Overview

overview

10

Static

static

10

Client-Built.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    Client-Built.exe

  • Size

    3.1MB

  • Sample

    240630-vx364a1ejg

  • MD5

    a83d80a0db9a509be7acfa3c7ba9a066

  • SHA1

    6e3c59fc948ae86e8d2d38e42b232e397f40bc48

  • SHA256

    6bc733f11af6d7dce26816caa4e0bfba8f72db07c997b043619186a2e85589ed

  • SHA512

    eaef06a27315caf66127a0024831444ba85c621f50b73ba31c105fc0987902214226c83fbec005de3c0603d0bfff00516a44d63a64cd4301abb3fc2967bd1c99

  • SSDEEP

    49152:bvzlL26AaNeWgPhlmVqvMQ7XSKmAu4WDfR9YoGdfTrNGTHHB72eh2NT:bvpL26AaNeWgPhlmVqkQ7XSKmf4jv

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.0.177:4782

Mutex

fd713a2a-810e-4800-b077-4b0e564f16e9

Attributes
  • encryption_key

    6B559FBA33993D944FD324F1D59D7F6E5BD04C2E

  • install_name

    WaveKeysGenrator.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    RATS

Targets

    • Target

      Client-Built.exe

    • Size

      3.1MB

    • MD5

      a83d80a0db9a509be7acfa3c7ba9a066

    • SHA1

      6e3c59fc948ae86e8d2d38e42b232e397f40bc48

    • SHA256

      6bc733f11af6d7dce26816caa4e0bfba8f72db07c997b043619186a2e85589ed

    • SHA512

      eaef06a27315caf66127a0024831444ba85c621f50b73ba31c105fc0987902214226c83fbec005de3c0603d0bfff00516a44d63a64cd4301abb3fc2967bd1c99

    • SSDEEP

      49152:bvzlL26AaNeWgPhlmVqvMQ7XSKmAu4WDfR9YoGdfTrNGTHHB72eh2NT:bvpL26AaNeWgPhlmVqkQ7XSKmf4jv

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1

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

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks