GuLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA2567ed8320624ad388956a315ab33bac4e4ae90c575430c9bf8118c2687d4723f28
MD5c1b7c700deb1f440c669d7fd14d74ed0
File Typeexe
Size914.9 KB
First Seen2025-09-05
File Name7ed8320624ad388956a315ab33bac4e4ae90c575430c9bf8118c2687d4723f28
Tagsexe, GuLoader, satis-burakkayis-com, 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: 7ed8320624ad388956a315ab33bac4e4ae90c575430c9bf8118c2687d4723f28
  • MD5: c1b7c700deb1f440c669d7fd14d74ed0

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: 7ed8320624ad3889"
        threat_level = "medium"
        first_seen = "2025-09-05"
    condition:
        hash.sha256(0, filesize) == "7ed8320624ad388956a315ab33bac4e4ae90c575430c9bf8118c2687d4723f28"
}

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 7ed8320624ad388956a315ab33bac4e4ae90c575430c9bf8118c2687d4723f28 # MD5 c1b7c700deb1f440c669d7fd14d74ed0
TypeValueNote
sha256 7ed8320624ad388956a315ab33bac4e4ae90c575430c9bf8118c2687d4723f28 Sample:GuLoader
md5 c1b7c700deb1f440c669d7fd14d74ed0 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