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

    250208-dzykyssnbt

  • MD5

    e86fb7102e34f936aa128fa8e1c8204b

  • SHA1

    c7fc6d96da627bee860e022c5ae93795835422ef

  • SHA256

    685c721b920861aa69eef6902155b3b84ff3a85e7dc4a0388965f8966989b04a

  • SHA512

    a733d3f845bdc7c032c4102a86907aa7f5bd25901c16d760ef2a565650060c639a670ce04c5fedbc0c8a18311afec882bf7b0c5e4697f8144325e516fde29f90

  • SSDEEP

    49152:PvyI22SsaNYfdPBldt698dBcjHtfRJ6/bR3LoGdilmTHHB72eh2NT:Pvf22SsaNYfdPBldt6+dBcjHtfRJ6Ry

Score
10/10
quasaroffice04discoveryspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

98.218.3.74:4782

Mutex

3808ff71-c2df-4538-8d66-6459677347c3

Attributes
  • encryption_key

    24BCF759F51AE66E5C4BF0A521BA79747D6F977F

  • 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

      e86fb7102e34f936aa128fa8e1c8204b

    • SHA1

      c7fc6d96da627bee860e022c5ae93795835422ef

    • SHA256

      685c721b920861aa69eef6902155b3b84ff3a85e7dc4a0388965f8966989b04a

    • SHA512

      a733d3f845bdc7c032c4102a86907aa7f5bd25901c16d760ef2a565650060c639a670ce04c5fedbc0c8a18311afec882bf7b0c5e4697f8144325e516fde29f90

    • SSDEEP

      49152:PvyI22SsaNYfdPBldt698dBcjHtfRJ6/bR3LoGdilmTHHB72eh2NT:Pvf22SsaNYfdPBldt6+dBcjHtfRJ6Ry

    Score
    10/10
    quasaroffice04spywaretrojandiscovery

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks