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Overview

overview

10

Static

static

1

391b121e9e...76.exe

windows7-x64

10

391b121e9e...76.exe

windows10-2004-x64

10

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General

  • Target

    391b121e9e8615de5696b86f27d250c35e685f8a08ebf27f0242eef9e5ac6976

  • Size

    1.9MB

  • Sample

    250324-yyqh6sylz8

  • MD5

    677fc7eeaf03128bbf4377f677c10446

  • SHA1

    5f7cceb467a62583b64a9dc6445d253984332135

  • SHA256

    391b121e9e8615de5696b86f27d250c35e685f8a08ebf27f0242eef9e5ac6976

  • SHA512

    dfab572fa693d1d78fa9fd1ddee2a11afeeb2e51ed6aacd6fc70415656296cbea1f32c8e3835ceb36e744406508f883f30b29a5932eb24ed7a9243b06e8fc95e

  • SSDEEP

    24576:uD39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJWqwH697:uF+QrFUBgq25eKu697

Score
10/10
remcoshostdiscoverypersistenceratspywarestealer

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

      391b121e9e8615de5696b86f27d250c35e685f8a08ebf27f0242eef9e5ac6976

    • Size

      1.9MB

    • MD5

      677fc7eeaf03128bbf4377f677c10446

    • SHA1

      5f7cceb467a62583b64a9dc6445d253984332135

    • SHA256

      391b121e9e8615de5696b86f27d250c35e685f8a08ebf27f0242eef9e5ac6976

    • SHA512

      dfab572fa693d1d78fa9fd1ddee2a11afeeb2e51ed6aacd6fc70415656296cbea1f32c8e3835ceb36e744406508f883f30b29a5932eb24ed7a9243b06e8fc95e

    • SSDEEP

      24576:uD39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJWqwH697:uF+QrFUBgq25eKu697

    Score
    10/10
    remcoshostdiscoverypersistenceratspywarestealer

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks