HijackLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA256a35d248bd22a8a2a89ade162fbf6aff96ccee178eb0e6c523ef23e108db505e8
MD5fb509d46c67d071f9b254245dd9c9da5
File Typedll
Size5006.9 KB
First Seen2025-08-19
File Namemfc140u.dll
Tags185-76-243-5, 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: a35d248bd22a8a2a89ade162fbf6aff96ccee178eb0e6c523ef23e108db505e8
  • MD5: fb509d46c67d071f9b254245dd9c9da5

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: a35d248bd22a8a2a"
        threat_level = "medium"
        first_seen = "2025-08-19"
    condition:
        hash.sha256(0, filesize) == "a35d248bd22a8a2a89ade162fbf6aff96ccee178eb0e6c523ef23e108db505e8"
}

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 a35d248bd22a8a2a89ade162fbf6aff96ccee178eb0e6c523ef23e108db505e8 # MD5 fb509d46c67d071f9b254245dd9c9da5
TypeValueNote
sha256 a35d248bd22a8a2a89ade162fbf6aff96ccee178eb0e6c523ef23e108db505e8 Sample:HijackLoader
md5 fb509d46c67d071f9b254245dd9c9da5 Sample:HijackLoader
Tags
hijackloaderloadermalwaremediumsha256hash-analizi