Overview

overview

10

Static

static

3

8858652128...cN.exe

windows7-x64

10

8858652128...cN.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    88586521287a64331eb275b700110ff4fae5884e8a62655fe88cae71d59cb73cN.exe

  • Size

    140KB

  • Sample

    241226-d6kbxawkcx

  • MD5

    26ef5428d0ca17146002a3cea5b96810

  • SHA1

    c2e9289ff3932e602884ce4d1f03f0fde8c2e67a

  • SHA256

    88586521287a64331eb275b700110ff4fae5884e8a62655fe88cae71d59cb73c

  • SHA512

    795bdcb328f09ff8c1f5f2934fd104c8865f1ac744bac01d988def996ce7a521139d8a686bb7bd8f6ceda74891ab560c96b86d09f0fc62ca6f98d003b0758c77

  • SSDEEP

    3072:xPd4n/M+WLcilrpgGH/GwY87mVmIXhIHVSJ:xP6/M+WLckOBhVmIYI

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

      88586521287a64331eb275b700110ff4fae5884e8a62655fe88cae71d59cb73cN.exe

    • Size

      140KB

    • MD5

      26ef5428d0ca17146002a3cea5b96810

    • SHA1

      c2e9289ff3932e602884ce4d1f03f0fde8c2e67a

    • SHA256

      88586521287a64331eb275b700110ff4fae5884e8a62655fe88cae71d59cb73c

    • SHA512

      795bdcb328f09ff8c1f5f2934fd104c8865f1ac744bac01d988def996ce7a521139d8a686bb7bd8f6ceda74891ab560c96b86d09f0fc62ca6f98d003b0758c77

    • SSDEEP

      3072:xPd4n/M+WLcilrpgGH/GwY87mVmIXhIHVSJ:xP6/M+WLckOBhVmIYI

    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