HijackLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA25666c51b2bda61c2555a6fd18b8999a9ec5520152e850523ed0abe8eff3c5ff124
MD571d7441d6bb1464ed17fbc6fcd8ecf42
File Typeexe
Size8828.4 KB
First Seen2025-12-28
File Namefile
Tagsdropped-by-gcleaner, exe, G, HIjackLoader, US.file

Malware Family: HijackLoader

HijackLoader, loader'dır.

TypeLoader
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTP
PurposeLoader
First Seen Year2023
AliasesIDAT Loader

Threat Indicators (IOC)

  • SHA256: 66c51b2bda61c2555a6fd18b8999a9ec5520152e850523ed0abe8eff3c5ff124
  • MD5: 71d7441d6bb1464ed17fbc6fcd8ecf42

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 HijackLoader_SHA256 {
    meta:
        description = "HijackLoader sample: 66c51b2bda61c255"
        threat_level = "medium"
        first_seen = "2025-12-28"
    condition:
        hash.sha256(0, filesize) == "66c51b2bda61c2555a6fd18b8999a9ec5520152e850523ed0abe8eff3c5ff124"
}

Hijackloader — Malware Profile

HijackLoader IDAT Loader 2023. MSI paket gizleme. NtQueryInformationProcess anti-debug. OLU 1.2.35.3 build.

Malware Type
Loader
Programming Language
C
C2 Protocol
HTTP
Target Systems
Windows
Also Known As (AKA)
IDAT Loader

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 — HijackLoader
# SHA256 66c51b2bda61c2555a6fd18b8999a9ec5520152e850523ed0abe8eff3c5ff124 # MD5 71d7441d6bb1464ed17fbc6fcd8ecf42
TypeValueNote
sha256 66c51b2bda61c2555a6fd18b8999a9ec5520152e850523ed0abe8eff3c5ff124 Sample:HijackLoader
md5 71d7441d6bb1464ed17fbc6fcd8ecf42 Sample:HijackLoader
Tags
hijackloaderloadermalwaremediumsha256hash-analizi