Overview

overview

10

Static

static

10

RuntimeBroker.exe

windows7-x64

10

RuntimeBroker.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    RuntimeBroker.exe

  • Size

    3.1MB

  • Sample

    241216-hc4kxazmej

  • MD5

    b77d847b1d41cde07f81168c7addbb10

  • SHA1

    2d5c614efdef7ab59fa5fb665d6ed1a79502b97f

  • SHA256

    492a651e5ae2020b3b7fd51861adf68402089d050e083c3a9ef1a9866256000c

  • SHA512

    6fff7c253c543e370dcb459f0cc66003f57fbc35f40af5744deca97a2c593bf0881f96c845bbc15963e9eb81a652aec78a500ea41f2d1af5fbb5f0ec04c6c9f6

  • SSDEEP

    49152:nvelL26AaNeWgPhlmVqvMQ7XSKqaRJ61bR3LoGdEjTHHB72eh2NT:nvOL26AaNeWgPhlmVqkQ7XSKqaRJ6H

Score
10/10
quasarruntimebrokerdiscoveryspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

RuntimeBroker

C2

siembonik-44853.portmap.host:44853

Mutex

df483a08-855b-4bf5-bdcb-174788919889

Attributes
  • encryption_key

    A8573AD4438B1D5F6207F7C03CCC7F1E2D4B13DF

  • install_name

    RuntimeBroker.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    RuntimeBroker

  • subdirectory

    am1

Targets

    • Target

      RuntimeBroker.exe

    • Size

      3.1MB

    • MD5

      b77d847b1d41cde07f81168c7addbb10

    • SHA1

      2d5c614efdef7ab59fa5fb665d6ed1a79502b97f

    • SHA256

      492a651e5ae2020b3b7fd51861adf68402089d050e083c3a9ef1a9866256000c

    • SHA512

      6fff7c253c543e370dcb459f0cc66003f57fbc35f40af5744deca97a2c593bf0881f96c845bbc15963e9eb81a652aec78a500ea41f2d1af5fbb5f0ec04c6c9f6

    • SSDEEP

      49152:nvelL26AaNeWgPhlmVqvMQ7XSKqaRJ61bR3LoGdEjTHHB72eh2NT:nvOL26AaNeWgPhlmVqkQ7XSKqaRJ6H

    Score
    10/10
    quasarruntimebrokerdiscoveryspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks