Overview

overview

10

Static

static

10

Client-abuilt.exe

windows7-x64

10

Client-abuilt.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    Client-abuilt.exe
  • Size 3.3MB
  • Sample240330-dvs5nsgf47
  • SHA256 b2ebc3a634719e1727dcae13f9a4f5df3d89b89718cfd0b2886a971a08b55e77
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice01spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office01

C2

  • 198.7.62.204:4782

  • 192.168.1.1:4782

Mutex

  • 02b9c972-8b55-4d55-b7c4-09a1f00ff400

Attributes
  • encryption_key

    5BF0703F288C43118835CAF4D1A6879C29016FB3

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      Client-abuilt.exe
    • Size 3.3MB
    • SHA256 b2ebc3a634719e1727dcae13f9a4f5df3d89b89718cfd0b2886a971a08b55e77
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasaroffice01spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks