Overview

overview

10

Static

static

3

7493ca682e...a0.exe

windows7-x64

10

7493ca682e...a0.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7493ca682e62b4d976af7a820f4a079c0c7864588e6155523414519307bf13a0.exe

  • Size

    140KB

  • Sample

    250111-j2selsvlfn

  • MD5

    826caf6828a8165a5ecdbfbc3f19e6c9

  • SHA1

    7ddc528c0f40a930d6870b98208fcdbe9bed6ad8

  • SHA256

    7493ca682e62b4d976af7a820f4a079c0c7864588e6155523414519307bf13a0

  • SHA512

    1643f1466e6d8c888723b4b5da71abb006c24a5dec9cb68c46ed306a3bb0635a693ab331f92158ac223ef1499257730bf1a16ffb496702eb0d2d020abab0df49

  • SSDEEP

    3072:xPd4n/M+WLcilrpgGH/GwY87mVmIXhIHVS9:xP6/M+WLckOBhVmIYs

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

      7493ca682e62b4d976af7a820f4a079c0c7864588e6155523414519307bf13a0.exe

    • Size

      140KB

    • MD5

      826caf6828a8165a5ecdbfbc3f19e6c9

    • SHA1

      7ddc528c0f40a930d6870b98208fcdbe9bed6ad8

    • SHA256

      7493ca682e62b4d976af7a820f4a079c0c7864588e6155523414519307bf13a0

    • SHA512

      1643f1466e6d8c888723b4b5da71abb006c24a5dec9cb68c46ed306a3bb0635a693ab331f92158ac223ef1499257730bf1a16ffb496702eb0d2d020abab0df49

    • SSDEEP

      3072:xPd4n/M+WLcilrpgGH/GwY87mVmIXhIHVS9:xP6/M+WLckOBhVmIYs

    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