Overview

overview

10

Static

static

5

a7d3824bc6...08.exe

windows10-2004-x64

10

a7d3824bc6...08.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    a7d3824bc6d71e139aa8c3d77d47f9cc2c2367cba77f9302dc71fb8870f53608
  • Size 2.0MB
  • Sample260824-nnct8axamd
  • SHA256 a7d3824bc6d71e139aa8c3d77d47f9cc2c2367cba77f9302dc71fb8870f53608
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04executionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 127.0.0.1:4782

Mutex

  • 356050cf-1ede-401f-a90a-adee8f8cc5b9

Attributes
  • encryption_key

    7D0629ED26A9B150801A13EB2431C45A6A2A2564

  • install_name

    RuntimeBroker.exe.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    OneDrive Sync

  • subdirectory

    Microsoft\Windows

Targets

    • Target
      a7d3824bc6d71e139aa8c3d77d47f9cc2c2367cba77f9302dc71fb8870f53608
    • Size 2.0MB
    • SHA256 a7d3824bc6d71e139aa8c3d77d47f9cc2c2367cba77f9302dc71fb8870f53608
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    office04executionquasarpersistencespywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks