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

    3.1MB

  • Sample

    250420-p32mkavzez

  • MD5

    da6777d48b7b3c6687ac0d91a8306a85

  • SHA1

    ea1e9305c2131c19ba475cabbfff6222f8d81c29

  • SHA256

    720baa82d1885d2cf6338413d10658192fd6ba861a8d0f4dcc42501af9782f7a

  • SHA512

    31262d51f78b8643cc1bfc5e5a2098ce5b6c8a68644999b8dc99944e92707c9a27f8c62dbe17eff01ef7b19a41a84dd125a4d783246a7ef15383a667cc03295f

  • SSDEEP

    49152:2vht62XlaSFNWPjljiFa2RoUYIGT/5h8arNqoGdkHTHHB72eh2NT:2vL62XlaSFNWPjljiFXRoUYIKxha

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.1.117:443

Mutex

a7074e5e-ed13-4240-b2bd-3139cf111cf4

Attributes
  • encryption_key

    B1A93851F2B7AB11E1C412D6A94DD30CC9FC53BD

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    java update

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      da6777d48b7b3c6687ac0d91a8306a85

    • SHA1

      ea1e9305c2131c19ba475cabbfff6222f8d81c29

    • SHA256

      720baa82d1885d2cf6338413d10658192fd6ba861a8d0f4dcc42501af9782f7a

    • SHA512

      31262d51f78b8643cc1bfc5e5a2098ce5b6c8a68644999b8dc99944e92707c9a27f8c62dbe17eff01ef7b19a41a84dd125a4d783246a7ef15383a667cc03295f

    • SSDEEP

      49152:2vht62XlaSFNWPjljiFa2RoUYIGT/5h8arNqoGdkHTHHB72eh2NT:2vL62XlaSFNWPjljiFXRoUYIKxha

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks