Overview

overview

10

Static

static

10

Client-built.mp.exe

windows7-x64

10

Client-built.mp.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Client-built.mp.exe

  • Size

    100.0MB

  • Sample

    230604-rhphlscd56

  • MD5

    7fa51dbc125354cb761cffe80bb9197d

  • SHA1

    9eaf112b2c1071c7cb47701f858db113197fc5c1

  • SHA256

    101ca6d2527a7ccbbf730ecdf911bfb509a5705c75966f43b10fa7689b60306a

  • SHA512

    130c355dfce059f0d0587fcee12afc2195ed7187c36fe254c99b451237b8266494972106b507cefc387a7a368644527a83dff66b6b70f41a83e62c85fa2f34d5

  • SSDEEP

    24576:W/uKMSmNn4nLuM2iyASjiOv7Qb7m9Bn78Y6jXANKWIwk52CvSa4JVxx:W/SNH5KanyEkW

Score
10/10
quasarfbsystemspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

fbsystem

C2

bobbawb1000.duckdns.org:23092

Mutex

1285744062619928830

Attributes
  • encryption_key

    DaKwT5hTDvGHU1fEyTZ3

  • install_name

    fbsystem.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    fbsystem

  • subdirectory

    fbsystem

Targets

    • Target

      Client-built.mp.exe

    • Size

      100.0MB

    • MD5

      7fa51dbc125354cb761cffe80bb9197d

    • SHA1

      9eaf112b2c1071c7cb47701f858db113197fc5c1

    • SHA256

      101ca6d2527a7ccbbf730ecdf911bfb509a5705c75966f43b10fa7689b60306a

    • SHA512

      130c355dfce059f0d0587fcee12afc2195ed7187c36fe254c99b451237b8266494972106b507cefc387a7a368644527a83dff66b6b70f41a83e62c85fa2f34d5

    • SSDEEP

      24576:W/uKMSmNn4nLuM2iyASjiOv7Qb7m9Bn78Y6jXANKWIwk52CvSa4JVxx:W/SNH5KanyEkW

    Score
    10/10
    quasarfbsystemspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Loads dropped DLL

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks