General

  • Target

    d020daee98bb26f87e749c1d27cbfeebbf6e8d97a806b8507a40abf6bb7c00f8N

  • Size

    2.2MB

  • Sample

    241018-dbp9nssfmf

  • MD5

    57c5592f6f1395bb06bf3f34f977cd40

  • SHA1

    6b1f1ef7559ea159645425989a3c4700d84c0018

  • SHA256

    d020daee98bb26f87e749c1d27cbfeebbf6e8d97a806b8507a40abf6bb7c00f8

  • SHA512

    e99a6eccc95089773aab385c8f66cebaa53cc5ab58fea7a2293adc6e438c0ff7a5e94405cfcb9710fb4fb2acb2b560a66e034dca27db74491a5375b6b8a8f054

  • SSDEEP

    24576:iD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4ag/uI:ip7E+QrFUBgq2UI

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

213.183.58.19:4000

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    read.dat

  • keylog_flag

    false

  • keylog_folder

    CastC

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_sccafsoidz

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      d020daee98bb26f87e749c1d27cbfeebbf6e8d97a806b8507a40abf6bb7c00f8N

    • Size

      2.2MB

    • MD5

      57c5592f6f1395bb06bf3f34f977cd40

    • SHA1

      6b1f1ef7559ea159645425989a3c4700d84c0018

    • SHA256

      d020daee98bb26f87e749c1d27cbfeebbf6e8d97a806b8507a40abf6bb7c00f8

    • SHA512

      e99a6eccc95089773aab385c8f66cebaa53cc5ab58fea7a2293adc6e438c0ff7a5e94405cfcb9710fb4fb2acb2b560a66e034dca27db74491a5375b6b8a8f054

    • SSDEEP

      24576:iD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4ag/uI:ip7E+QrFUBgq2UI

    • Remcos

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks