HijackLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA25604f8d118b5db015aff6630c334b78ce997fe1b8444a99aa23bfff7c95eb51782
MD5d1b3832dc1e6b9dd5a2920aa22c5a7fb
File Typejar
Size61.5 KB
First Seen2025-11-21
File NameOasisOpticsV1.0.jar
TagsHIjackLoader, jar

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: 04f8d118b5db015aff6630c334b78ce997fe1b8444a99aa23bfff7c95eb51782
  • MD5: d1b3832dc1e6b9dd5a2920aa22c5a7fb

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: 04f8d118b5db015a"
        threat_level = "medium"
        first_seen = "2025-11-21"
    condition:
        hash.sha256(0, filesize) == "04f8d118b5db015aff6630c334b78ce997fe1b8444a99aa23bfff7c95eb51782"
}

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 04f8d118b5db015aff6630c334b78ce997fe1b8444a99aa23bfff7c95eb51782 # MD5 d1b3832dc1e6b9dd5a2920aa22c5a7fb
TypeValueNote
sha256 04f8d118b5db015aff6630c334b78ce997fe1b8444a99aa23bfff7c95eb51782 Sample:HijackLoader
md5 d1b3832dc1e6b9dd5a2920aa22c5a7fb Sample:HijackLoader
Tags
hijackloaderloadermalwaremediumsha256hash-analizi