Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    241216-hgcb8azndm

  • MD5

    f9fd797dbef56a3900d2fe9d0a6e2e86

  • SHA1

    c5d002cc63bd21fa35fdad428ca4c909f34c4309

  • SHA256

    b2de1e13497b1864e100fea605fa1136adc6f782b1dea5f6fe5f11656b098c0e

  • SHA512

    c4d170855397e2e62d754883b2caab00d14f58787463924141d2077997ee03b25cd752565354c1c4cbace637cf1c053c45a162d0b61b31caa73f1ec70b998ce1

  • SSDEEP

    49152:ivkt62XlaSFNWPjljiFa2RoUYIobRJ6MbR3LoGdNwhTHHB72eh2NT:iv462XlaSFNWPjljiFXRoUYIobRJ6WK

Score
10/10
quasaroffice04discoveryspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

biseo-48321.portmap.host:48321

Mutex

cb74f432-50f1-4947-8163-7687a0292fb0

Attributes
  • encryption_key

    D1BBEF3C04D88FE8F97EE2745041632CE9C760EE

  • install_name

    Svchost.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Svchost

  • subdirectory

    Svchost

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      f9fd797dbef56a3900d2fe9d0a6e2e86

    • SHA1

      c5d002cc63bd21fa35fdad428ca4c909f34c4309

    • SHA256

      b2de1e13497b1864e100fea605fa1136adc6f782b1dea5f6fe5f11656b098c0e

    • SHA512

      c4d170855397e2e62d754883b2caab00d14f58787463924141d2077997ee03b25cd752565354c1c4cbace637cf1c053c45a162d0b61b31caa73f1ec70b998ce1

    • SSDEEP

      49152:ivkt62XlaSFNWPjljiFa2RoUYIobRJ6MbR3LoGdNwhTHHB72eh2NT:iv462XlaSFNWPjljiFXRoUYIobRJ6WK

    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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks