Analysis

  • max time kernel
    150s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/07/2024, 16:39

General

  • Target
    1dbc32909a3c7c47e4aebcabdd90654f058e687f1a2e066b0f947e3dd8a6d54a.exe
  • Size 1.9MB
  • Sample240713-t5zcfaydrm
  • 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\1dbc32909a3c7c47e4aebcabdd90654f058e687f1a2e066b0f947e3dd8a6d54a.exe
    "C:\Users\Admin\AppData\Local\Temp\1dbc32909a3c7c47e4aebcabdd90654f058e687f1a2e066b0f947e3dd8a6d54a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2744
    • C:\Users\Admin\AppData\Local\Temp\1dbc32909a3c7c47e4aebcabdd90654f058e687f1a2e066b0f947e3dd8a6d54a.exe
      "C:\Users\Admin\AppData\Local\Temp\1dbc32909a3c7c47e4aebcabdd90654f058e687f1a2e066b0f947e3dd8a6d54a.exe"
      2⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4376

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/2744-0-0x0000000000400000-0x0000000000603000-memory.dmp

        memory/2744-1-0x0000000000400000-0x0000000000603000-memory.dmp

        memory/2744-2-0x0000000000407000-0x0000000000421000-memory.dmp

        memory/2744-3-0x0000000000400000-0x0000000000603000-memory.dmp

        memory/2744-5-0x0000000000400000-0x0000000000603000-memory.dmp

        memory/4376-4-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-6-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-7-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-8-0x0000000000400000-0x0000000000603000-memory.dmp

        memory/4376-9-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-10-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-11-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-12-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-13-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-14-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-15-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-16-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-17-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-18-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-19-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-20-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-21-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-22-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-23-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-24-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-25-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-26-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-27-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-28-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-29-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-30-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-31-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-32-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-33-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-34-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-35-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-36-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-37-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-38-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-39-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-40-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-41-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-42-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-43-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-44-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-45-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-46-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-47-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-48-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-49-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-50-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-51-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-52-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-53-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-54-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-55-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-56-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-57-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-58-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-59-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-60-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-61-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-62-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-63-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-64-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-65-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-66-0x00000000000C0000-0x0000000000135000-memory.dmp

        memory/4376-67-0x00000000000C0000-0x0000000000135000-memory.dmp