Analysis

  • max time kernel
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/10/2026, 00:42

General

  • Target
    2026-10-05_4fb81dfc63e3860deb0f7372fa43b4dc_elex_remcos_remocs_wannacry.exe
  • Size 87KB
  • Sample261007-a2lgmah13s
  • SHA256 a461dbf7e4122cbf79290bcfb69bacc4d3ed46c267551ee61d6a3a7c129e5c32
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 1.7 Pro

Botnet
  • Host

C2
  • vremea.me:443

  • www.vremea.me:443

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    vremea.me.exe

  • copy_folder

    remcos

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_clubskjlibmmfta

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Family: Remcos

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

  • Modifies WinLogon for persistence 2 TTPs 4 IoCs
  • detects Windows exceutables potentially bypassing UAC using eventvwr.exe 1 IoCs
  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Modifies WinLogon 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 1 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 4 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 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-05_4fb81dfc63e3860deb0f7372fa43b4dc_elex_remcos_remocs_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-05_4fb81dfc63e3860deb0f7372fa43b4dc_elex_remcos_remocs_wannacry.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Adds policy Run key to start application
    • Adds Run key to start application
    • Modifies WinLogon
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2788
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\install.bat" "
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1424
      • C:\Windows\SysWOW64\PING.EXE
        PING 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:3008
      • C:\Users\Admin\AppData\Roaming\remcos\vremea.me.exe
        "C:\Users\Admin\AppData\Roaming\remcos\vremea.me.exe"
        3⤵
        • Executes dropped EXE
        PID:4264
  • C:\Users\Admin\AppData\Roaming\remcos\vremea.me.exe
    "C:\Users\Admin\AppData\Roaming\remcos\vremea.me.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Adds policy Run key to start application
    • Executes dropped EXE
    • Adds Run key to start application
    • Modifies WinLogon
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2452
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
      2⤵
        PID:4668
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x00000000000004E8 0x00000000000004B8
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2100

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          install.bat

          • Path C:\Users\Admin\AppData\Local\Temp\install.bat
          • Size 219B
          • SHA256 e6fce2dd6575138c6dc257cccd8df1934a2151117e8f3b188abcfa6bfc9e67e7
          • MD5 SHA1 SHA512 TLSH

          vremea.me.exe

          • Path C:\Users\Admin\AppData\Roaming\remcos\vremea.me.exe
          • Size 87KB
          • SHA256 a461dbf7e4122cbf79290bcfb69bacc4d3ed46c267551ee61d6a3a7c129e5c32
          • MD5 SHA1 SHA512 SSDEEP TLSH