Analysis

  • max time kernel
    149s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/07/2024, 08:50

General

  • Target
    Downloads/96d1bc7dec91a7a4e5fe653853a504e07d17e898fa437cf75e929fa909dd6bb7.exe
  • Size 1.9MB
  • Sample240714-krt15awemf
  • SHA256 96d1bc7dec91a7a4e5fe653853a504e07d17e898fa437cf75e929fa909dd6bb7
  • 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\Downloads\96d1bc7dec91a7a4e5fe653853a504e07d17e898fa437cf75e929fa909dd6bb7.exe
    "C:\Users\Admin\AppData\Local\Temp\Downloads\96d1bc7dec91a7a4e5fe653853a504e07d17e898fa437cf75e929fa909dd6bb7.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4880
    • C:\Users\Admin\AppData\Local\Temp\Downloads\96d1bc7dec91a7a4e5fe653853a504e07d17e898fa437cf75e929fa909dd6bb7.exe
      "C:\Users\Admin\AppData\Local\Temp\Downloads\96d1bc7dec91a7a4e5fe653853a504e07d17e898fa437cf75e929fa909dd6bb7.exe"
      2⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3292

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3292-34-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-36-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-5-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-3-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-8-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-7-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-66-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-9-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-10-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-11-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-12-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-13-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-14-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-15-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-16-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-17-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-18-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-35-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-20-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-21-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-22-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-23-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-24-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-25-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-26-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-27-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-28-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-29-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-30-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-31-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-32-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-33-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-6-0x0000000000400000-0x00000000005FD000-memory.dmp

        memory/3292-1-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-19-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-37-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-38-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-39-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-40-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-41-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-42-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-43-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-44-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-45-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-46-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-47-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-48-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-49-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-50-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-51-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-52-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-53-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-54-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-55-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-56-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-57-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-58-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-59-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-60-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-61-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-62-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-63-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-64-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/3292-65-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4880-0-0x0000000000400000-0x00000000005FD000-memory.dmp

        memory/4880-4-0x0000000000400000-0x00000000005FD000-memory.dmp

        memory/4880-2-0x0000000000407000-0x0000000000421000-memory.dmp