Overview

overview

10

Static

static

10

Client-bu1ilt.exe

windows11-ltsc_2024-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    Client-bu1ilt.exe
  • Size 3.1MB
  • Sample260908-ysybtsgp7y
  • SHA256 de510c9c559332cd843f4c37906c21682023b91d45039dd077ebd7636e54ed5a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 192.168.1.143:1177

  • silence3.ddns.net:1177

Mutex

  • 89c6c83a-2d83-4891-be0e-52e7994ae8cd

Attributes
  • encryption_key

    AE3203A5BEF2D391AE0F42798BBC35DF4D13823E

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      Client-bu1ilt.exe
    • Size 3.1MB
    • SHA256 de510c9c559332cd843f4c37906c21682023b91d45039dd077ebd7636e54ed5a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    office04quasarspywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks