Overview

overview

10

Static

static

3

fc640a0cb5...0N.exe

windows7-x64

10

fc640a0cb5...0N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fc640a0cb5f5f15da905fd63b6971fe0N.exe

  • Size

    139KB

  • Sample

    240817-rg5hfazbqg

  • MD5

    fc640a0cb5f5f15da905fd63b6971fe0

  • SHA1

    a86aed0b14fa70106045cb6ead2ac55821ec86a9

  • SHA256

    91baa78314206a19bf1224b895488a6241b06f856e8d98113458c17842e78540

  • SHA512

    10e49658858aad38aef0479530096b855de50c67baa7db1c05e2c402a67d5b3af836319b3bdac1b325154e722943f3266aa620168c05f6e326f6fbe38d92c8a9

  • SSDEEP

    1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjKB:xPd4n/M+WLcilrpgGH/GwY87mVmIXx

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

      fc640a0cb5f5f15da905fd63b6971fe0N.exe

    • Size

      139KB

    • MD5

      fc640a0cb5f5f15da905fd63b6971fe0

    • SHA1

      a86aed0b14fa70106045cb6ead2ac55821ec86a9

    • SHA256

      91baa78314206a19bf1224b895488a6241b06f856e8d98113458c17842e78540

    • SHA512

      10e49658858aad38aef0479530096b855de50c67baa7db1c05e2c402a67d5b3af836319b3bdac1b325154e722943f3266aa620168c05f6e326f6fbe38d92c8a9

    • SSDEEP

      1536:ITHiPBX4nDzMyRXGHrc9YRHqbTypgpmb5Q+ZReSdhk/J+YLgD3mrxb53cSuYQjKB:xPd4n/M+WLcilrpgGH/GwY87mVmIXx

    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