Analysis

  • max time kernel
    149s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/03/2024, 17:14

General

  • Target
    DHL AWB 9284730932.exe
  • Size 885KB
  • Sample240321-vr2fbach58
  • SHA256 5762147a28aaed979353975b6f7e2d31d71fb827af0dafb991b442c30e161caa
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • remcos

Botnet
  • 7272626

C2
  • windowsserverfebarch.duckdns.org:5841

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

    72626-GNX3E4

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL AWB 9284730932.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL AWB 9284730932.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1604
    • C:\Users\Admin\AppData\Local\Temp\DHL AWB 9284730932.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL AWB 9284730932.exe"
      2⤵
        PID:4456

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1604-16-0x0000000074DF0000-0x00000000755A0000-memory.dmp

          memory/1604-0-0x0000000000920000-0x0000000000A04000-memory.dmp

          memory/1604-2-0x0000000005990000-0x0000000005F34000-memory.dmp

          memory/1604-3-0x00000000053E0000-0x0000000005472000-memory.dmp

          memory/1604-4-0x0000000005370000-0x0000000005380000-memory.dmp

          memory/1604-5-0x0000000005480000-0x000000000548A000-memory.dmp

          memory/1604-6-0x0000000005670000-0x000000000570C000-memory.dmp

          memory/1604-7-0x0000000006AB0000-0x0000000006AC6000-memory.dmp

          memory/1604-8-0x0000000006640000-0x0000000006648000-memory.dmp

          memory/1604-9-0x0000000006670000-0x000000000667C000-memory.dmp

          memory/1604-10-0x0000000006C20000-0x0000000006CDE000-memory.dmp

          memory/1604-1-0x0000000074DF0000-0x00000000755A0000-memory.dmp

          memory/4456-31-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-36-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-15-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-12-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-17-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-18-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-19-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-20-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-21-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-22-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-23-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-24-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-25-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-26-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-27-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-28-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-29-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-30-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-11-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-32-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-33-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-34-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-35-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-14-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-37-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-38-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-39-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-40-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-41-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-42-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-43-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-44-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-45-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-46-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-47-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-48-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-49-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-50-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-51-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-52-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-53-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-54-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-55-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-56-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-57-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-58-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-59-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/4456-60-0x0000000000400000-0x000000000047F000-memory.dmp