Overview

overview

10

Static

static

10

2026-09-30...ar.exe

windows10-2004-x64

10

2026-09-30...ar.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    01/10/2026, 13:17

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General

  • Target
    2026-09-30_632782f9d6995d5453befefdfd1895b5_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
  • Size 646KB
  • Sample261001-qjdl3acd52
  • SHA256 4c486be36a1d519925347c129f0073af6c8852b32dcc94eff342aae865a786ee
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remotehostdiscoveryremcospersistenceratspywarestealer

Malware Config

Extracted

Family

  • remcos

Version

  • 7.3.1 Pro

Botnet

  • RemoteHost

C2

  • 123but.com:443

  • ae888hr.vip:443

  • uu88.cat:443

  • uu88.ong:443

  • photo-chronicles.com:443

  • xoso66vv.com:443

  • yes-original.co:443

  • xoso66a.blue:443

  • mb66u.cfd:443

  • 789win11.org:443

  • go8go.net:443

  • hi88.chat:443

  • casino-igrice.me:443

  • hi88com.biz:443

  • chengzhi888.co:443

  • backdoor.123but.com:443

  • backdoor.ae888hr.vip:443

  • backdoor.uu88.cat:443

  • backdoor.uu88.ong:443

  • backdoor.photo-chronicles.com:443

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %Temp%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    s8.exe

  • copy_folder

    s8

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    s8

  • mouse_option

    false

  • mutex

    s8-JQD1HZ

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %SystemDrive%

  • screenshot_time

    5

  • startup_value

    

  • take_screenshot_option

    true

  • take_screenshot_time

    5

  • take_screenshot_title

    chrome;discord;facebook;telegram;whatsapp;youtube;instagram;tiktok;spotify;netflix;zoom;teams;slack;steam;vlc;coccoc

Signatures

  • Family: Remcos

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

    ratremcos
  • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers 1 IoCs
  • Adds policy Run key to start application 2 TTPs 4 IoCs
    persistence
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-30_632782f9d6995d5453befefdfd1895b5_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-30_632782f9d6995d5453befefdfd1895b5_cobalt-strike_coinminer_icedid_njrat_remcos_vidar.exe"
    1⤵
    • Adds policy Run key to start application
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4568
    • C:\ProgramData\s8\s8.exe
      "C:\ProgramData\s8\s8.exe"
      2⤵
      • Adds policy Run key to start application
      • Executes dropped EXE
      • Adds Run key to start application
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:5112
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x420 0x498
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4360

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        logs.dat
        • Path C:\ProgramData\s8\logs.dat
        • Size 1KB
        • SHA256 1a6a205859d89e956d5b34273b91f05d2ca0174476b9b932e691c05456d41165
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        s8.exe
        • Path C:\ProgramData\s8\s8.exe
        • Size 646KB
        • SHA256 4c486be36a1d519925347c129f0073af6c8852b32dcc94eff342aae865a786ee
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download