Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows11-21h2-x64

10

Resubmissions

29/05/2024, 04:02

240529-el419aaf6310

29/05/2024, 03:57

240529-eh157aae6510

Sharing

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General

  • Target
    Client-built.exe
  • Size 3.1MB
  • Sample240529-eh157aae65
  • SHA256 9b906e8b6e09cdb3ad9d100dcb77df6f30e0a88c1fb164ea491a9e6fdd823083
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 10.0.0.5:55976

  • 127.0.0.1:12995

Mutex

  • fd7766f9-01b8-4f7d-9510-71226643b102

Attributes
  • encryption_key

    1A0BB6F7E6C51A39D122080A266E59E4C6D10FA8

  • install_name

    Centixwareinstaller.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows 11 Dir

  • subdirectory

    SubDir

Targets

    • Target
      Client-built.exe
    • Size 3.1MB
    • SHA256 9b906e8b6e09cdb3ad9d100dcb77df6f30e0a88c1fb164ea491a9e6fdd823083
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks