General

  • Target

    INQUIRY#46789-AUG24.js

  • Size

    615KB

  • Sample

    240827-ghfwcsvhlg

  • MD5

    7033a2e8e2361ad4f724d22ad7497367

  • SHA1

    f01c570285cdaff11f776e32a3b0ed2753a598d9

  • SHA256

    99ddcd66d69ad38f056e4084b25a562060ab4f368d1af01bfa07b0c4923034f1

  • SHA512

    f9baa9c3a5997ba4d3024ba88ae8be5f2ba8b87e8176c4b7bf046c9597cde111283168ce98942bf97aeae97fe7e912d7d0afadc3d6e77532253d1927e61a47b5

  • SSDEEP

    12288:ghScyHWGLROIXQrKycPfjTZoZe3UuP69JzRt4aCx5RI3gjY8N/U5woKNA2fGhFXp:hVZOLsWafCUGABS

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://ia601606.us.archive.org/10/items/deathnote_202407/deathnote.jpg

exe.dropper

https://ia601606.us.archive.org/10/items/deathnote_202407/deathnote.jpg

Extracted

Family

remcos

Botnet

AUG

C2

64.188.18.85:4455

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    xlorers.exe

  • copy_folder

    xlorers

  • 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-R2Z38E

  • 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

      INQUIRY#46789-AUG24.js

    • Size

      615KB

    • MD5

      7033a2e8e2361ad4f724d22ad7497367

    • SHA1

      f01c570285cdaff11f776e32a3b0ed2753a598d9

    • SHA256

      99ddcd66d69ad38f056e4084b25a562060ab4f368d1af01bfa07b0c4923034f1

    • SHA512

      f9baa9c3a5997ba4d3024ba88ae8be5f2ba8b87e8176c4b7bf046c9597cde111283168ce98942bf97aeae97fe7e912d7d0afadc3d6e77532253d1927e61a47b5

    • SSDEEP

      12288:ghScyHWGLROIXQrKycPfjTZoZe3UuP69JzRt4aCx5RI3gjY8N/U5woKNA2fGhFXp:hVZOLsWafCUGABS

    • Remcos

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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.

    • Checks computer location settings

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

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks