Analysis

  • max time kernel
    154s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/04/2024, 17:24

General

  • Target
    2024-04-20_af3e4155b9dfa9a6725cf2e981d31620_magniber.exe
  • Size 2.4MB
  • Sample240420-vy5rbaea8s
  • SHA256 2f32d76be245260576ccc0a87f38495632565d72cd4313771fb69206cd736556
  • 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 NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-04-20_af3e4155b9dfa9a6725cf2e981d31620_magniber.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-20_af3e4155b9dfa9a6725cf2e981d31620_magniber.exe"
    1⤵
    • Suspicious use of NtCreateThreadExHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:940
    • C:\Users\Admin\AppData\Local\Temp\2024-04-20_af3e4155b9dfa9a6725cf2e981d31620_magniber.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-04-20_af3e4155b9dfa9a6725cf2e981d31620_magniber.exe"
      2⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2816
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3644 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4884

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/940-0-0x0000000000400000-0x0000000000657000-memory.dmp

          memory/940-1-0x0000000000400000-0x0000000000657000-memory.dmp

          memory/940-2-0x0000000000400000-0x0000000000657000-memory.dmp

          memory/940-3-0x0000000000400000-0x0000000000657000-memory.dmp

          memory/940-7-0x0000000000400000-0x0000000000657000-memory.dmp

          memory/2816-4-0x00000000001D0000-0x00000000001D1000-memory.dmp

          memory/2816-6-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-8-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-9-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-10-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-11-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-12-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-13-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-14-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-15-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-16-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-17-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-18-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-19-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-20-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-21-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-22-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-23-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-24-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-25-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-26-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-27-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-28-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-29-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-30-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-31-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-32-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-33-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-34-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-35-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-36-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-37-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-38-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-39-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-40-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-41-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-42-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-43-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-44-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-45-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-46-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-47-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-48-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-49-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-50-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-51-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-52-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-53-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-54-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-55-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-56-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-57-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-58-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-59-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-60-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-61-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-62-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-63-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-64-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-65-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-66-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-67-0x0000000000660000-0x00000000006D5000-memory.dmp

          memory/2816-68-0x0000000000660000-0x00000000006D5000-memory.dmp