Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21/04/2024, 00:42

General

  • Target
    2024-04-21_b8c9b04ba9a7b70e8fca7522a621f489_magniber.exe
  • Size 2.4MB
  • Sample240421-a2rnmsed25
  • SHA256 1cdd600f3582ff8116b400f32c7b60cab749a7cc138698bbf43eae4ee28aa005
  • 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 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-04-21_b8c9b04ba9a7b70e8fca7522a621f489_magniber.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-21_b8c9b04ba9a7b70e8fca7522a621f489_magniber.exe"
    1⤵
    • Suspicious use of NtCreateThreadExHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Users\Admin\AppData\Local\Temp\2024-04-21_b8c9b04ba9a7b70e8fca7522a621f489_magniber.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-04-21_b8c9b04ba9a7b70e8fca7522a621f489_magniber.exe"
      2⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2308

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1984-1-0x0000000000400000-0x000000000065B000-memory.dmp

        memory/1984-0-0x0000000000400000-0x000000000065B000-memory.dmp

        memory/1984-3-0x0000000000400000-0x000000000065B000-memory.dmp

        memory/1984-5-0x0000000000400000-0x000000000065B000-memory.dmp

        memory/2308-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/2308-2-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-12-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-13-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-10-0x0000000000240000-0x0000000000241000-memory.dmp

        memory/2308-8-0x0000000000240000-0x0000000000241000-memory.dmp

        memory/2308-14-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-15-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-16-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-17-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-18-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-19-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-20-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-21-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-22-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-23-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-24-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-25-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-26-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-27-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-28-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-29-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-30-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-31-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-32-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-33-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-34-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-35-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-36-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-37-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-38-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-39-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-40-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-41-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-42-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-43-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-44-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-45-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-46-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-47-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-48-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-49-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-50-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-51-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-52-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-53-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-54-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-55-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-56-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-57-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-58-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-59-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-60-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-61-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-62-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-63-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-64-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-65-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-66-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-67-0x00000000001C0000-0x0000000000235000-memory.dmp

        memory/2308-68-0x00000000001C0000-0x0000000000235000-memory.dmp