Overview

overview

10

Static

static

3

ed5391fd4d...65.exe

windows7-x64

10

ed5391fd4d...65.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ed5391fd4d979f93106992c27ae240ddd1cdff407c11bcbb5def272901978065

  • Size

    139KB

  • Sample

    240830-e56deswfqh

  • MD5

    59fe5df73a4e6530b74b9c6905057b68

  • SHA1

    1a70fd94ac0f65e9c0a022931cdba47fd49e8060

  • SHA256

    ed5391fd4d979f93106992c27ae240ddd1cdff407c11bcbb5def272901978065

  • SHA512

    c39bcb9359345bffc8df3f400cd4965ee90f67d6fbe1bd4dcc4f17685c21d3758a19e46ab9527a5003f83e2bd7dcd2826eb08d98c21cafb0176c73b7b9f70534

  • SSDEEP

    1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjKt:xPd4n/M+WLcilrpgGH/GwY87mVmIXd

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

      ed5391fd4d979f93106992c27ae240ddd1cdff407c11bcbb5def272901978065

    • Size

      139KB

    • MD5

      59fe5df73a4e6530b74b9c6905057b68

    • SHA1

      1a70fd94ac0f65e9c0a022931cdba47fd49e8060

    • SHA256

      ed5391fd4d979f93106992c27ae240ddd1cdff407c11bcbb5def272901978065

    • SHA512

      c39bcb9359345bffc8df3f400cd4965ee90f67d6fbe1bd4dcc4f17685c21d3758a19e46ab9527a5003f83e2bd7dcd2826eb08d98c21cafb0176c73b7b9f70534

    • SSDEEP

      1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjKt:xPd4n/M+WLcilrpgGH/GwY87mVmIXd

    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