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Overview

overview

10

Static

static

1

seemybestt...at.hta

windows7-x64

10

seemybestt...at.hta

windows10-2004-x64

10

Sharing

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General

  • Target

    seemybesttimeforgivenmebestthingswithentiretimeforgivenmegreat.hta

  • Size

    207KB

  • Sample

    241112-lpp5tsynbz

  • MD5

    a9cf15c4f82d5c26f48f4a16dfe7bd1a

  • SHA1

    f7f0b669264b0a42b290cb5476e21ffa51eebf34

  • SHA256

    ff98902753abefb76884fc6fa5fa34f389b215ad9a447bf434624f097f12ad57

  • SHA512

    5a5f5e6d18a776646328ce85e59f12424f1fb8c2612d1299db7bc378177be369bb6e391488b02d40a682c37857bcf0576d415534c5aba4796f46c39ea5b21d2c

  • SSDEEP

    48:4FhWsTR/F7gNqXfkz0eZC0yZhboWWCRzESPUJ0cv5p299DdCf+xuj9AoapwSI0t7:43F97AIyCRRtnu4fAf+cZAoaDna8YQ

Score
10/10
remcosremotehostcollectiondefense_evasiondiscoveryexecutionrat

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f

exe.dropper

https://1017.filemail.com/api/file/get?filekey=2Aa_bWo9Reu45t7BU1kVgsd9pT9pgSSlvStGrnTICfFhmTKj3LC6SQtIcOc_T35w&pk_vid=fd4f614bb209c62c1730945176a0904f

Extracted

Family

remcos

Botnet

RemoteHost

C2

wayo.duckdns.org:6847

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-Z90JT3

  • 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

      seemybesttimeforgivenmebestthingswithentiretimeforgivenmegreat.hta

    • Size

      207KB

    • MD5

      a9cf15c4f82d5c26f48f4a16dfe7bd1a

    • SHA1

      f7f0b669264b0a42b290cb5476e21ffa51eebf34

    • SHA256

      ff98902753abefb76884fc6fa5fa34f389b215ad9a447bf434624f097f12ad57

    • SHA512

      5a5f5e6d18a776646328ce85e59f12424f1fb8c2612d1299db7bc378177be369bb6e391488b02d40a682c37857bcf0576d415534c5aba4796f46c39ea5b21d2c

    • SSDEEP

      48:4FhWsTR/F7gNqXfkz0eZC0yZhboWWCRzESPUJ0cv5p299DdCf+xuj9AoapwSI0t7:43F97AIyCRRtnu4fAf+cZAoaDna8YQ

    Score
    10/10
    defense_evasiondiscoveryexecutionremcosremotehostcollectionrat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Evasion via Device Credential Deployment

      defense_evasionexecution

    • Checks computer location settings

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

    • Accesses Microsoft Outlook accounts

      collection

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks