HijackLoader | Threat Level: medium | Type: Loader

Cryptographic Identifiers

SHA25676dc779a5b9de7849f1ec7fcab9d1c7c47e493cfeb8ae3ed7acfc17f1ba2df3f
MD5b21c4861b548ed4842527e314c9934e2
File Typedll
Size836.0 KB
First Seen2025-08-19
File NameQt5Network.dll
Tags80-253-251-138, 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: 76dc779a5b9de7849f1ec7fcab9d1c7c47e493cfeb8ae3ed7acfc17f1ba2df3f
  • MD5: b21c4861b548ed4842527e314c9934e2

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: 76dc779a5b9de784"
        threat_level = "medium"
        first_seen = "2025-08-19"
    condition:
        hash.sha256(0, filesize) == "76dc779a5b9de7849f1ec7fcab9d1c7c47e493cfeb8ae3ed7acfc17f1ba2df3f"
}

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 76dc779a5b9de7849f1ec7fcab9d1c7c47e493cfeb8ae3ed7acfc17f1ba2df3f # MD5 b21c4861b548ed4842527e314c9934e2
TypeValueNote
sha256 76dc779a5b9de7849f1ec7fcab9d1c7c47e493cfeb8ae3ed7acfc17f1ba2df3f Sample:HijackLoader
md5 b21c4861b548ed4842527e314c9934e2 Sample:HijackLoader
Tags
hijackloaderloadermalwaremediumsha256hash-analizi