Extracted

• • Target
    greatroc.tw_ransome.exe
  • Size 39KB
  • SHA256 5b004a79070cb5b5ed957c0305e6995add7f497585c8ddc7fcd8571a33d13215
  • MD5 c467a341f1998392222ef0ce32b4a5a9
  • SHA1 fab010febaeb999f0bed7be1e10afbd59b37a191
  • SHA512 f1d584e6ba72e482775e2cee78a4931d9d5d5eacef03b3e52c8522bcd1816708450db05631c1ecb3f42335b33c37449ccf6e7d2a8adba526e435e28afdf7a29e
  • SSDEEP 768:MEfUYnmYHTiqFmqMcgVMfIxf0lmoIt9sHMdEEusXqKhXayzk:oYnPTFMdMAulmoIt9ssdf9XqiX0
  • TLSH
    T1C703E74437FD8628E1BF6BB74D7282008775F8978D23DB0D0ED1849E1A73B449A99B93
  • 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

  • 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