GuLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA2561d7d127d7b1ed83d2d74fe9d07e29745cf372317127cd6232fd8b164b06d15f9
MD52e23e44847f75c160a37ca46c6141804
File Typexz
Size1.9 KB
First Seen2026-02-10
File NamenRequest_for_Best_Offer-_HS_CODE_REF_102195_ET_115959_pdf.xz
TagsGuLoader, xz

Malware Family: GuLoader

GuLoader, bulut downloader'dır.

TypeLoader
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTPS
PurposePayload indirme
First Seen Year2019
AliasesCloudEyE

Threat Indicators (IOC)

  • SHA256: 1d7d127d7b1ed83d2d74fe9d07e29745cf372317127cd6232fd8b164b06d15f9
  • MD5: 2e23e44847f75c160a37ca46c6141804

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: 1d7d127d7b1ed83d"
        threat_level = "medium"
        first_seen = "2026-02-10"
    condition:
        hash.sha256(0, filesize) == "1d7d127d7b1ed83d2d74fe9d07e29745cf372317127cd6232fd8b164b06d15f9"
}

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 1d7d127d7b1ed83d2d74fe9d07e29745cf372317127cd6232fd8b164b06d15f9 # MD5 2e23e44847f75c160a37ca46c6141804
TypeValueNote
sha256 1d7d127d7b1ed83d2d74fe9d07e29745cf372317127cd6232fd8b164b06d15f9 Sample:GuLoader
md5 2e23e44847f75c160a37ca46c6141804 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