Overview

overview

10

Static

static

10

Client-built.exe

windows10-ltsc 2021-x64

10

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    250125-vtsaesvjbn

  • MD5

    43ba56942448efaf6200c561be3aa4cd

  • SHA1

    26a8f505a3e1aee989c56b35cef729fc77b1c028

  • SHA256

    629d5525bebd5ed6d37a8c75e3c326647f9f8d5420e5b0a43dfade7563cc4024

  • SHA512

    59e0b28de0ca1d67a3654e84235222ab64f5a9f4818db32c5ee51e2270a2a9c954f64d4714a8040ada194c04a36d8ba6fa8d55296e297160cdc1e9f3fe976dfe

  • SSDEEP

    49152:6vsG42pda6D+/PjlLOlg6yQipV9fBtIBxwMoGdaYTHHB72eh2NT:6v342pda6D+/PjlLOlZyQipVLtg

Score
10/10
quasaroffice04discoveryspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.178.56:4782

tcp://5.tcp.eu.ngrok.io:13134:7771
Mutex

0552115c-2459-453f-980d-c60aebb9957e

Attributes
  • encryption_key

    1DEED326568BA39A5A6D6473414A146E2A7F5724

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      43ba56942448efaf6200c561be3aa4cd

    • SHA1

      26a8f505a3e1aee989c56b35cef729fc77b1c028

    • SHA256

      629d5525bebd5ed6d37a8c75e3c326647f9f8d5420e5b0a43dfade7563cc4024

    • SHA512

      59e0b28de0ca1d67a3654e84235222ab64f5a9f4818db32c5ee51e2270a2a9c954f64d4714a8040ada194c04a36d8ba6fa8d55296e297160cdc1e9f3fe976dfe

    • SSDEEP

      49152:6vsG42pda6D+/PjlLOlg6yQipV9fBtIBxwMoGdaYTHHB72eh2NT:6v342pda6D+/PjlLOlZyQipVLtg

    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