General

  • Target

    7af1c536e0fe8a4db1373de6b8005bff485084c28d36a37cb46052d41c609708

  • Size

    2.1MB

  • Sample

    241016-2avd1azcqp

  • MD5

    18f67d707146fc908455ef5d16d6767f

  • SHA1

    2f5d33f14155769ca54f4aee09d7efc2c41dcc7d

  • SHA256

    7af1c536e0fe8a4db1373de6b8005bff485084c28d36a37cb46052d41c609708

  • SHA512

    a06f78dc341d8f816dd3dfee5b54f82c43e6dbd212777174a9d812a9051be55b823c0f085b860e68735efd24d7bd4d01bad8b9c557551b46b740bc439dd77fef

  • SSDEEP

    24576:3D39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4avnXJJjc:3p7E+QrFUBgq2Sng

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

      7af1c536e0fe8a4db1373de6b8005bff485084c28d36a37cb46052d41c609708

    • Size

      2.1MB

    • MD5

      18f67d707146fc908455ef5d16d6767f

    • SHA1

      2f5d33f14155769ca54f4aee09d7efc2c41dcc7d

    • SHA256

      7af1c536e0fe8a4db1373de6b8005bff485084c28d36a37cb46052d41c609708

    • SHA512

      a06f78dc341d8f816dd3dfee5b54f82c43e6dbd212777174a9d812a9051be55b823c0f085b860e68735efd24d7bd4d01bad8b9c557551b46b740bc439dd77fef

    • SSDEEP

      24576:3D39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4avnXJJjc:3p7E+QrFUBgq2Sng

    • 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