Extracted

Extracted

• • Target

    BootkitBuilded.exe

  • Size

    2.0MB

  • MD5

    99b124439bde7f750accb3a558644341

  • SHA1

    09e26808c12e4d0508a7387b6ff59a745889568e

  • SHA256

    bc3281aba1987ec4b1d4d68e99c8b6829d4fd54477db001bf331971b72789195

  • SHA512

    9c01de8d170de66471aa37ab47bf3817580e152e82879523771a875be114a95b33a33b35d8ab512dea4a68568a8ef635c29f34a33cffb283ed422b4e29562cdf

  • SSDEEP

    49152:PevRj2WXGkpogEPw0GuUUKqCMnFe3FSgEEEbJ:PEZLXz70G0AIKNS

  Score

  10^/10

  orcusquasarbootkitdefense_evasiondiscoveryexecutionpersistenceratspywarestealertrojan

  • Orcus

    Orcus is a Remote Access Trojan that is being sold on underground forums.

    ratspywarestealerorcus

  • Orcus family

    orcus

  • Orcus main payload

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

    trojanspywarequasar

  • Quasar family

    quasar

  • Quasar payload

  • Orcurs Rat Executable

  • Sets service image path in registry

    persistence

  • Checks BIOS information in registry

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

  • Checks computer location settings

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

  • Executes dropped EXE

  • Indicator Removal: Clear Windows Event Logs

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

    defense_evasion

  • Adds Run key to start application

    persistence

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    execution

  • 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

  behavioral1behavioral2