Overview

overview

10

Static

static

3

ef77ba9ee6...18.exe

windows7-x64

7

ef77ba9ee6...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ef77ba9ee6a9e2800860724eb9baba03_JaffaCakes118

  • Size

    131KB

  • Sample

    241214-s1ab3sykej

  • MD5

    ef77ba9ee6a9e2800860724eb9baba03

  • SHA1

    8fb2d3bfe841a17d2071515aa2b74cb3564b347d

  • SHA256

    889e674614c4135997d1af3657a6093fdc036e78ce03b93a42cd8f8e47a5a946

  • SHA512

    3c32bfd23fe0eb271fa0c551e3677e28606012436d07b1a65fdaa363bc44fc5f6ce1b485e7059c35b08f37d7f64c8ef13e470353f7172ae820f8e704340916fa

  • SSDEEP

    1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjKV:xPd4n/M+WLcilrpgGH/GwY87mVmIXl

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

      ef77ba9ee6a9e2800860724eb9baba03_JaffaCakes118

    • Size

      131KB

    • MD5

      ef77ba9ee6a9e2800860724eb9baba03

    • SHA1

      8fb2d3bfe841a17d2071515aa2b74cb3564b347d

    • SHA256

      889e674614c4135997d1af3657a6093fdc036e78ce03b93a42cd8f8e47a5a946

    • SHA512

      3c32bfd23fe0eb271fa0c551e3677e28606012436d07b1a65fdaa363bc44fc5f6ce1b485e7059c35b08f37d7f64c8ef13e470353f7172ae820f8e704340916fa

    • SSDEEP

      1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjKV:xPd4n/M+WLcilrpgGH/GwY87mVmIXl

    Score
    10/10
    discoverypersistenceremcoshostrat

    • 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