Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    250208-rfb5hazqfq

  • MD5

    7908b95d1a5b8eb440ad07e27c005a0b

  • SHA1

    a4d3c6ed420e8e09f73987b584ca0c514c8f76f5

  • SHA256

    2f35eba6e1984f0a636a49d075055e14dd448b90d3b7149a6971629b783be5d4

  • SHA512

    e57ea622c792a3b20ecc00120c9f156048c52e883afe4d39311455114d2016c59e160dce40e0f132fcd31e67487ef1817243abea44cc068aed2a307564c15812

  • SSDEEP

    49152:CvyI22SsaNYfdPBldt698dBcjHONcWKwSoGd4THHB72eh2NT:Cvf22SsaNYfdPBldt6+dBcjHONcWKh

Score
10/10
quasaroffice04discoveryspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.1.3:4782

Mutex

96a4cd4c-9bbc-4b4b-aadd-f1b24f6b17ae

Attributes
  • encryption_key

    701C056B6B6E6B8BE1024245339AC4FAA02875CB

  • 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

      7908b95d1a5b8eb440ad07e27c005a0b

    • SHA1

      a4d3c6ed420e8e09f73987b584ca0c514c8f76f5

    • SHA256

      2f35eba6e1984f0a636a49d075055e14dd448b90d3b7149a6971629b783be5d4

    • SHA512

      e57ea622c792a3b20ecc00120c9f156048c52e883afe4d39311455114d2016c59e160dce40e0f132fcd31e67487ef1817243abea44cc068aed2a307564c15812

    • SSDEEP

      49152:CvyI22SsaNYfdPBldt698dBcjHONcWKwSoGd4THHB72eh2NT:Cvf22SsaNYfdPBldt6+dBcjHONcWKh

    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