Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    240630-ta3rdazgjb

  • MD5

    40e23e474ee8d2726fe03b40081a25d6

  • SHA1

    81c729c9dcaa6357d4c3d5e7f5c10f5b1f2a5844

  • SHA256

    4da81d41e48ee5ddf37d4c5dd49826ccf9a9f4ee9b2b89f64323de3a45cd1f84

  • SHA512

    bc536ccedb560c762df85b316650db397d4bb03f4c7e6d30530d9a685d34e936c26ae3981e9ea87dead6e735b992588c9fb374ea644c11baa0db1c12ef165251

  • SSDEEP

    49152:3vTlL26AaNeWgPhlmVqvMQ7XSKhuRJ6+bR3LoGdi8THHB72eh2NT:3vJL26AaNeWgPhlmVqkQ7XSKhuRJ64S

Score
10/10
quasarwave generatorspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Wave Generator

C2

192.168.1.150:4782

Mutex

4fa54cdc-4bee-4759-b0fd-21bb6d6f9eed

Attributes
  • encryption_key

    99A3D9CE1DE6501187FC4C0E50EBB3FE8AD7B9A8

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Microsoft Task Manager Worker Service

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      40e23e474ee8d2726fe03b40081a25d6

    • SHA1

      81c729c9dcaa6357d4c3d5e7f5c10f5b1f2a5844

    • SHA256

      4da81d41e48ee5ddf37d4c5dd49826ccf9a9f4ee9b2b89f64323de3a45cd1f84

    • SHA512

      bc536ccedb560c762df85b316650db397d4bb03f4c7e6d30530d9a685d34e936c26ae3981e9ea87dead6e735b992588c9fb374ea644c11baa0db1c12ef165251

    • SSDEEP

      49152:3vTlL26AaNeWgPhlmVqvMQ7XSKhuRJ6+bR3LoGdi8THHB72eh2NT:3vJL26AaNeWgPhlmVqkQ7XSKhuRJ64S

    Score
    10/10
    quasarwave generatorspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    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

Query Registry

2
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks