Overview

overview

10

Static

static

10

Runtime Broker.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Runtime Broker.exe

  • Size

    3.1MB

  • Sample

    240615-tcjraazdqp

  • MD5

    8ee6efc4aed8b25536a9afa6e8bd631b

  • SHA1

    991bd0da1022703aad79c5df04be8588c6dbbe50

  • SHA256

    a3373407e232c4e60779439019f971c08e568a22889b2078bd2df8a4e4e3ff8c

  • SHA512

    ad3f29796140d0889d6fda4e63478dd3a33976595f78ecbb994f0b45ce49a0749a38fe3ca06536b9caed428eeabae9247978bf4d3a8948f9d4785faa6d7a06c1

  • SSDEEP

    49152:PvelL26AaNeWgPhlmVqvMQ7XSKFwbTCflzoGd/THHB72eh2NT:PvOL26AaNeWgPhlmVqkQ7XSKFYTCfd

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

team-circles.gl.at.ply.gg:25349

Mutex

afe43634-c51c-4666-976a-2703024afea6

Attributes
  • encryption_key

    78AF43F549EE55D0FC30D38EC96EAA6F3A3F5CDF

  • install_name

    Runtime Broker.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Runtime Broker

  • subdirectory

    WD Defender

Targets

    • Target

      Runtime Broker.exe

    • Size

      3.1MB

    • MD5

      8ee6efc4aed8b25536a9afa6e8bd631b

    • SHA1

      991bd0da1022703aad79c5df04be8588c6dbbe50

    • SHA256

      a3373407e232c4e60779439019f971c08e568a22889b2078bd2df8a4e4e3ff8c

    • SHA512

      ad3f29796140d0889d6fda4e63478dd3a33976595f78ecbb994f0b45ce49a0749a38fe3ca06536b9caed428eeabae9247978bf4d3a8948f9d4785faa6d7a06c1

    • SSDEEP

      49152:PvelL26AaNeWgPhlmVqvMQ7XSKFwbTCflzoGd/THHB72eh2NT:PvOL26AaNeWgPhlmVqkQ7XSKFYTCfd

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Checks computer location settings

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

    • Executes dropped EXE

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks