Analysis

  • max time kernel
    120s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/07/2024, 04:26

General

  • Target
    69521a127073367c77ab5d875c7c6b80N.exe
  • Size 1.9MB
  • Sample240717-e22k3awapn
  • SHA256 1dbc32909a3c7c47e4aebcabdd90654f058e687f1a2e066b0f947e3dd8a6d54a
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • remcos

Version
  • 4.9.3 Light

Botnet
  • RemoteHost

C2
  • 127.0.0.1:2404

Attributes
  • audio_folder

    MicRecords

  • 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-52SPIJ

  • 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.

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\69521a127073367c77ab5d875c7c6b80N.exe
    "C:\Users\Admin\AppData\Local\Temp\69521a127073367c77ab5d875c7c6b80N.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:648
    • C:\Users\Admin\AppData\Local\Temp\69521a127073367c77ab5d875c7c6b80N.exe
      "C:\Users\Admin\AppData\Local\Temp\69521a127073367c77ab5d875c7c6b80N.exe"
      2⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1936

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/648-5-0x00000000005B3000-0x00000000005BB000-memory.dmp

        memory/648-1-0x0000000000400000-0x0000000000603000-memory.dmp

        memory/648-12-0x00000000005CB000-0x00000000005FD000-memory.dmp

        memory/648-11-0x0000000000400000-0x0000000000603000-memory.dmp

        memory/648-9-0x00000000005C5000-0x00000000005CA000-memory.dmp

        memory/648-8-0x00000000005C2000-0x00000000005CA000-memory.dmp

        memory/648-7-0x00000000005BD000-0x00000000005C1000-memory.dmp

        memory/648-6-0x00000000005BA000-0x00000000005C1000-memory.dmp

        memory/648-0-0x0000000000400000-0x0000000000603000-memory.dmp

        memory/648-4-0x0000000000407000-0x0000000000421000-memory.dmp

        memory/1936-36-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-41-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-10-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-14-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-13-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-16-0x0000000000400000-0x0000000000603000-memory.dmp

        memory/1936-2-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-17-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-18-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-19-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-20-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-21-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-22-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-23-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-24-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-25-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-26-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-27-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-28-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-29-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-30-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-31-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-32-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-33-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-34-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-35-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-3-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-37-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-38-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-39-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-40-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-15-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-42-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-43-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-44-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-45-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-46-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-47-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-48-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-49-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-50-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-51-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-52-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-53-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-54-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-55-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-56-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-57-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-58-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-59-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-60-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-61-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-62-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-63-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-64-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-65-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-66-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-67-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-68-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-69-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-70-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-71-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/1936-72-0x00000000000C0000-0x0000000000135000-memory.dmp