Overview

overview

10

Static

static

10

liberium executor.exe

windows10-2004-x64

10

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General

  • Target

    liberium executor.exe

  • Size

    3.1MB

  • Sample

    241201-1ccrasxmfq

  • MD5

    a83c74ddda692ff3e4279ef4d1e1ab6b

  • SHA1

    f807912389ed16a9d7ac3e3e7b73282658c6ecf0

  • SHA256

    46136025a4d84640710a3c3ab05588b2ff288c7294ea3d855061b67609839cf6

  • SHA512

    70b79b90362b50fa52762554161f962535aff171f4cf3147afb960b5aba302cc8d969eb2168f331653b114b4199201be4ef5cd3bb97c67547708e2622e72874b

  • SSDEEP

    49152:Svdt62XlaSFNWPjljiFa2RoUYIsSDsKdpvVoGdqTHHB72eh2NT:Svf62XlaSFNWPjljiFXRoUYIsCsE

Score
10/10
quasaroffice04discoveryphishingspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.0.0.0.1:4782

Mutex

92adbb05-a27e-42e8-b9a2-c260d01e742b

Attributes
  • encryption_key

    46B4B3697EBEA35C7930856CF4E60FB52D50DE37

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    executor

  • subdirectory

    SubDir

Targets

    • Target

      liberium executor.exe

    • Size

      3.1MB

    • MD5

      a83c74ddda692ff3e4279ef4d1e1ab6b

    • SHA1

      f807912389ed16a9d7ac3e3e7b73282658c6ecf0

    • SHA256

      46136025a4d84640710a3c3ab05588b2ff288c7294ea3d855061b67609839cf6

    • SHA512

      70b79b90362b50fa52762554161f962535aff171f4cf3147afb960b5aba302cc8d969eb2168f331653b114b4199201be4ef5cd3bb97c67547708e2622e72874b

    • SSDEEP

      49152:Svdt62XlaSFNWPjljiFa2RoUYIsSDsKdpvVoGdqTHHB72eh2NT:Svf62XlaSFNWPjljiFXRoUYIsCsE

    Score
    10/10
    quasaroffice04discoveryphishingspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • A potential corporate email address has been identified in the URL: 6633dd5dcff475e6fb744426_&@2x.png

      phishing

    • 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