Extracted

• • Target
    pyunkangyul.us_ransome.exe
  • Size 39KB
  • SHA256 b49cd2327e422fd2d50508b4c44babfd335ac2c75338a4f32040eb91a1c41d00
  • MD5 83949f48324b947ce40931a3a575b878
  • SHA1 bed78a20e2d3ce1ec861f149f93260c5ae97a74a
  • SHA512 67b2b5ab5a8cbbd8b62089a1eea30d9f5a8d9042493c8cbe6037fe28b885379278c77109907995cd02766b1edfc05327b447230d815844de90cc17fe4795a48a
  • SSDEEP 768:+I0wRY4T7fqdT2fWlF0kWiLeOmoIU9vHXdEEusXqKhbayzY:2wR17vfWlWnamoIU9v3df9XqibI
  • TLSH
    T13803E84433FD8628E1FF6ABB5D7182008775F4979D23DB0D0AD5448E1AB3B448AD9B93
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  10^/10

  defense_evasiondiscoveryexecutionnanocoreimpactkeyloggerpersistenceprivilege_escalationransomwarespywarestealertrojan

  • Family: NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

    keyloggertrojanstealerspywarenanocore

  • Deletes shadow copies

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution

  • Grants admin privileges

    Uses net.exe to modify the user's privileges.

  • Disables one or more Microsoft Defender components

    Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

    defense_evasion

  • Modifies Windows Firewall

    defense_evasion

  • Checks computer location settings

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

  • Creates a file in the Startup directory

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    persistenceprivilege_escalation

  • Stops running service(s)

    defense_evasionexecution

  • Adds Run key to start application

    persistence

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    execution

  • Creates a new local user account

    Uses net.exe to create a new local user account, often for persistence or a backdoor account.

    persistence
  behavioral1behavioral2