Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    Client-built.exe
  • Size 3.1MB
  • Sample241013-ed98assblm
  • SHA256 c35a97e48628f0f3d9e8c9bf6883f84ded7b16fe9bf3df26f03c299d251699ba
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • andrewtechsystem-55917.portmap.host:55917

Mutex

  • 05b04543-4b6b-454b-8e43-cdb3e2417697

Attributes
  • encryption_key

    2768FC420BBDB207C1C2BCB0871CA3A838588A4A

  • install_name

    Windows File Explorer.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    explorer.exe

  • subdirectory

    Roaming

Targets

    • Target
      Client-built.exe
    • Size 3.1MB
    • SHA256 c35a97e48628f0f3d9e8c9bf6883f84ded7b16fe9bf3df26f03c299d251699ba
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks