Extracted

• • Target
    24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999.exe
  • Size 5.4MB
  • SHA256 24bbfa8d70a5d5e74791b0af93c77802df7e965b14b0649aaec2ab8dd0e0c999
  • MD5 dd2c5095b1d6590197ed2432837655f0
  • SHA1 d287bb38f83941199fa66d7420b6f8cff2257a16
  • SHA512 24d7f1b61f07060f7723a306d46b1d82ca1b54a93770bfb783b83f613edb9a412f929a40c396fda5b6b3402ca37531f53ce1d42524623a6ce1cfee61e726e283
  • SSDEEP 98304:zHTFcsxxcsx30XgnNvfSDRyhoVi8rhh+xX/r:zHOgn0DRy2oR/r
  • MD5 SHA1 SHA512 SSDEEP

  Score

  10^/10

  quasardefense_evasiondiscoveryexecutionspywaretrojanbootkitpersistence

  • Modifies security service

    defense_evasion

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

    trojanspywarequasar

  • Quasar family

    quasar

  • Quasar payload

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • 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.

  • Indicator Removal: Clear Windows Event Logs

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

    defense_evasion

  • 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

  • Suspicious use of SetThreadContext

  behavioral1behavioral2