Resubmissions

07-01-2025 16:33

250107-t21fbs1kel 10

07-01-2025 16:25

250107-txdqrsynbz 10

General

  • Target

    Remcos v5.3.0 Light.exe

  • Size

    38.5MB

  • Sample

    250107-t21fbs1kel

  • MD5

    be1aa2a7600e0845d73cd004cd385135

  • SHA1

    b49bfa8ada17ce0f4497a2f2e589824e700360ba

  • SHA256

    20fefa38a50cd99ab81181ab99bee40c3639dbdd465ce2e277eebf1bd6308433

  • SHA512

    adea6c19d96435f853cfa4685f836d20970d944d8155b0ec9d30b7ba3499bb46d9b3125a5a3baf5c244247de3ccd79de0835a3bbc0416b36083e78a1fc865e10

  • SSDEEP

    786432:i3hQRdPjIyoLKX7ho1zqC0tIvNFom4jeA+bG:vvPj0CNUzqCYSaLjeZa

Malware Config

Extracted

Family

remcos

Version

5.3.0 Light

Botnet

RemoteHost

C2

181.215.176.83:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-403792

  • 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

      Remcos v5.3.0 Light.exe

    • Size

      38.5MB

    • MD5

      be1aa2a7600e0845d73cd004cd385135

    • SHA1

      b49bfa8ada17ce0f4497a2f2e589824e700360ba

    • SHA256

      20fefa38a50cd99ab81181ab99bee40c3639dbdd465ce2e277eebf1bd6308433

    • SHA512

      adea6c19d96435f853cfa4685f836d20970d944d8155b0ec9d30b7ba3499bb46d9b3125a5a3baf5c244247de3ccd79de0835a3bbc0416b36083e78a1fc865e10

    • SSDEEP

      786432:i3hQRdPjIyoLKX7ho1zqC0tIvNFom4jeA+bG:vvPj0CNUzqCYSaLjeZa

    • Remcos

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

    • Remcos family

    • Executes dropped EXE

    • Loads dropped DLL

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks