Overview

overview

10

Static

static

10

Client-built.exe

windows10-ltsc 2021-x64

10

Resubmissions

27-12-2024 08:03

241227-jxp4patlbl 10

27-12-2024 08:02

241227-jxfj9atlbk 10

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    241227-jxfj9atlbk

  • MD5

    c0a15477ed759cacb6e41c32df4ee3b6

  • SHA1

    1105f1a6da7fc5286fc6bbf3bb09b0640c390475

  • SHA256

    40b1e1519d9240e23b0052b13f30cac24db6c23814fb91ec3c151f6e8a477858

  • SHA512

    595c423778602e61e37ba19761c43d6b333357113e31c50cc0947336a122cf3499e2924af3dc523e57df79fd0be435e61286f9c255630d95b56adc15735e6bfa

  • SSDEEP

    49152:WvEt62XlaSFNWPjljiFa2RoUYI4bRJ6rbR3LoGdDNTHHB72eh2NT:WvY62XlaSFNWPjljiFXRoUYI4bRJ69T

Score
10/10
quasaroffice04discoveryspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

Ljqzskib:4782

Mutex

6d2bad0c-8668-4007-b0ab-432a32c2b700

Attributes
  • encryption_key

    EBBC63CA357CC42C1ADBEA1947460FC46B646E71

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    file explorer start up

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      c0a15477ed759cacb6e41c32df4ee3b6

    • SHA1

      1105f1a6da7fc5286fc6bbf3bb09b0640c390475

    • SHA256

      40b1e1519d9240e23b0052b13f30cac24db6c23814fb91ec3c151f6e8a477858

    • SHA512

      595c423778602e61e37ba19761c43d6b333357113e31c50cc0947336a122cf3499e2924af3dc523e57df79fd0be435e61286f9c255630d95b56adc15735e6bfa

    • SSDEEP

      49152:WvEt62XlaSFNWPjljiFa2RoUYI4bRJ6rbR3LoGdDNTHHB72eh2NT:WvY62XlaSFNWPjljiFXRoUYI4bRJ69T

    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

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks