Overview

overview

10

Static

static

1

xd.png

windows10-ltsc 2021-x64

10

Sharing

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General

  • Target

    xd.png

  • Size

    1.3MB

  • Sample

    241123-b766ys1kan

  • MD5

    4e455c84cb6ecca8ee4142754e98ecbf

  • SHA1

    b6ca5e0f9d29d3e8e2c794b6d262a66d5995d4c3

  • SHA256

    41f3c09ef3c8c2c84d99a8ceda329db7deb49289057bd6eb900902cc876f3313

  • SHA512

    b271b094e8dbebe32674bb324e2b6655572063967c76c98933ceb0c5f6cc27635982c389e4855463f43353e258b1dce501de3f05150312046154a8c7ac00de72

  • SSDEEP

    24576:ArLajNhisqUM21DvHun+oz6FkTFHQGubnxFR8/mE0NrmyJB9:ArON0sxMEvHunb+GL0QyJH

Score
10/10
quasaroffice04discoveryspywaretrojan

Malware Config

Extracted

Family

quasar

Attributes
  • reconnect_delay

    5000

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

fcm.googleapis.com:443

Mutex

59328bbb-5585-44c9-b5fe-ee0bb21cb8c9

Attributes
  • encryption_key

    C51EB02ACA42F8853AE88A81382D54F0A32D92EC

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      xd.png

    • Size

      1.3MB

    • MD5

      4e455c84cb6ecca8ee4142754e98ecbf

    • SHA1

      b6ca5e0f9d29d3e8e2c794b6d262a66d5995d4c3

    • SHA256

      41f3c09ef3c8c2c84d99a8ceda329db7deb49289057bd6eb900902cc876f3313

    • SHA512

      b271b094e8dbebe32674bb324e2b6655572063967c76c98933ceb0c5f6cc27635982c389e4855463f43353e258b1dce501de3f05150312046154a8c7ac00de72

    • SSDEEP

      24576:ArLajNhisqUM21DvHun+oz6FkTFHQGubnxFR8/mE0NrmyJB9:ArON0sxMEvHunb+GL0QyJH

    Score
    10/10
    quasaroffice04discoveryspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks