HijackLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256a973579254181257abde474cb3cd1e7ff7ccd117a50dc6d8ea4b379c888a2a26
MD573f42e1b9d3ffe629056e9836adffd3e
File Typedll
Size5006.9 KB
First Seen2025-09-02
File Namemfc140u.dll
Tags45-159-248-167, ACRStealer, dll, HIjackLoader, IDATLoader

Malware Family: HijackLoader

HijackLoader, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: a973579254181257abde474cb3cd1e7ff7ccd117a50dc6d8ea4b379c888a2a26
  • MD5: 73f42e1b9d3ffe629056e9836adffd3e

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: a973579254181257"
        threat_level = "medium"
        first_seen = "2025-09-02"
    condition:
        hash.sha256(0, filesize) == "a973579254181257abde474cb3cd1e7ff7ccd117a50dc6d8ea4b379c888a2a26"
}

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 a973579254181257abde474cb3cd1e7ff7ccd117a50dc6d8ea4b379c888a2a26 # MD5 73f42e1b9d3ffe629056e9836adffd3e
TypeValueNote
sha256 a973579254181257abde474cb3cd1e7ff7ccd117a50dc6d8ea4b379c888a2a26 Sample:HijackLoader
md5 73f42e1b9d3ffe629056e9836adffd3e Sample:HijackLoader
Tags
hijackloaderloadermalwaremediumsha256hash-analizi