Overview

overview

10

Static

static

10

XLCO.exe

windows10-2004-x64

10

XLCO.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/09/2026, 10:17

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General

  • Target
    XLCO.exe
  • Size 646KB
  • Sample260924-mbemlsbb56
  • SHA256 203a577f671c1bd5d498654615beeb58733676446c5322056081815d21d5dc39
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
cobaltstrikeremcospersistencerat

Malware Config

Extracted

Family

  • remcos

Version

  • 7.3.1 Pro

Botnet

  • CobaltStrike

C2

  • s666hn.com:8080

  • xoso6684.com:8080

  • toe.in.net:8080

  • compute.in.net:8080

  • amazinge.io:8080

  • khuyenmaiqh88.com:8080

  • qh88.solar:8080

  • healixai.tech:8080

  • upakari.in:8080

  • kuwing.org:8080

  • edulytic.in:8080

  • sportius.com.co:8080

  • kianteb.co:8080

  • cnbbs8.net:8080

  • s8.works:8080

  • hotgirls8.com:8080

  • mytraffic.com.co:8080

  • bronkjeans.co:8080

  • www.toe.in.net:8080

  • www.xoso6684.com:8080

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %WinDir%\System32

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    415.exe

  • copy_folder

    fsociety

  • 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

    CobaltStrike

  • mouse_option

    false

  • mutex

    fsociety-OJ183Z

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %SystemDrive%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    true

  • take_screenshot_time

    65

  • 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
  • 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).

  • 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\XLCO.exe
    "C:\Users\Admin\AppData\Local\Temp\XLCO.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1136
    • C:\ProgramData\fsociety\415.exe
      "C:\ProgramData\fsociety\415.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2436
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x00000000000004FC 0x00000000000004F0
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3128

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        415.exe
        • Path C:\ProgramData\fsociety\415.exe
        • Size 646KB
        • SHA256 203a577f671c1bd5d498654615beeb58733676446c5322056081815d21d5dc39
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download