Extracted

• • Target
    crbn.io_ransome.exe
  • Size 39KB
  • SHA256 7f83a10ef0db1885ecd538c4ac9461bd3cafff30101b961eed5fd9818d191351
  • MD5 757f265e2466b8954f38c0fe8a7da86f
  • SHA1 e2bc6c1ff694ef43e45fb42255fffc682b638dd6
  • SHA512 1561fdaf13410e7a2c0b6d00230299da86e9ba77689cf66974718990d0d39e2e49aa5ae16cd57f849e2cfdaccf5b5bb5eada0416030985b4c2c49ab0c2ddb3bf
  • SSDEEP 768:j0rxIjOIXz6qFQchJMIUhc+PQWWadmoIQ9DHpdEEusXqKh9ayzt:ixIjHzb8IoflmoIQ9DJdf9Xqi9d
  • TLSH
    T12C03E84437FD8628E1BF6ABB4D7282008774F8979D13D70D0ED5849E1AB3B4489D9B93
  • 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