Overview

overview

10

Static

static

10

Client-built.exe

windows10-1703-x64

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows10-2004-x64

10

Client-built.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    Client-built.exe
  • Size 3.1MB
  • Sample240601-3ppbzaba7v
  • SHA256 3797626bb8fb9703283002f9fe59c8e0b55292a180efdae1b8b3faace9f6c899
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasarfudspywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • FUD

C2

  • runderscore00-61208.portmap.host:61208

Mutex

  • 41104e3a-44c7-4cb0-8bde-1a3c82e695fa

Attributes
  • encryption_key

    0185F96AF587188E173301C437AB89C8912A9718

  • install_name

    $sxr-powershell.exe

  • log_directory

    $sxr-Logs

  • reconnect_delay

    3000

  • startup_key

    Powershell

  • subdirectory

    $sxr-seroxen2

Targets

    • Target
      Client-built.exe
    • Size 3.1MB
    • SHA256 3797626bb8fb9703283002f9fe59c8e0b55292a180efdae1b8b3faace9f6c899
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasarfudspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Tasks