Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Resubmissions

14-06-2024 07:31

240614-jcvtfatfqp 10

14-06-2024 07:26

240614-h92gtateqq 10

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    240614-jcvtfatfqp

  • MD5

    7f113430d45982dd16a92095a0734593

  • SHA1

    7c054a7e0ded31b23b94f59159b47df5e37135dd

  • SHA256

    bba5ce847c62bb82236b5c5e9469f24d7f8f3d605bfaf4b5c5901b4fad1b84ac

  • SHA512

    c17264d90431123207abd10998c4f8e068a7fcba7ab9763952741c52eccd80791bc48e2a053eec51499d9c2ae8a7f454f9ab74b0970fc219c57dd49a244753a1

  • SSDEEP

    49152:/vblL26AaNeWgPhlmVqvMQ7XSKGH4ooGdtOTHHB72eh2NT:/vBL26AaNeWgPhlmVqkQ7XSKGHT

Score
10/10
quasartriagepersistencespywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

triage

C2

daongochuy.ddns.net:5899

192.168.1.70:5899
Mutex

f780d9fa-685c-409a-be9a-662a1160ec3e

Attributes
  • encryption_key

    DA58166FE3472BA10368FA5F4736C40EA43CDD81

  • install_name

    winrmt.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Device Manager

  • subdirectory

    WindowsManager

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      7f113430d45982dd16a92095a0734593

    • SHA1

      7c054a7e0ded31b23b94f59159b47df5e37135dd

    • SHA256

      bba5ce847c62bb82236b5c5e9469f24d7f8f3d605bfaf4b5c5901b4fad1b84ac

    • SHA512

      c17264d90431123207abd10998c4f8e068a7fcba7ab9763952741c52eccd80791bc48e2a053eec51499d9c2ae8a7f454f9ab74b0970fc219c57dd49a244753a1

    • SSDEEP

      49152:/vblL26AaNeWgPhlmVqvMQ7XSKGH4ooGdtOTHHB72eh2NT:/vBL26AaNeWgPhlmVqkQ7XSKGHT

    Score
    10/10
    quasartriagepersistencespywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks