Overview

overview

10

Static

static

3

4931d0c2ab...8N.exe

windows7-x64

10

4931d0c2ab...8N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4931d0c2ab9e3a7badf139fdbfb722b4a75341052bbee19ecdddda032761b4a8N

  • Size

    140KB

  • Sample

    241019-q38asayhjg

  • MD5

    aea7686c67a518cb6df8cf4e41156190

  • SHA1

    89162a9fd63cc78643b97854ea7237fea5bb383d

  • SHA256

    4931d0c2ab9e3a7badf139fdbfb722b4a75341052bbee19ecdddda032761b4a8

  • SHA512

    b9b9daa4a5467c2117cb95ee980455ec382ee75b90999fed6ae90692f43b55159f4f8185d3b56acc6b2c5c13ce00ed519a8cb6418acef3a896915fc0e45162a8

  • SSDEEP

    3072:xPd4n/M+WLcilrpgGH/GwY87mVmIXhIHVT:xP6/M+WLckOBhVmIYT

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

      4931d0c2ab9e3a7badf139fdbfb722b4a75341052bbee19ecdddda032761b4a8N

    • Size

      140KB

    • MD5

      aea7686c67a518cb6df8cf4e41156190

    • SHA1

      89162a9fd63cc78643b97854ea7237fea5bb383d

    • SHA256

      4931d0c2ab9e3a7badf139fdbfb722b4a75341052bbee19ecdddda032761b4a8

    • SHA512

      b9b9daa4a5467c2117cb95ee980455ec382ee75b90999fed6ae90692f43b55159f4f8185d3b56acc6b2c5c13ce00ed519a8cb6418acef3a896915fc0e45162a8

    • SSDEEP

      3072:xPd4n/M+WLcilrpgGH/GwY87mVmIXhIHVT:xP6/M+WLckOBhVmIYT

    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