Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows10-2004-x64

10

Resubmissions

15/08/2024, 21:32

240815-1dvy9swarg10

15/08/2024, 21:30

240815-1csshszenp10

Sharing

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General

  • Target
    Client-built.exe
  • Size 3.1MB
  • Sample240815-1csshszenp
  • SHA256 5d381749978407c5259a4da354166ee8a9fb5e934c920d69305f8db93a6c529c
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04discoveryspywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 2601:601:480:5e0::ee14:4782

Mutex

  • 367fc473-e902-4dc9-9702-0593f8980259

Attributes
  • encryption_key

    E8CDDBBA590873BFD4CA899CC44B15C399BC1E2A

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      Client-built.exe
    • Size 3.1MB
    • SHA256 5d381749978407c5259a4da354166ee8a9fb5e934c920d69305f8db93a6c529c
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasaroffice04discoveryspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks