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

    241213-lzg7zawqbk

  • MD5

    7ae9e9867e301a3fdd47d217b335d30f

  • SHA1

    d8c62d8d73aeee1cbc714245f7a9a39fcfb80760

  • SHA256

    932cb7b1080180487be4b5754bd92600409bafda80d412018a792a8930c6a46c

  • SHA512

    063648705e1817a1df82c9a595e4bbe8e0b1dbb7e31a6517df59905ebe7f22160f4acb55349d03dfe70744a14fd53c59a4c657c7a96646fcccf1c2214fc803dd

  • SSDEEP

    49152:/vTlL26AaNeWgPhlmVqvMQ7XSKn8GE18hk/gv4oGdQTHHB72eh2NT:/vJL26AaNeWgPhlmVqkQ7XSKn8mA

Score
10/10
quasarruntimebrokerdiscoveryspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

RuntimeBroker

C2

Cmaster-57540.portmap.io:57540:8080

Mutex

7d0b5d0f-c185-4da8-b709-726d2f58400c

Attributes
  • encryption_key

    6275D618DF6119CEEF062AB381785B6186B8C0EB

  • install_name

    RuntimeBroker.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    RuntimeBroker

  • subdirectory

    devtun

Targets

    • Target

      RuntimeBroker.exe

    • Size

      3.1MB

    • MD5

      7ae9e9867e301a3fdd47d217b335d30f

    • SHA1

      d8c62d8d73aeee1cbc714245f7a9a39fcfb80760

    • SHA256

      932cb7b1080180487be4b5754bd92600409bafda80d412018a792a8930c6a46c

    • SHA512

      063648705e1817a1df82c9a595e4bbe8e0b1dbb7e31a6517df59905ebe7f22160f4acb55349d03dfe70744a14fd53c59a4c657c7a96646fcccf1c2214fc803dd

    • SSDEEP

      49152:/vTlL26AaNeWgPhlmVqvMQ7XSKn8GE18hk/gv4oGdQTHHB72eh2NT:/vJL26AaNeWgPhlmVqkQ7XSKn8mA

    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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks