Overview

overview

10

Static

static

10

Client-built4.exe

windows7-x64

10

Client-built4.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    Client-built4.exe
  • Size 3.1MB
  • Sample241011-vqak7stdkc
  • SHA256 c78371ce6ad6b68c1ef504026ebbd1bde07866c0ebecda7a8d459b83db3e1303
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • misterzeee-21127.portmap.host:4782

Mutex

  • c6524c93-499e-4361-8743-d4e8717b52c1

Attributes
  • encryption_key

    CE5FBAC1A56C8C780C74FE8E7CD5CBCF8ABD6C8D

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Startup

  • subdirectory

    SubDir

Targets

    • Target
      Client-built4.exe
    • Size 3.1MB
    • SHA256 c78371ce6ad6b68c1ef504026ebbd1bde07866c0ebecda7a8d459b83db3e1303
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasaroffice04spywaretrojan

    • 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