Overview

overview

10

Static

static

10

Client-built.exe

windows10-2004-x64

10

Client-built.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    Client-built.exe
  • Size 3.2MB
  • Sample250511-ctk71awjs7
  • SHA256 4bd736e9b854135e6c3f7f26d8666f7c227dfa111848ecf7ff769373cddeefd2
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasarthanhspywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Thanh

C2

  • 192.168.1.12:4782

  • Huy1612-24727.portmap.io:24727

Mutex

  • d25883e4-22c3-4359-a963-432e70729185

Attributes
  • encryption_key

    D47A3BFB603AC05E18027C5EFBB8D5663AB6949C

  • install_name

    Antimalware Service Executable.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Antimalware Service Executable

  • subdirectory

    SubDir

Targets

    • Target
      Client-built.exe
    • Size 3.2MB
    • SHA256 4bd736e9b854135e6c3f7f26d8666f7c227dfa111848ecf7ff769373cddeefd2
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasarthanhspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks