Overview

overview

10

Static

static

10

92a4bdc95e...80.exe

windows10-2004-x64

10

92a4bdc95e...80.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    92a4bdc95e0d99200c7e703b2739ffdc1c0dd6b974bd4e97a375ad5a09b1e480.exe
  • Size 3.1MB
  • Sample261011-eyr78adx7n
  • SHA256 92a4bdc95e0d99200c7e703b2739ffdc1c0dd6b974bd4e97a375ad5a09b1e480
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasarghyu.indefense_evasiondiscoveryexecutionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • ghyu.in

C2

  • ghyu.in:443

Mutex

  • eb5e05a5-27fb-4e3d-a84e-332dd9dd6dcb

Attributes
  • encryption_key

    064A791F72F1A9EEE6944D54C0499DCF8FED6648

  • install_name

    svchost.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    https://ghyu.in

  • subdirectory

    SubDir

Targets

    • Target
      92a4bdc95e0d99200c7e703b2739ffdc1c0dd6b974bd4e97a375ad5a09b1e480.exe
    • Size 3.1MB
    • SHA256 92a4bdc95e0d99200c7e703b2739ffdc1c0dd6b974bd4e97a375ad5a09b1e480
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    ghyu.indefense_evasiondiscoveryexecutionquasarpersistencespywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes a file named after a Windows system binary

      The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

      defense_evasion

    • Executes dropped EXE

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks