Overview

overview

10

Static

static

10

49a2658d9c...5c.exe

windows10-2004-x64

10

49a2658d9c...5c.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • 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, 11:16

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General

  • Target
    49a2658d9cee833a37d112f5d70270801668a88cdf1bc9d07d3ed2c30783875c.exe
  • Size 524KB
  • Sample260905-ndh89abl2s
  • SHA256 49a2658d9cee833a37d112f5d70270801668a88cdf1bc9d07d3ed2c30783875c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
remotehostdiscoveryremcospersistenceratsuricata

Malware Config

Extracted

Family

  • remcos

Version

  • 7.3.1 Pro

Botnet

  • RemoteHost

C2

  • kuncislothoki.co:8080

  • webyss.in:8080

  • spsexports.in:8080

  • kuwin.wang:8080

  • kuwin21.click:8080

  • trungnguyen.co.za:8080

  • news24-news.sa.com:8080

  • qh88.es:8080

  • superslot55.co:8080

  • qh88eu.com:8080

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • 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-QW1BZE

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

    Network activity triggered a Suricata alert

    suricataremcos
  • 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 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\49a2658d9cee833a37d112f5d70270801668a88cdf1bc9d07d3ed2c30783875c.exe
    "C:\Users\Admin\AppData\Local\Temp\49a2658d9cee833a37d112f5d70270801668a88cdf1bc9d07d3ed2c30783875c.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1804
    • C:\Users\Admin\AppData\Roaming\service\WinService.exe
      "C:\Users\Admin\AppData\Roaming\service\WinService.exe"
      2⤵
      • Suricata alert: REMCOS RAT Malware Outbound C2 Communication
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:6076
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Windows\SysWOW64\svchost.exe"
        3⤵
          PID:5772
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x00000000000004C8 0x00000000000004D0
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3564

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          logs.dat
          • Path C:\ProgramData\remcos\logs.dat
          • Size 260B
          • SHA256 2acb9299ecf4e38d2bcdd1e89b25068c6a37c644caffba12e7037698b1988efc
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          WinService.exe
          • Path C:\Users\Admin\AppData\Roaming\service\WinService.exe
          • Size 524KB
          • SHA256 49a2658d9cee833a37d112f5d70270801668a88cdf1bc9d07d3ed2c30783875c
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/5772-4-0x0000000000400000-0x0000000000490000-memory.dmp
          Download