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

    240720-gfqmsayenj

  • MD5

    8ab4c5f5caede18056fc1c0574d3217c

  • SHA1

    b0f5340184e1224a37a36a8cdc7bc0d0cbe07395

  • SHA256

    f99ecbd9f26048dbb962f1711199e5f5d00ac8bbd87f539dd5a99631a15fadba

  • SHA512

    d520d1a1cb442d53bbc9cdaa96a72df734bc4771259a744a29ef3531d7eb6b424f1b26d7ddc1431511b68347570355a4b111263107367e5b8ff0760935a2b20e

  • SSDEEP

    49152:KvbI22SsaNYfdPBldt698dBcjHmeDkE2HFk/+FboGdjITHHB72eh2NT:Kvk22SsaNYfdPBldt6+dBcjHmeDaR

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

tr3.localto.net:6065

Mutex

2b7e3e35-d40f-4d91-a854-3ffb74bfcf33

Attributes
  • encryption_key

    D9FCC19BA887FD0DEACFFBD717CA43C34342AFBA

  • 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

      8ab4c5f5caede18056fc1c0574d3217c

    • SHA1

      b0f5340184e1224a37a36a8cdc7bc0d0cbe07395

    • SHA256

      f99ecbd9f26048dbb962f1711199e5f5d00ac8bbd87f539dd5a99631a15fadba

    • SHA512

      d520d1a1cb442d53bbc9cdaa96a72df734bc4771259a744a29ef3531d7eb6b424f1b26d7ddc1431511b68347570355a4b111263107367e5b8ff0760935a2b20e

    • SSDEEP

      49152:KvbI22SsaNYfdPBldt698dBcjHmeDkE2HFk/+FboGdjITHHB72eh2NT:Kvk22SsaNYfdPBldt6+dBcjHmeDaR

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Checks computer location settings

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks