Extracted

• • Target
    workrex.io_ransome.exe
  • Size 39KB
  • SHA256 641ce080906fa4360572a1a9c06e5b7c56c541f75f663d774c5ae377b027b901
  • MD5 e777d79f02e5aa3855307cbf23a85fb3
  • SHA1 8d524e6ab30d259f35fbbb731c25147d43fa7415
  • SHA512 7d340ba4d279e76502882d7d2facbe7ce8e8cad1ea546a3a1966096a6ecf5fced200d6a1d2f7dbb6ffe09533c4e998ecdad5be71b9294849188612d0b0646a71
  • SSDEEP 768:844wJAIT70qNSAABfXkXmoI/9wHqdEEusXqKhRayzU:gwJd7l2UXmoI/9wKdf9XqiRE
  • TLSH
    T10703E84437FD8628E1BF6BBB4D7282008775F8978D13D70D0ED5849E1A73B448AA9B93
  • 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