Overview

overview

10

Static

static

1

cf36f37eb8...36.exe

windows7-x64

3

cf36f37eb8...36.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    cf36f37eb8d3f695dfc8e0f4b0955e0f746df010f8ca0bf2b658e075597fcc36

  • Size

    978KB

  • Sample

    250330-y4s69ayls8

  • MD5

    0c2edddc52b7af556b9e4052ce41f638

  • SHA1

    8db72bc3395f7e42baa709733d81d7c50e9d1dfd

  • SHA256

    cf36f37eb8d3f695dfc8e0f4b0955e0f746df010f8ca0bf2b658e075597fcc36

  • SHA512

    65a8f124b864e83cdb1634c6455411dc3458148a828a1fa02217b9b15bda6dfab125f4a135ca0993ef97baa4852a052fd4a0d8ee5dbee3d80e5d9255c9cb70a8

  • SSDEEP

    12288:Jp+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRz9FQq:JpugRNJI1D39dlfGQrFUx9FD

Score
10/10
remcoshostdiscoverypersistenceratspywarestealer

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

      cf36f37eb8d3f695dfc8e0f4b0955e0f746df010f8ca0bf2b658e075597fcc36

    • Size

      978KB

    • MD5

      0c2edddc52b7af556b9e4052ce41f638

    • SHA1

      8db72bc3395f7e42baa709733d81d7c50e9d1dfd

    • SHA256

      cf36f37eb8d3f695dfc8e0f4b0955e0f746df010f8ca0bf2b658e075597fcc36

    • SHA512

      65a8f124b864e83cdb1634c6455411dc3458148a828a1fa02217b9b15bda6dfab125f4a135ca0993ef97baa4852a052fd4a0d8ee5dbee3d80e5d9255c9cb70a8

    • SSDEEP

      12288:Jp+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRz9FQq:JpugRNJI1D39dlfGQrFUx9FD

    Score
    10/10
    discoveryremcoshostpersistenceratspywarestealer

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks