HijackLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256a8a4d5359e832c8d0c8068f84e94d373ada45e8f3590ba02931000bcf37d3b11
MD5a6eb4cb025391918f5ace6a886b783da
File Typemsi
Size2712.0 KB
First Seen2025-10-26
File NameSecuriteInfo.com.Trojan.Siggen32.1057.23380.7751
TagsHIjackLoader, msi

Malware Family: HijackLoader

HijackLoader, AV atlatma için bellek enjeksiyonu kullanır.

TypeLoader
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTP
PurposeBellek enjeksiyon loader
First Seen Year2023
AliasesIDAT Loader

Threat Indicators (IOC)

  • SHA256: a8a4d5359e832c8d0c8068f84e94d373ada45e8f3590ba02931000bcf37d3b11
  • MD5: a6eb4cb025391918f5ace6a886b783da

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: a8a4d5359e832c8d"
        threat_level = "medium"
        first_seen = "2025-10-26"
    condition:
        hash.sha256(0, filesize) == "a8a4d5359e832c8d0c8068f84e94d373ada45e8f3590ba02931000bcf37d3b11"
}

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 a8a4d5359e832c8d0c8068f84e94d373ada45e8f3590ba02931000bcf37d3b11 # MD5 a6eb4cb025391918f5ace6a886b783da
TypeValueNote
sha256 a8a4d5359e832c8d0c8068f84e94d373ada45e8f3590ba02931000bcf37d3b11 Sample:HijackLoader
md5 a6eb4cb025391918f5ace6a886b783da Sample:HijackLoader
Tags
hijackloaderloadermalwaremediumsha256hash-analizi