Analysis

  • max time kernel
    149s
  • 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
    22/08/2026, 09:17

General

  • Target
    881e83327be00889cffdb24696be70d421b2a0b6b29dcb1dbf12cd83fb430149.exe
  • Size 512KB
  • Sample260822-k83dtsshla
  • SHA256 881e83327be00889cffdb24696be70d421b2a0b6b29dcb1dbf12cd83fb430149
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 7.2.6 Pro

Botnet
  • RemoteHost

C2
  • t4cg.buzz:8080

  • web8kbetchinhthuc.com:8080

  • pafkasiino.top:8080

  • fungameplay.co:8080

  • h19fh.com:8080

  • jokerslot.cc:8080

  • ok3qar.buzz:8080

  • liconline.co.in:8080

  • serbajitu.top:8080

  • www23win.com:8080

  • ditscol.co:8080

  • kuwn51.com:8080

  • j8kbet.com:8080

  • 8kbet5.com:8080

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

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc_c2-QVLIT2

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %WinDir%\System32

  • screenshot_time

    5

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Family: Remcos

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

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

    Network activity triggered a Suricata alert

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 6 IoCs
  • Drops file in System32 directory 2 IoCs
  • 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 3 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\881e83327be00889cffdb24696be70d421b2a0b6b29dcb1dbf12cd83fb430149.exe
    "C:\Users\Admin\AppData\Local\Temp\881e83327be00889cffdb24696be70d421b2a0b6b29dcb1dbf12cd83fb430149.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2936
    • 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
      • Drops file in System32 directory
      • 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:2960
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Windows\SysWOW64\svchost.exe"
        3⤵
          PID:5004
    • C:\Users\Admin\AppData\Roaming\service\WinService.exe
      "C:\Users\Admin\AppData\Roaming\service\WinService.exe"
      1⤵
      • Suricata alert: REMCOS RAT Malware Outbound C2 Communication
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:3008
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x00000000000004FC 0x00000000000004F8
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:488

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          logs.dat

          • Path C:\ProgramData\remcos\logs.dat
          • Size 1KB
          • SHA256 eeeef5fe899c3aee4d515c516f93aff167311798aac4c366ce2b857bea80f02e
          • MD5 SHA1 SHA512 TLSH

          WinService.exe

          • Path C:\Users\Admin\AppData\Roaming\service\WinService.exe
          • Size 512KB
          • SHA256 881e83327be00889cffdb24696be70d421b2a0b6b29dcb1dbf12cd83fb430149
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/5004-8-0x0000000000400000-0x000000000048D000-memory.dmp