Extracted

• • Target

    NLFix.bat

  • Size

    7.3MB

  • MD5

    398c1f578d2d3a043041299f023603b8

  • SHA1

    2416a7340c1bc2313d0c1a446e6bf6c70c673181

  • SHA256

    9d180dd0b5067c595c8c4c94e9a3098fb62ab8d0fe9ab451a32fcd4f6e3b6bdf

  • SHA512

    0a011639ae0c73c9ad335bccef27e8fecdb44c5a33bb136de2136801b9f319fa597ba2f6dd8a5f45b963703fdd26541938190630da0e45ec47a3571178ce6041

  • SSDEEP

    49152:jfpqzii39LrgimomcMzBV6FJ6BFN1rBW7BIVGJ0FnyqcYkThNjQsItYBHIlDpPOQ:L

  Score

  10^/10

  executionquasarbootkitdefense_evasionpersistencespywaretrojan

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

    trojanspywarequasar

  • Quasar family

    quasar

  • Quasar payload

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • Blocklisted process makes network request

  • Command and Scripting Interpreter: PowerShell

    Run Powershell and hide display window.

    execution

  • Sets service image path in registry

    persistence

  • Checks BIOS information in registry

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE

  • Indicator Removal: Clear Windows Event Logs

    Clear Windows Event Logs to hide the activity of an intrusion.

    defense_evasion

  • Enumerates connected drives

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR)

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence

  • Drops file in System32 directory

  • Suspicious use of SetThreadContext

  behavioral1behavioral2