Overview

overview

10

Static

static

3

a5173ae661...b9.msi

windows10-2004-x64

10

a5173ae661...b9.msi

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    a5173ae661db52a3808e43126e5dfa58c3248d0310750e23d3c905091365f2b9.msi
  • Size 5.2MB
  • Sample260806-q94aeaxtf1
  • SHA256 a5173ae661db52a3808e43126e5dfa58c3248d0310750e23d3c905091365f2b9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
hijackloaderremcosjulio 29 muchacha 2026discoveryloaderpersistenceprivilege_escalationransomwarerat

Malware Config

Extracted

Family

  • hijackloader

Attributes
  • directory

    %APPDATA%\com_core_observer_net48_

  • inject_dll

    %windir%\SysWOW64\input.dll

xor.hex

Extracted

Family

  • remcos

Version

  • 7.2.6 Pro

Botnet

  • JULIO 29 MUCHACHA 2026

C2

  • servicios.piizaparquinq.info:5510

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    niuytnsda

  • mouse_option

    false

  • mutex

    Rmc-19W1ZH

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target
      a5173ae661db52a3808e43126e5dfa58c3248d0310750e23d3c905091365f2b9.msi
    • Size 5.2MB
    • SHA256 a5173ae661db52a3808e43126e5dfa58c3248d0310750e23d3c905091365f2b9
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    julio 29 muchacha 2026discoveryhijackloaderremcosloaderpersistenceprivilege_escalationransomwarerat

    • Detects HijackLoader (aka IDAT Loader)

    • Family: HijackLoader, IDAT loader, Ghostulse,

      HijackLoader is a multi-stage loader, first seen in 2023.

      loaderhijackloader

    • Family: Remcos

      Remcos is a closed-source remote control and surveillance software.

      ratremcos

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks