GuLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256754016da93b35b51d4abbbcec0bf4ff6e9670109a2b5ecbdbe04f010a7843539
MD5e29e1186f96593a93d0cefc47e93c712
File Typeexe
Size1176.1 KB
First Seen2026-04-15
File NameSecuriteInfo.com.Gen.Variant.Nemesis.47590.23542.31651
Tagsexe, GuLoader

Malware Family: GuLoader

GuLoader, bulut downloader'dır.

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

Threat Indicators (IOC)

  • SHA256: 754016da93b35b51d4abbbcec0bf4ff6e9670109a2b5ecbdbe04f010a7843539
  • MD5: e29e1186f96593a93d0cefc47e93c712

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: 754016da93b35b51"
        threat_level = "medium"
        first_seen = "2026-04-15"
    condition:
        hash.sha256(0, filesize) == "754016da93b35b51d4abbbcec0bf4ff6e9670109a2b5ecbdbe04f010a7843539"
}

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 754016da93b35b51d4abbbcec0bf4ff6e9670109a2b5ecbdbe04f010a7843539 # MD5 e29e1186f96593a93d0cefc47e93c712
TypeValueNote
sha256 754016da93b35b51d4abbbcec0bf4ff6e9670109a2b5ecbdbe04f010a7843539 Sample:GuLoader
md5 e29e1186f96593a93d0cefc47e93c712 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