Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-09-2024 07:51

General

  • Target

    Order Confirmation 10184.exe

  • Size

    3.5MB

  • MD5

    df2ace5c6db82428462e74d47d0465bf

  • SHA1

    ad0284fecf66d6b740fde18c1929aeabd8f3c83d

  • SHA256

    eda27c1bb7dbc080b1db6b379e99b435a4bece82d82ac57265fc46e4998ee387

  • SHA512

    153035ccb7b7bcf94367717cc4fbe70947bf4de5de33b5fea673e24348e2e0f0f9381b73c47af1f860c12e00b49cb7f058f053415b08e716fd3b087a4b5a01fe

  • SSDEEP

    24576:ULBjHOz3eHyTm8o0NQVwDigJIeOjBKw31I:UNLOz3eHyTm8bOVHuOjBKw31I

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:52121

officerem.duckdns.org:52121

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-6GPUH1

  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order Confirmation 10184.exe
    "C:\Users\Admin\AppData\Local\Temp\Order Confirmation 10184.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4436
    • C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4720
    • C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
      2⤵
        PID:4788

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4436-0-0x00007FFE65093000-0x00007FFE65095000-memory.dmp

      Filesize

      8KB

    • memory/4436-1-0x000001C3DC0B0000-0x000001C3DC0B8000-memory.dmp

      Filesize

      32KB

    • memory/4436-2-0x000001C3F6610000-0x000001C3F66DC000-memory.dmp

      Filesize

      816KB

    • memory/4436-3-0x00007FFE65090000-0x00007FFE65B51000-memory.dmp

      Filesize

      10.8MB

    • memory/4436-5-0x00007FFE65090000-0x00007FFE65B51000-memory.dmp

      Filesize

      10.8MB

    • memory/4720-4-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB