General

  • Target

    New Purchase Order 25051643.exe

  • Size

    997KB

  • Sample

    240328-kntaesed24

  • MD5

    ccc056c533979eacb9089e27c5b24518

  • SHA1

    d85d5e3540711d86bcd798f74b6fd68deb100a8e

  • SHA256

    38d45a0e0f376be174d788c93424ef4724daad94ce4139beba1868a36d8ad47f

  • SHA512

    e2c8181bbddf2f7e391d391e0e253beb0472950ef58e371a699b4b24f471c287f14146530bd45e79e0f6d78eada493c522e7e1c55eb207ef5c1735eca249cae2

  • SSDEEP

    24576:9aj8qIR12+0LufeamU7DoLyo5yViQkZmSXwVtJ:RkLUnno5xQkQTV

Malware Config

Extracted

Family

remcos

Botnet

JOHN SMITH

C2

192.210.201.57:62289

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-GIZGNL

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      New Purchase Order 25051643.exe

    • Size

      997KB

    • MD5

      ccc056c533979eacb9089e27c5b24518

    • SHA1

      d85d5e3540711d86bcd798f74b6fd68deb100a8e

    • SHA256

      38d45a0e0f376be174d788c93424ef4724daad94ce4139beba1868a36d8ad47f

    • SHA512

      e2c8181bbddf2f7e391d391e0e253beb0472950ef58e371a699b4b24f471c287f14146530bd45e79e0f6d78eada493c522e7e1c55eb207ef5c1735eca249cae2

    • SSDEEP

      24576:9aj8qIR12+0LufeamU7DoLyo5yViQkZmSXwVtJ:RkLUnno5xQkQTV

    • Remcos

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

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook accounts

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks