Extracted

• • Target

    yesyes.mp4

  • Size

    1.6MB

  • MD5

    fb71f967bfad4270c68867e890798e9e

  • SHA1

    5b76771d9d130b21ff5a82f46971dd6cbf69e9a4

  • SHA256

    db802de021df4b47e6d591e3084d2448a7e27dabe7705143766403ba9c6890af

  • SHA512

    2ba709d69db99d6f5fba5b62811173eaf2f22d98bb7ee55647aed9912b0bfced231d079a6c123d92ecf07a0a4849bd8ee444409480b71d958d3aaf916926a81f

  • SSDEEP

    24576:6dDEfvlZ0jQqV2lMMJzeEbuVFTLPhqZzGr51vZFwDNyJ:zz0jDVgNCWC/Kov8MJ

  Score

  10^/10

  quasaroffice04discoveryexploitpersistenceprivilege_escalationspywaretrojan

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

    trojanspywarequasar

  • Quasar family

    quasar

  • Quasar payload

  • Drops file in Drivers directory

  • Manipulates Digital Signatures

    Attackers can apply techniques such as modifying certain DLL exports to make their binary seem valid.

  • Modifies RDP port number used by Windows

  • Possible privilege escalation attempt

    exploit

  • Event Triggered Execution: Component Object Model Hijacking

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    persistenceprivilege_escalation

  • Executes dropped EXE

  • Loads dropped DLL

  • Modifies file permissions

    discovery

  • Modifies system executable filetype association

    persistence

  • Adds Run key to start application

    persistence

  • Checks installed software on the system

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery

  • Drops desktop.ini file(s)

  • Enumerates connected drives

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

  • Legitimate hosting services abused for malware hosting/C2

  • Checks system information in the registry

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

  • Drops file in System32 directory

  • Modifies termsrv.dll

    Commonly used to allow simultaneous RDP sessions.

  behavioral1