Overview

overview

10

Static

static

3

54718ab7a9...9a.exe

windows7-x64

7

54718ab7a9...9a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    54718ab7a93e2a2a00e355a58dfa1d4700ec08e925703bb72d7a25dd01973e9a

  • Size

    2.2MB

  • Sample

    241117-lc2yvswlav

  • MD5

    ebbb525d514b2725487ea56391c67268

  • SHA1

    2e4a7ca7d6029750336a59531fa92bb863200c8d

  • SHA256

    54718ab7a93e2a2a00e355a58dfa1d4700ec08e925703bb72d7a25dd01973e9a

  • SHA512

    b645c9b13ccd96f7fc02b5eccf6f11930baa28c174efb061c55742044e9d8079fc5d8d271b006f8c6369ac573dc7f4d222aa0d5c3e54f9ca78338f083ee546dd

  • SSDEEP

    49152:Gll+JYqBe/XaZ9VMaAsRr1CwHLSJ1xGpocF8oWrwOcbRKF6Buu0:NJ1YXw11CwHLY1YOo4wBg

Score
10/10
quasaroffice04discoveryspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

162.230.48.189:4782

Mutex

b739d9d4-46e7-4623-b745-58f79e3de3da

Attributes
  • encryption_key

    1101B928CCB2F89CEEC9E5352468A3EF026F77D5

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      54718ab7a93e2a2a00e355a58dfa1d4700ec08e925703bb72d7a25dd01973e9a

    • Size

      2.2MB

    • MD5

      ebbb525d514b2725487ea56391c67268

    • SHA1

      2e4a7ca7d6029750336a59531fa92bb863200c8d

    • SHA256

      54718ab7a93e2a2a00e355a58dfa1d4700ec08e925703bb72d7a25dd01973e9a

    • SHA512

      b645c9b13ccd96f7fc02b5eccf6f11930baa28c174efb061c55742044e9d8079fc5d8d271b006f8c6369ac573dc7f4d222aa0d5c3e54f9ca78338f083ee546dd

    • SSDEEP

      49152:Gll+JYqBe/XaZ9VMaAsRr1CwHLSJ1xGpocF8oWrwOcbRKF6Buu0:NJ1YXw11CwHLY1YOo4wBg

    Score
    10/10
    discoveryquasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Drops startup file

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks