Overview

overview

10

Static

static

8

2199f8ce2a...e1.exe

windows10-2004-x64

10

2199f8ce2a...e1.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2199f8ce2ad5d297ff9d7cef289ce2389bf64491ec6ea38853cba96f0c309ee1
  • Size 7.7MB
  • Sample261031-g77qdabt2m
  • SHA256 2199f8ce2ad5d297ff9d7cef289ce2389bf64491ec6ea38853cba96f0c309ee1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04discoveryexecutionpersistencerevoked_codesignspywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 43.251.103.206:4456

Mutex

  • 54fc12a4-95a2-4232-8823-c640030c78fe

Attributes
  • encryption_key

    875A92BB886A52699413FB2E4370ADC03C1EDA37

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    flash

  • subdirectory

    SubDir

Targets

    • Target
      2199f8ce2ad5d297ff9d7cef289ce2389bf64491ec6ea38853cba96f0c309ee1
    • Size 7.7MB
    • SHA256 2199f8ce2ad5d297ff9d7cef289ce2389bf64491ec6ea38853cba96f0c309ee1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    office04discoveryexecutionquasarpersistencespywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks