Overview

overview

10

Static

static

3

edc42c5e0e...9f.exe

windows7-x64

8

edc42c5e0e...9f.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    edc42c5e0e81b4e0598f17cf43ad139e934e32e2538c97811e3b995fa139199f.exe

  • Size

    776KB

  • Sample

    241211-eastvavnet

  • MD5

    19c071ae3e499df299092283e301b7a2

  • SHA1

    711e76279688465f62fd3de93ba05328393439cd

  • SHA256

    edc42c5e0e81b4e0598f17cf43ad139e934e32e2538c97811e3b995fa139199f

  • SHA512

    7b59e6918084d752e73b329e0ba201c65177bbe5239ab725d6906823b3bdf3d7299c0f6517312ca7f54a1acc5fefadf1f2e8551cd511f38cea3b889c8a1ba187

  • SSDEEP

    24576:UXqzrTlCjH1awESBysQiaQtrxE0lmB4QT31V1how/:WKcj8SnQiaQU0lmB4S3H1H

Score
10/10
remcosremotehostcollectiondiscoveryexecutionrat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

212.162.149.91:2404

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-HSAM04

  • 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

      edc42c5e0e81b4e0598f17cf43ad139e934e32e2538c97811e3b995fa139199f.exe

    • Size

      776KB

    • MD5

      19c071ae3e499df299092283e301b7a2

    • SHA1

      711e76279688465f62fd3de93ba05328393439cd

    • SHA256

      edc42c5e0e81b4e0598f17cf43ad139e934e32e2538c97811e3b995fa139199f

    • SHA512

      7b59e6918084d752e73b329e0ba201c65177bbe5239ab725d6906823b3bdf3d7299c0f6517312ca7f54a1acc5fefadf1f2e8551cd511f38cea3b889c8a1ba187

    • SSDEEP

      24576:UXqzrTlCjH1awESBysQiaQtrxE0lmB4QT31V1how/:WKcj8SnQiaQU0lmB4S3H1H

    Score
    10/10
    discoveryexecutionremcosremotehostcollectionrat

    • 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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Accesses Microsoft Outlook accounts

      collection

    • Blocklisted process makes network request

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks