Overview

overview

10

Static

static

10

2026-10-30...ar.exe

windows10-2004-x64

10

2026-10-30...ar.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-10-30_147360023435ab80603344a38ee99afd_cobalt-strike_coinminer_icedid_njrat_remcos_vidar
  • Size 645KB
  • Sample261101-gpbvzsav6j
  • SHA256 b8ca7d95cb7f79aa149fa8aef9ffd410b4c3d80ab3901c2087a6ceba814c4abd
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remcosqh88 backdoordiscoverypersistenceratsuricata

Malware Config

Extracted

Family

  • remcos

Version

  • 7.3.1 Pro

Botnet

  • QH88 Backdoor

C2

  • qh88si.com:8080

  • backdoor.qh88si.com:8080

  • qh88eu.com:8080

  • backdoor.qh88eu.com:8080

  • qh88.casino:8080

  • backdoor.qh88.casino:8080

  • qh88.gs:8080

  • backdoor.qh88.gs:8080

  • qh888b3.com:8080

  • backdoor.qh888b3.com:8080

  • backdoor.qh88b3.com:8080

  • qh88.pub:8080

  • backdoor.qh88.pub:8080

  • qq88.studio:8080

  • backdoor.qq88.studio:8080

  • qq88.fan:8080

  • backdoor.qq88.fan:8080

  • qh88jqk.de:8080

  • backdoor.qh88jqk.de:8080

  • adongjsc.vn:8080

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    QH App.exe

  • copy_folder

    qh88

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-Z0T9ND

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    true

  • take_screenshot_time

    5

  • take_screenshot_title

    facebook;discord;telegram

Targets

    • Target
      2026-10-30_147360023435ab80603344a38ee99afd_cobalt-strike_coinminer_icedid_njrat_remcos_vidar
    • Size 645KB
    • SHA256 b8ca7d95cb7f79aa149fa8aef9ffd410b4c3d80ab3901c2087a6ceba814c4abd
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    qh88 backdoordiscoveryremcospersistenceratsuricata

    • Family: Remcos

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

      ratremcos

    • Suricata alert: REMCOS RAT Malware Outbound C2 Communication

      Network activity triggered a Suricata alert

      suricataremcos
    • Custom signature

      Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

    • Custom signature

      Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers

    • Adds policy Run key to start application

      persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks