Overview

overview

10

Static

static

10

Client-built.exe

windows10-2004-x64

10

Client-built.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    Client-built.exe
  • Size 3.1MB
  • Sample261105-hhkd8aaw6l
  • SHA256 c94a3ca6a82b668ed25d5605e4039fd1e49d9b3223240aaf98cafef4f81bb75e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04 discoveryexecutionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • www.rgvworld.in:8080

  • koinslot168-f.cc:8080

  • lumbungslot138.ink:8080

  • caliente-sports.com.mx:8080

  • atlpws.finddo.in:8080

  • https://atlpws.finddo.in/:81

  • atlpws.finddo.in:7281

  • tebasslot2.net:8080

  • heartcarecenter.co.in:8080

  • riccis53degreesnorth.co.uk:8080

  • mu88io.click:8080

  • cacali.club:8080

  • mu88tt.com:8080

  • mu88.health:8080

  • nacsllc.co:8080

  • hindigrammarbook.in:8080

  • dabrueggemann.co:8080

  • mu88-navya.com:8080

  • mu88com.com:8080

  • bigbearhug.co:8080

Mutex

  • 79878a60-01a0-4b99-9082-b025881d3197

Attributes
  • encryption_key

    61D61573755A2E8791F777F44FE72A8C404B3F90

  • install_name

    install.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    50

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      Client-built.exe
    • Size 3.1MB
    • SHA256 c94a3ca6a82b668ed25d5605e4039fd1e49d9b3223240aaf98cafef4f81bb75e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    office04 discoveryexecutionquasarpersistencespywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks