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-ejh11avqcr

  • MD5

    bee705cc59266d8ab855c591599b0f09

  • SHA1

    cb2ab1afc9bee0d41786559505abb7220b7f83c8

  • SHA256

    28a1b5a0e4840bd853d1a9e8f4a48f36af3fd4f38c5cb8273a5fb3df67afcb04

  • SHA512

    6971cb2c3ee9efad0e14b162a074b10820a3d0e49f27aeead26302b3e74413033512eb502447b39f0e5776f21c72b8feacd0d0035fefcdbfab72a805eb7d423b

  • SSDEEP

    49152:rvyI22SsaNYfdPBldt698dBcjHctflEmLek/znLVGdn7FTHHB72eh2NT:rvf22SsaNYfdPBldt6+dBcjHctfhLA7

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

      bee705cc59266d8ab855c591599b0f09

    • SHA1

      cb2ab1afc9bee0d41786559505abb7220b7f83c8

    • SHA256

      28a1b5a0e4840bd853d1a9e8f4a48f36af3fd4f38c5cb8273a5fb3df67afcb04

    • SHA512

      6971cb2c3ee9efad0e14b162a074b10820a3d0e49f27aeead26302b3e74413033512eb502447b39f0e5776f21c72b8feacd0d0035fefcdbfab72a805eb7d423b

    • SSDEEP

      49152:rvyI22SsaNYfdPBldt698dBcjHctflEmLek/znLVGdn7FTHHB72eh2NT:rvf22SsaNYfdPBldt6+dBcjHctfhLA7

    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