Overview

overview

10

Static

static

10

[email protected]

windows10-ltsc_2021-x64

10

[email protected]

windows10-2004-x64

10

[email protected]

windows11-21h2-x64

10

[email protected]

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260911-en
  • resource tags

    arch:x64arch:x86image:win11-20260911-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    04/11/2026, 04:30

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General

  • Target
    [email protected]
  • Size 645KB
  • Sample261104-e4z51shx4j
  • SHA256 affc0248bcb7c06aa0e4c10dd0de268bebb393dd6ba1a061c61b23dee38996fe
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remotehostdiscoveryremcospersistenceratsuricata

Malware Config

Extracted

Family

  • remcos

Version

  • 7.3.1 Pro

Botnet

  • RemoteHost

C2

  • e390a.com:443

  • gaylife.gr.com:443

  • 1au88.bar:443

  • au88vn.me:443

  • 8kbet.toys:443

  • 68gb52seo.shop:443

  • kent-casino-ury.buzz:443

  • au881.com:443

  • au88.hot:443

  • 68gb.com.co:443

  • 68gbdoithuong.vip:443

  • 68gbdoithuong.vip:80

  • 68gb.com.co:80

  • au88vn.me:80

  • au88.hot:80

  • au881.com:80

  • kent-casino-ury.buzz:80

  • 68gb52seo.shop:80

  • 8kbet.toys:80

  • 1au88.bar:80

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    WinService.exe

  • copy_folder

    Update

  • 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-YH88VE

  • 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

Signatures

  • Family: Remcos

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

    ratremcos
  • Suricata alert: REMCOS RAT Malware Outbound C2 Communication 64 IoCs

    Network activity triggered a Suricata alert

    suricataremcos
  • Adds policy Run key to start application 2 TTPs 4 IoCs
    persistence
  • Executes dropped EXE 1 IoCs
  • 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 WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\[email protected]
    "C:\Users\Admin\AppData\Local\Temp\[email protected]"
    1⤵
    • Adds policy Run key to start application
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:5172
    • C:\ProgramData\Update\WinService.exe
      "C:\ProgramData\Update\WinService.exe"
      2⤵
      • Suricata alert: REMCOS RAT Malware Outbound C2 Communication
      • 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
      PID:3388
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x00000000000004D0 0x00000000000004D8
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:780

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        WinService.exe
        • Path C:\ProgramData\Update\WinService.exe
        • Size 645KB
        • SHA256 affc0248bcb7c06aa0e4c10dd0de268bebb393dd6ba1a061c61b23dee38996fe
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download