GuLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA2566c9d552d1045f7a18903f571524328af4f7d8f297ce9e9b1e43b2fba8bbf8977
MD5e284ccddd64249cfb245162695ce745e
File Typeexe
Size923.4 KB
First Seen2026-05-20
File NameСделка_33958__EXW_(_Guangzhou_-_ALA)_1_case465KGS.32CBM.exe
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: 6c9d552d1045f7a18903f571524328af4f7d8f297ce9e9b1e43b2fba8bbf8977
  • MD5: e284ccddd64249cfb245162695ce745e

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: 6c9d552d1045f7a1"
        threat_level = "medium"
        first_seen = "2026-05-20"
    condition:
        hash.sha256(0, filesize) == "6c9d552d1045f7a18903f571524328af4f7d8f297ce9e9b1e43b2fba8bbf8977"
}

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 6c9d552d1045f7a18903f571524328af4f7d8f297ce9e9b1e43b2fba8bbf8977 # MD5 e284ccddd64249cfb245162695ce745e
TypeValueNote
sha256 6c9d552d1045f7a18903f571524328af4f7d8f297ce9e9b1e43b2fba8bbf8977 Sample:GuLoader
md5 e284ccddd64249cfb245162695ce745e 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