Overview

overview

10

Static

static

10

Client-built.exe

windows10-2004-x64

10

Client-built.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    Client-built.exe
  • Size 3.1MB
  • Sample260916-cgrt1svdlf
  • SHA256 c942848d67d5a09c9b125ae5ad923303535ff2a269ba2034f9347014c849568d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • x88mi.com:443

  • www.x88mi.com:443

  • x88mi.com:80

  • www.x88mi.com:80

  • www.ao88mi.com:443

  • ao88mi.com:443

  • www.ao88mi.com:80

  • ao88mi.com:80

  • www.kuy88.xyz:80

  • kuy88.xyz:80

Mutex

  • 20ba99d2-1ee6-4390-8659-98fb45299cc2

Attributes
  • encryption_key

    B0D881BBD5D7A35DA4AD369AB33EA64F85982C06

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      Client-built.exe
    • Size 3.1MB
    • SHA256 c942848d67d5a09c9b125ae5ad923303535ff2a269ba2034f9347014c849568d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    office04quasarspywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks