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
  • Sample261110-kk5jaaeb46
  • SHA256 41a832b1898542c2adae443992c9e79ec0654945b832757ff065174db3b3b4ac
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04 discoveryexecutionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • sc88k.com:4782

  • sc88k.com:4953

  • sc88k.com:4444

  • sc88k.com:4040

  • sc88k.com:443

  • sc88k.com:403

  • sc88k.com:8000

Mutex

  • 6e3df623-36dc-41cc-b49f-89643dacd101

Attributes
  • encryption_key

    61D61573755A2E8791F777F44FE72A8C404B3F90

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    100

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      Client-built.exe
    • Size 3.1MB
    • SHA256 41a832b1898542c2adae443992c9e79ec0654945b832757ff065174db3b3b4ac
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    office04 discoveryexecutionquasarpersistencespywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks