Overview

overview

10

Static

static

3

223be7beb4...1b.exe

windows7-x64

10

223be7beb4...1b.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    223be7beb431729647ff189289ba407c3d96a4458c443d2293c559f96f5d5a1b

  • Size

    139KB

  • Sample

    240918-x49nkazbnm

  • MD5

    8fca0ed499ae62412e382b1a5c37b9d9

  • SHA1

    99c35644e20ce4f56de398010650be2e98b914ca

  • SHA256

    223be7beb431729647ff189289ba407c3d96a4458c443d2293c559f96f5d5a1b

  • SHA512

    9495cb6225b8c578b35964325687255af964e373f71521724baed086f1ea8a5b9cd01be8cf481420c21a1f381ba25105c0477ec2a818fe4c5edf9b7a04c1cfef

  • SSDEEP

    1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjKM:xPd4n/M+WLcilrpgGH/GwY87mVmIX8

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

      223be7beb431729647ff189289ba407c3d96a4458c443d2293c559f96f5d5a1b

    • Size

      139KB

    • MD5

      8fca0ed499ae62412e382b1a5c37b9d9

    • SHA1

      99c35644e20ce4f56de398010650be2e98b914ca

    • SHA256

      223be7beb431729647ff189289ba407c3d96a4458c443d2293c559f96f5d5a1b

    • SHA512

      9495cb6225b8c578b35964325687255af964e373f71521724baed086f1ea8a5b9cd01be8cf481420c21a1f381ba25105c0477ec2a818fe4c5edf9b7a04c1cfef

    • SSDEEP

      1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjKM:xPd4n/M+WLcilrpgGH/GwY87mVmIX8

    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