Overview

overview

10

Static

static

1

2d3ddf1260...b0.exe

windows7-x64

3

2d3ddf1260...b0.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2d3ddf1260de8f265cde9976547c500417fcd6fb3e46725e49d9b54f57d2ddb0

  • Size

    982KB

  • Sample

    250328-ywb8rssmx5

  • MD5

    b2fbf1ffcdef4d599457b730f60e6929

  • SHA1

    1bf3ae3e5805937912463859762c072e3cb19705

  • SHA256

    2d3ddf1260de8f265cde9976547c500417fcd6fb3e46725e49d9b54f57d2ddb0

  • SHA512

    1624b13075f37981ced7402e027f988212627f94d51fda5ae159a5dbb2ec08d0a60ce91fe36aac624cf2981177bd4be2efa65645fbcae09fa14b8a9eb7a2b6d1

  • SSDEEP

    12288:Qp+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRzwAY3An7:QpugRNJI1D39dlfGQrFUxwAeAn7

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

      2d3ddf1260de8f265cde9976547c500417fcd6fb3e46725e49d9b54f57d2ddb0

    • Size

      982KB

    • MD5

      b2fbf1ffcdef4d599457b730f60e6929

    • SHA1

      1bf3ae3e5805937912463859762c072e3cb19705

    • SHA256

      2d3ddf1260de8f265cde9976547c500417fcd6fb3e46725e49d9b54f57d2ddb0

    • SHA512

      1624b13075f37981ced7402e027f988212627f94d51fda5ae159a5dbb2ec08d0a60ce91fe36aac624cf2981177bd4be2efa65645fbcae09fa14b8a9eb7a2b6d1

    • SSDEEP

      12288:Qp+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRzwAY3An7:QpugRNJI1D39dlfGQrFUxwAeAn7

    Score
    10/10
    discoveryremcoshostpersistenceratspywarestealer

    • 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

    • 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