Overview

overview

10

Static

static

3

587b94eb41...86.exe

windows7-x64

10

587b94eb41...86.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    587b94eb4118f67cb7c9f6c51c84ae2a3033e09992e2a22bdd5fd7e93deede86

  • Size

    141KB

  • Sample

    241224-2clvmsypht

  • MD5

    1c96c620f712a5c3e8e9d001d78e5fbf

  • SHA1

    c8fc0b1880b3a05ed94b7a27d21faf565d889dfa

  • SHA256

    587b94eb4118f67cb7c9f6c51c84ae2a3033e09992e2a22bdd5fd7e93deede86

  • SHA512

    613a353352a7d2c234189253c4178bcc999c583c093b9a131f1fdc287a1efcc9cee9d89b860a32809f2c85f2310f6d3ee590a676c6994f3d7d11088f3406ca2a

  • SSDEEP

    3072:xPd4n/M+WLcilrpgGH/GwY87mVmIXhIHVSlE4:xP6/M+WLckOBhVmIYu

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

      587b94eb4118f67cb7c9f6c51c84ae2a3033e09992e2a22bdd5fd7e93deede86

    • Size

      141KB

    • MD5

      1c96c620f712a5c3e8e9d001d78e5fbf

    • SHA1

      c8fc0b1880b3a05ed94b7a27d21faf565d889dfa

    • SHA256

      587b94eb4118f67cb7c9f6c51c84ae2a3033e09992e2a22bdd5fd7e93deede86

    • SHA512

      613a353352a7d2c234189253c4178bcc999c583c093b9a131f1fdc287a1efcc9cee9d89b860a32809f2c85f2310f6d3ee590a676c6994f3d7d11088f3406ca2a

    • SSDEEP

      3072:xPd4n/M+WLcilrpgGH/GwY87mVmIXhIHVSlE4:xP6/M+WLckOBhVmIYu

    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