Overview

overview

10

Static

static

10

921618ac44...ed.exe

windows10-2004-x64

10

921618ac44...ed.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/09/2026, 17:16

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    921618ac44ebffb61816e161821b88e657b5ace14e9898a1386a0b8c0a21bded.exe
  • Size 525KB
  • Sample260905-vtk64swthx
  • SHA256 921618ac44ebffb61816e161821b88e657b5ace14e9898a1386a0b8c0a21bded
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remotehostdiscoveryremcospersistencerat

Malware Config

Extracted

Family

  • remcos

Version

  • 7.3.1 Pro

Botnet

  • RemoteHost

C2

  • qh88eu.com:443

  • go8.company:443

  • webyss.in:443

  • trungnguyen.co.za:443

  • qh88.es:443

  • news24-news.sa.com:443

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    WinService.exe

  • copy_folder

    service

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc_c2-OR2U87

  • screenshot_crypt

    true

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

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
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\921618ac44ebffb61816e161821b88e657b5ace14e9898a1386a0b8c0a21bded.exe
    "C:\Users\Admin\AppData\Local\Temp\921618ac44ebffb61816e161821b88e657b5ace14e9898a1386a0b8c0a21bded.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3460
    • C:\Users\Admin\AppData\Roaming\service\WinService.exe
      "C:\Users\Admin\AppData\Roaming\service\WinService.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5512
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Windows\SysWOW64\svchost.exe"
        3⤵
          PID:248
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x00000000000004E0 0x00000000000004F0
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:300

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          logs.dat
          • Path C:\ProgramData\remcos\logs.dat
          • Size 260B
          • SHA256 53bd7fb00a019e2154d94e9bbbd5adf95538b548508e3ce3334fb9f1cb5ac465
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          WinService.exe
          • Path C:\Users\Admin\AppData\Roaming\service\WinService.exe
          • Size 525KB
          • SHA256 921618ac44ebffb61816e161821b88e657b5ace14e9898a1386a0b8c0a21bded
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/248-4-0x0000000000400000-0x0000000000490000-memory.dmp
          Download