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

    241013-1m318szgpa

  • MD5

    7bb67714c33aa3dc9fe346b859d3ffd8

  • SHA1

    686b76ded3573663ad629ce10ff3e8afa3545b07

  • SHA256

    723d899faef9b66d299b81d62e4962ce9168d4df373ef25ea0cd95fd59a2fa70

  • SHA512

    33872042221e5e339703c07252f66e7329eec2fcbbc03f52d78dae4d14229a6982856ef1f3a96ee0722aa3d69a24f30a4e29143f84de09383290bd32cb599090

  • SSDEEP

    49152:GvHI22SsaNYfdPBldt698dBcjHUCYa95fQFk/VLoGds4THHB72eh2NT:Gvo22SsaNYfdPBldt6+dBcjH2af

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

165.227.31.192:22088

Mutex

111510af-51e9-4206-84d6-4a8308fcde0b

Attributes
  • encryption_key

    58663523DF152C6BB3C05371B4C69BB5A1242833

  • install_name

    WindowsSubSystemForAndroid.exe

  • log_directory

    Logger

  • reconnect_delay

    3000

  • startup_key

    WSL Startup

  • subdirectory

    Roaming

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      7bb67714c33aa3dc9fe346b859d3ffd8

    • SHA1

      686b76ded3573663ad629ce10ff3e8afa3545b07

    • SHA256

      723d899faef9b66d299b81d62e4962ce9168d4df373ef25ea0cd95fd59a2fa70

    • SHA512

      33872042221e5e339703c07252f66e7329eec2fcbbc03f52d78dae4d14229a6982856ef1f3a96ee0722aa3d69a24f30a4e29143f84de09383290bd32cb599090

    • SSDEEP

      49152:GvHI22SsaNYfdPBldt698dBcjHUCYa95fQFk/VLoGds4THHB72eh2NT:Gvo22SsaNYfdPBldt6+dBcjH2af

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks