Overview

overview

10

Static

static

1

Quotation Sheet.rtf

windows7-x64

10

Quotation Sheet.rtf

windows10-2004-x64

1

Sharing

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General

  • Target

    Quotation Sheet.doc

  • Size

    513KB

  • Sample

    250116-h8c3tsynes

  • MD5

    6ebd151b1a37761336dd8e064ed8d365

  • SHA1

    a86119e2cbc335eb1075330b7f20b60dd1263e98

  • SHA256

    d0481cc270efd488b2366bf1273284e5bbcff6d789dbfca69f44326c50891b15

  • SHA512

    d99ace34043d39a820f717fd6fe2e32dc0a878a56d67e53ceffa38c69a46f9d85a49d31dcc330d68d8ce9a70797c54c8b719ef029df5be44aaa455b9236988f6

  • SSDEEP

    6144:zwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAL:LemhR

Score
10/10
remcosremotehostdiscoveryexecutionrat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

www.kposlifestyle.design: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

    edefdefffff

  • mouse_option

    false

  • mutex

    Rmc-OH1QS4

  • 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

      Quotation Sheet.doc

    • Size

      513KB

    • MD5

      6ebd151b1a37761336dd8e064ed8d365

    • SHA1

      a86119e2cbc335eb1075330b7f20b60dd1263e98

    • SHA256

      d0481cc270efd488b2366bf1273284e5bbcff6d789dbfca69f44326c50891b15

    • SHA512

      d99ace34043d39a820f717fd6fe2e32dc0a878a56d67e53ceffa38c69a46f9d85a49d31dcc330d68d8ce9a70797c54c8b719ef029df5be44aaa455b9236988f6

    • SSDEEP

      6144:zwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAL:LemhR

    Score
    10/10
    remcosremotehostdiscoveryexecutionrat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks