Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-01-2025 15:07

General

  • Target

    931e3628826b5becb12781a8d1734715512b282ea3d33978c28db1676cbac726.exe

  • Size

    1.2MB

  • MD5

    96d2106a3a6f64335ef5777aad854e50

  • SHA1

    589ed8bfb973cd55162d021923ac35d2a0013758

  • SHA256

    931e3628826b5becb12781a8d1734715512b282ea3d33978c28db1676cbac726

  • SHA512

    3cd9920e070a2414ef25cbab7d00a3f3243d9f2a9504c59d140da4ca10e35f283276013c12ef75900152739ff52237b6881e6d81e07685e0a1ca8d3dc397387c

  • SSDEEP

    12288:jtkSYXY7QFVwd6e7MBiJvISMwFiHsJ0fofBz7J5BP/+POgWldmjDjTrTv3iTG7QJ:h2dkwBjShyfE75BP/+mgWdm/bTAXLKx

Malware Config

Extracted

Family

remcos

Botnet

WORK

C2

netflixyoutubebrowser.duckdns.org:34043

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-CDDRK8

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Remcos family
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 5 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\931e3628826b5becb12781a8d1734715512b282ea3d33978c28db1676cbac726.exe
    "C:\Users\Admin\AppData\Local\Temp\931e3628826b5becb12781a8d1734715512b282ea3d33978c28db1676cbac726.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4792
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ping 127.0.0.1 -n 15 > nul && REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "windowss" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\windowss.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:1424
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 15
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2352
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "windowss" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\windowss.exe"
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:3040
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ping 127.0.0.1 -n 18 > nul && copy "C:\Users\Admin\AppData\Local\Temp\931e3628826b5becb12781a8d1734715512b282ea3d33978c28db1676cbac726.exe" "C:\Users\Admin\AppData\Roaming\windowss.exe" && ping 127.0.0.1 -n 18 > nul && "C:\Users\Admin\AppData\Roaming\windowss.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2340
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 18
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2880
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 18
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:220
      • C:\Users\Admin\AppData\Roaming\windowss.exe
        "C:\Users\Admin\AppData\Roaming\windowss.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1636
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
          4⤵
            PID:2176
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:4676

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\windowss.exe

      Filesize

      1.2MB

      MD5

      96d2106a3a6f64335ef5777aad854e50

      SHA1

      589ed8bfb973cd55162d021923ac35d2a0013758

      SHA256

      931e3628826b5becb12781a8d1734715512b282ea3d33978c28db1676cbac726

      SHA512

      3cd9920e070a2414ef25cbab7d00a3f3243d9f2a9504c59d140da4ca10e35f283276013c12ef75900152739ff52237b6881e6d81e07685e0a1ca8d3dc397387c

    • memory/1636-28-0x00000000745B0000-0x0000000074D60000-memory.dmp

      Filesize

      7.7MB

    • memory/1636-23-0x0000000008580000-0x0000000008586000-memory.dmp

      Filesize

      24KB

    • memory/1636-22-0x0000000007280000-0x000000000729A000-memory.dmp

      Filesize

      104KB

    • memory/1636-21-0x00000000745B0000-0x0000000074D60000-memory.dmp

      Filesize

      7.7MB

    • memory/1636-20-0x00000000745B0000-0x0000000074D60000-memory.dmp

      Filesize

      7.7MB

    • memory/1636-19-0x0000000000C40000-0x0000000000D6E000-memory.dmp

      Filesize

      1.2MB

    • memory/1636-18-0x00000000745B0000-0x0000000074D60000-memory.dmp

      Filesize

      7.7MB

    • memory/4676-48-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-86-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-89-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-88-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-87-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-51-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-85-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-84-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-83-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-82-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-81-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-24-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-26-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-27-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-80-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-29-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-30-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-31-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-32-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-33-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-34-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-35-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-36-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-37-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-38-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-39-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-40-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-41-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-42-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-43-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-44-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-45-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-46-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-47-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-79-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-49-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-62-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-52-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-78-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-53-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-54-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-55-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-56-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-57-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-58-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-59-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-60-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-61-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-50-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-63-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-64-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-65-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-66-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-67-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-68-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-69-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-70-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-71-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-72-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-73-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-74-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-75-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-76-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4676-77-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/4792-9-0x00000000745EE000-0x00000000745EF000-memory.dmp

      Filesize

      4KB

    • memory/4792-0-0x00000000745EE000-0x00000000745EF000-memory.dmp

      Filesize

      4KB

    • memory/4792-1-0x0000000000900000-0x0000000000A2E000-memory.dmp

      Filesize

      1.2MB

    • memory/4792-2-0x0000000005E10000-0x00000000063B4000-memory.dmp

      Filesize

      5.6MB

    • memory/4792-3-0x0000000005900000-0x0000000005992000-memory.dmp

      Filesize

      584KB

    • memory/4792-4-0x00000000059A0000-0x0000000005A3C000-memory.dmp

      Filesize

      624KB

    • memory/4792-5-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB

    • memory/4792-6-0x0000000005A40000-0x0000000005A66000-memory.dmp

      Filesize

      152KB

    • memory/4792-7-0x0000000005D80000-0x0000000005D8A000-memory.dmp

      Filesize

      40KB

    • memory/4792-8-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB

    • memory/4792-12-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB

    • memory/4792-10-0x00000000745E0000-0x0000000074D90000-memory.dmp

      Filesize

      7.7MB