Overview

overview

10

Static

static

3

b242dea1f8...66.exe

windows7-x64

10

b242dea1f8...66.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b242dea1f8658786e7989e8a2ecb65e652167b3077fd9ecd20642e9917adc666

  • Size

    1.2MB

  • Sample

    240828-c8fwtstdpp

  • MD5

    68306ab0d9af78095917a7d3a71cb955

  • SHA1

    e83aba5a90e4f3033661848ebbc5bfc9776306d0

  • SHA256

    b242dea1f8658786e7989e8a2ecb65e652167b3077fd9ecd20642e9917adc666

  • SHA512

    f084db81e15d8587f2cd97af544de9bab65cd5318e4fff29d636ea291286525f3cd5ef26f197b16ee12e4f8a357db50d2e7588c6fbc8a35aa3d6604897094511

  • SSDEEP

    24576:DBkVdlYAQpTFVWzKAqgzVDvwbwLnLNz567iJVG6zgy:lsvIWzigzVDzhJj9gy

Score
10/10
remcosremotehost12discoveryexecutionrat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost12

C2

rem24251mr.duckdns.org:24251

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-P0KZ2Q

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      b242dea1f8658786e7989e8a2ecb65e652167b3077fd9ecd20642e9917adc666

    • Size

      1.2MB

    • MD5

      68306ab0d9af78095917a7d3a71cb955

    • SHA1

      e83aba5a90e4f3033661848ebbc5bfc9776306d0

    • SHA256

      b242dea1f8658786e7989e8a2ecb65e652167b3077fd9ecd20642e9917adc666

    • SHA512

      f084db81e15d8587f2cd97af544de9bab65cd5318e4fff29d636ea291286525f3cd5ef26f197b16ee12e4f8a357db50d2e7588c6fbc8a35aa3d6604897094511

    • SSDEEP

      24576:DBkVdlYAQpTFVWzKAqgzVDvwbwLnLNz567iJVG6zgy:lsvIWzigzVDzhJj9gy

    Score
    10/10
    remcosremotehost12discoveryexecutionrat

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

      ratremcos

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks