Overview

overview

10

Static

static

1

Brooming.vbs

windows7-x64

10

Brooming.vbs

windows10-2004-x64

10

Sharing

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General

  • Target

    Brooming.vbs

  • Size

    46KB

  • Sample

    241219-hpj22atrdp

  • MD5

    fbcaeb4144c55d299c7703277c01c329

  • SHA1

    bc1b38c0454d1badf6ce204029a856a971f156c1

  • SHA256

    6c6329c8ab3fa52c199cbbf9b270f8faaa05dc74d7f78cbd5ac8bbea61ef49bc

  • SHA512

    b0a55cfcf5cc6a147d1b886dc5b91354ac16b63bbb3f7ee75d77567c76e5b537c141663c8688422a967a9005afebab1edeb6a53b72f5f53970f4cc49b79f0962

  • SSDEEP

    768:s4jyyG+RN4ot+jCI5zZPoxnUMDUWnaaEUuZplI8Z9TDgAuovEKFgS:syyFMujCI5zZEnUM5a3USHLcAEAJ

Score
10/10
remcosremotehostdiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

154.216.20.209:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-BNP8PO

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      Brooming.vbs

    • Size

      46KB

    • MD5

      fbcaeb4144c55d299c7703277c01c329

    • SHA1

      bc1b38c0454d1badf6ce204029a856a971f156c1

    • SHA256

      6c6329c8ab3fa52c199cbbf9b270f8faaa05dc74d7f78cbd5ac8bbea61ef49bc

    • SHA512

      b0a55cfcf5cc6a147d1b886dc5b91354ac16b63bbb3f7ee75d77567c76e5b537c141663c8688422a967a9005afebab1edeb6a53b72f5f53970f4cc49b79f0962

    • SSDEEP

      768:s4jyyG+RN4ot+jCI5zZPoxnUMDUWnaaEUuZplI8Z9TDgAuovEKFgS:syyFMujCI5zZEnUM5a3USHLcAEAJ

    Score
    10/10
    remcosremotehostdiscoverypersistencerat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Blocklisted process makes network request

    • 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

      persistence

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks