Overview

overview

10

Static

static

10

Client-built.exe

windows10-2004-x64

10

Client-built.exe

windows11-ltsc_2024-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    Client-built.exe
  • Size 3.4MB
  • Sample261017-jnellavy7q
  • SHA256 f5d5d3e747080356de7bb3b5a57cf1c495f1f93208a0d5bfdaca7af03c877c91
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasarbyeongsinsaekkidiscoveryexecutionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • byeongsinsaekki

C2

  • 211.193.49.225:8787

Mutex

  • 6f2489a8-0d9e-4c31-88af-216c9400b29a

Attributes
  • encryption_key

    1A0AB47605F23B139B44114112736B139C00A2E6

  • install_name

    Extern.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Roblox

  • subdirectory

    KernelDriver

Targets

    • Target
      Client-built.exe
    • Size 3.4MB
    • SHA256 f5d5d3e747080356de7bb3b5a57cf1c495f1f93208a0d5bfdaca7af03c877c91
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    byeongsinsaekkidiscoveryexecutionquasarpersistencespywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks