Overview

overview

10

Static

static

3

20f3e8b4bc...4N.exe

windows7-x64

10

20f3e8b4bc...4N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    20f3e8b4bcc6bb2ff900b0b95332b8d4284077269023a14c2b2f13625ced2684N

  • Size

    138KB

  • Sample

    240923-2amzxs1brp

  • MD5

    a72a99b91f5e47c3a6f40ef983343680

  • SHA1

    a8cfc9541ea81f16d67ebd7900c8020b563d04e7

  • SHA256

    20f3e8b4bcc6bb2ff900b0b95332b8d4284077269023a14c2b2f13625ced2684

  • SHA512

    9d9d71e2f00d615c428ea409998ece26a7ba0dd8cc36a3ffa254ba775fcab03f6cca05d1967c9204a9468d1f48c556e34e5cccbb82cc8f1d4e31c592c41f9937

  • SSDEEP

    1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjK6:xPd4n/M+WLcilrpgGH/GwY87mVmIXK

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

      20f3e8b4bcc6bb2ff900b0b95332b8d4284077269023a14c2b2f13625ced2684N

    • Size

      138KB

    • MD5

      a72a99b91f5e47c3a6f40ef983343680

    • SHA1

      a8cfc9541ea81f16d67ebd7900c8020b563d04e7

    • SHA256

      20f3e8b4bcc6bb2ff900b0b95332b8d4284077269023a14c2b2f13625ced2684

    • SHA512

      9d9d71e2f00d615c428ea409998ece26a7ba0dd8cc36a3ffa254ba775fcab03f6cca05d1967c9204a9468d1f48c556e34e5cccbb82cc8f1d4e31c592c41f9937

    • SSDEEP

      1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjK6:xPd4n/M+WLcilrpgGH/GwY87mVmIXK

    Score
    10/10
    remcoshostdiscoverypersistencerat

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

      ratremcos

    • 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