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General

  • Target

    93ee28a5349ef6b05abf914e43b34333ca33bb24a36fcc07bec3f818fdadae42.exe

  • Size

    134KB

  • Sample

    250323-p5w5vs1tew

  • MD5

    604489f03ada0efe0e572dc243ec601f

  • SHA1

    675dd6d71af11dfec2d1922e9a2e51677570ea67

  • SHA256

    93ee28a5349ef6b05abf914e43b34333ca33bb24a36fcc07bec3f818fdadae42

  • SHA512

    d99e8406b27f2e3668f224db1b0d2a49db68bec3be67787f02b835cbfbf9b768ec89a3eebaecda1a80a2c4fd89806124403b0370479fae7c106c7e64bad96180

  • SSDEEP

    3072:xPd4n/M+WLcilrpgGH/GwY87mVmIXarMc:xP6/M+WLckOBhVmIqrMc

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

systemcontrol.ddns.net:45000

systemcontrol2.ddns.net:45000

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    OfficeUpgrade.exe

  • copy_folder

    OfficeUpgrade

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    Upgrader.dat

  • keylog_flag

    false

  • keylog_folder

    Upgrader

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    req_khauflaoyr

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    OfficeUpgrade

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      93ee28a5349ef6b05abf914e43b34333ca33bb24a36fcc07bec3f818fdadae42.exe

    • Size

      134KB

    • MD5

      604489f03ada0efe0e572dc243ec601f

    • SHA1

      675dd6d71af11dfec2d1922e9a2e51677570ea67

    • SHA256

      93ee28a5349ef6b05abf914e43b34333ca33bb24a36fcc07bec3f818fdadae42

    • SHA512

      d99e8406b27f2e3668f224db1b0d2a49db68bec3be67787f02b835cbfbf9b768ec89a3eebaecda1a80a2c4fd89806124403b0370479fae7c106c7e64bad96180

    • SSDEEP

      3072:xPd4n/M+WLcilrpgGH/GwY87mVmIXarMc:xP6/M+WLckOBhVmIqrMc

    • Remcos

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

    • Remcos family

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks