Overview

overview

10

Static

static

3

2c956dbbe6...95.exe

windows7-x64

10

2c956dbbe6...95.exe

windows10-2004-x64

7

Sharing

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General

  • Target

    2c956dbbe6148be036c83f263c1dca1ccdfa889a493b924a53186eb0d72ed195

  • Size

    133KB

  • Sample

    241216-zk72qs1kbl

  • MD5

    d6fbe07dc4479b81cf3fcca659ecf7b5

  • SHA1

    e4265d86d805795984b9bb8af92d19ec55dfbc21

  • SHA256

    2c956dbbe6148be036c83f263c1dca1ccdfa889a493b924a53186eb0d72ed195

  • SHA512

    719cf92bede2b306d6f8c4d31512428f68cf9178840a80322890f4761fae4c5d32a6453d9cf8274515e4c8622de5a906d8f7158e701df1e9ea8a1b4a44b02f43

  • SSDEEP

    1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjKX:xPd4n/M+WLcilrpgGH/GwY87mVmIXaW

Score
10/10
remcoshostdiscoverypersistencerat

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

      2c956dbbe6148be036c83f263c1dca1ccdfa889a493b924a53186eb0d72ed195

    • Size

      133KB

    • MD5

      d6fbe07dc4479b81cf3fcca659ecf7b5

    • SHA1

      e4265d86d805795984b9bb8af92d19ec55dfbc21

    • SHA256

      2c956dbbe6148be036c83f263c1dca1ccdfa889a493b924a53186eb0d72ed195

    • SHA512

      719cf92bede2b306d6f8c4d31512428f68cf9178840a80322890f4761fae4c5d32a6453d9cf8274515e4c8622de5a906d8f7158e701df1e9ea8a1b4a44b02f43

    • SSDEEP

      1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjKX:xPd4n/M+WLcilrpgGH/GwY87mVmIXaW

    Score
    10/10
    remcoshostdiscoverypersistencerat

    • 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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks