General

  • Target

    e008590dc22ef3e97b3a5087421ca315e4ab71e8c459bd17c5b17ff57a71bcb5

  • Size

    2.1MB

  • Sample

    240915-cqa8ma1aqb

  • MD5

    28d6851d2b3ef85f1691bcb09b31a183

  • SHA1

    9b3f8b01821ea4980ca30f49672db310043db5fb

  • SHA256

    e008590dc22ef3e97b3a5087421ca315e4ab71e8c459bd17c5b17ff57a71bcb5

  • SHA512

    274e61c4e20847df391437cf5e7b7622b94b9fdb91fa7b70fb02f01cf5d11df9ece737eb8a32b5c284ed77fd49e53abff00246487458eda97952e64556ed069d

  • SSDEEP

    24576:ED39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPj8/j73AneLKJJ4j:Ep7E+QrFUBgq2Kj

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

Extracted

Family

remcos

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

      e008590dc22ef3e97b3a5087421ca315e4ab71e8c459bd17c5b17ff57a71bcb5

    • Size

      2.1MB

    • MD5

      28d6851d2b3ef85f1691bcb09b31a183

    • SHA1

      9b3f8b01821ea4980ca30f49672db310043db5fb

    • SHA256

      e008590dc22ef3e97b3a5087421ca315e4ab71e8c459bd17c5b17ff57a71bcb5

    • SHA512

      274e61c4e20847df391437cf5e7b7622b94b9fdb91fa7b70fb02f01cf5d11df9ece737eb8a32b5c284ed77fd49e53abff00246487458eda97952e64556ed069d

    • SSDEEP

      24576:ED39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPj8/j73AneLKJJ4j:Ep7E+QrFUBgq2Kj

    • Remcos

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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