Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    240702-skqn5asekl

  • MD5

    975c6ed39d682835148dfd77146c2243

  • SHA1

    5b097d147810624dafb34a98e96acd734c2705b6

  • SHA256

    3db4c27d5ca67cd992ef57773d7042eb53574dbe7d8e34c9cde2a42e0405953c

  • SHA512

    f25038ac9f8714a7a89e0a2be58207754f6ed66feeb6e0d46dc49b2cffdb10f678f32cda3947de70f88b45033c9baa0c14c72ef406ab3ede051b9501471d5b29

  • SSDEEP

    49152:HvilL26AaNeWgPhlmVqvMQ7XSKYPVxNESEhk/i7LoGdYJTHHB72eh2NT:HvaL26AaNeWgPhlmVqkQ7XSKSxQH

Score
10/10
quasarsolaraspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Solara

C2

192.168.0.23:4782

192.168.56.1:4782
Mutex

1db1cfc2-0b96-4b9e-afd9-8208e6abd265

Attributes
  • encryption_key

    41AD0502F025DD3F47720DC4BDEED540F3EAFD12

  • install_name

    securekerneI.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Update

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      975c6ed39d682835148dfd77146c2243

    • SHA1

      5b097d147810624dafb34a98e96acd734c2705b6

    • SHA256

      3db4c27d5ca67cd992ef57773d7042eb53574dbe7d8e34c9cde2a42e0405953c

    • SHA512

      f25038ac9f8714a7a89e0a2be58207754f6ed66feeb6e0d46dc49b2cffdb10f678f32cda3947de70f88b45033c9baa0c14c72ef406ab3ede051b9501471d5b29

    • SSDEEP

      49152:HvilL26AaNeWgPhlmVqvMQ7XSKYPVxNESEhk/i7LoGdYJTHHB72eh2NT:HvaL26AaNeWgPhlmVqkQ7XSKSxQH

    Score
    10/10
    quasarsolaraspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks