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Overview

overview

10

Static

static

3

786ef7c209...3N.exe

windows7-x64

10

786ef7c209...3N.exe

windows10-2004-x64

10

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General

  • Target

    786ef7c2097911d84c31b1e866a6fbe8b7b5034d2d75beb85df954b6279696e3N.exe

  • Size

    134KB

  • Sample

    250322-16ywmawjw2

  • MD5

    5c1382e0170470f80bfffe1b4d554f90

  • SHA1

    1640b17db6aa327a3665d7d4492ca3978e862de4

  • SHA256

    786ef7c2097911d84c31b1e866a6fbe8b7b5034d2d75beb85df954b6279696e3

  • SHA512

    cf280449249fa5ddf8001a25764eb22fae5ff8fe9ce7b0ccc091633b70887abed10b18c7ba3740f2b058cd0cf0316a169a0484b349b849ba4b8141d85460eddf

  • SSDEEP

    3072:xPd4n/M+WLcilrpgGH/GwY87mVmIXarME:xP6/M+WLckOBhVmIqrME

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

      786ef7c2097911d84c31b1e866a6fbe8b7b5034d2d75beb85df954b6279696e3N.exe

    • Size

      134KB

    • MD5

      5c1382e0170470f80bfffe1b4d554f90

    • SHA1

      1640b17db6aa327a3665d7d4492ca3978e862de4

    • SHA256

      786ef7c2097911d84c31b1e866a6fbe8b7b5034d2d75beb85df954b6279696e3

    • SHA512

      cf280449249fa5ddf8001a25764eb22fae5ff8fe9ce7b0ccc091633b70887abed10b18c7ba3740f2b058cd0cf0316a169a0484b349b849ba4b8141d85460eddf

    • SSDEEP

      3072:xPd4n/M+WLcilrpgGH/GwY87mVmIXarME:xP6/M+WLckOBhVmIqrME

    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