GuLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA2561c395394ea2fc88e6b56592dc89cebd53888991c96ae6b5cbe68677d282b30ce
MD5ced1e63fdd771f219bd7058927a6b820
File Typecmd
Size6.0 KB
First Seen2026-05-20
File NameVerzoek_om_het_indienen_van_een_spoedofferte.cmd
Tagscmd, GuLoader

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: 1c395394ea2fc88e6b56592dc89cebd53888991c96ae6b5cbe68677d282b30ce
  • MD5: ced1e63fdd771f219bd7058927a6b820

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: 1c395394ea2fc88e"
        threat_level = "medium"
        first_seen = "2026-05-20"
    condition:
        hash.sha256(0, filesize) == "1c395394ea2fc88e6b56592dc89cebd53888991c96ae6b5cbe68677d282b30ce"
}

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 1c395394ea2fc88e6b56592dc89cebd53888991c96ae6b5cbe68677d282b30ce # MD5 ced1e63fdd771f219bd7058927a6b820
TypeValueNote
sha256 1c395394ea2fc88e6b56592dc89cebd53888991c96ae6b5cbe68677d282b30ce Sample:GuLoader
md5 ced1e63fdd771f219bd7058927a6b820 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