Overview

overview

10

Static

static

10

lastry.exe

windows10-2004-x64

10

lastry.exe

windows11-ltsc_2024-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    lastry.exe
  • Size 3.1MB
  • Sample261001-bp49mssxev
  • SHA256 be640e9322ae1a63cdbed4e21d2da4e1df75fb8fa9ba84fe26f8bb3077284a49
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04executionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 86.164.74.167:4770

Mutex

  • 3b8d52da-a068-4f00-a2f9-5c35096c6765

Attributes
  • encryption_key

    B846BF0F2D77DB2EFFEA00B31AD1F769D7C82068

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    1

  • startup_key

    WindowsStartUp.exe

  • subdirectory

    SubDir

Targets

    • Target
      lastry.exe
    • Size 3.1MB
    • SHA256 be640e9322ae1a63cdbed4e21d2da4e1df75fb8fa9ba84fe26f8bb3077284a49
    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks