Extracted

• • Target

    vcac.exe

  • Size

    24.2MB

  • MD5

    456917c4f5c2843f8dad38d227ecf0c2

  • SHA1

    de949b64553dd28524f6ae722a939541ada85f1f

  • SHA256

    2e724b4185329154ed2e90817cf2cb30e94c31803385d0d77d97a35bedeea057

  • SHA512

    8fe19aec29f4e1112374b6c1ebf354130cde6cf945fda0ba25a765bec1b031b0e3fcfcf7fbffff1d1e0432059bd668f1dc39770bbcef7345a3ddb4bdc69968a7

  • SSDEEP

    98304:IKBbBWIgWljGxRB/LL6vc22SsaNYfdPBldt6+dBcjHVCU688cIyGOk3ta:p4xRBjgB7j4U6gl

  Score

  10^/10

  quasarbootkitdiscoveryevasionexploitpersistencespywaretrojan

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

    trojanspywarequasar

  • Quasar payload

  • Disables Task Manager via registry modification

    evasion

  • Modifies Windows Firewall

    evasion

  • Possible privilege escalation attempt

    exploit

  • Checks computer location settings

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

  • Drops startup file

  • Executes dropped EXE

  • Loads dropped DLL

  • Modifies file permissions

    discovery

  • Adds Run key to start application

    persistence

  • 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