Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    Client-built.exe
  • Size 3.1MB
  • Sample240805-e1aqys1arg
  • SHA256 01b172d69a0ce6bdf3f29f89b58e18474d07d7c57f22ac4633fdb2cfa794cb6c
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04discoveryspywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 147.185.221.20:18563

  • 147.185.221.20:9835

Mutex

  • c2e1b18a-ce93-436d-ad8b-21bf89015e19

Attributes
  • encryption_key

    9E968F05BD874BA1BE086FD1774A027473823F49

  • 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 01b172d69a0ce6bdf3f29f89b58e18474d07d7c57f22ac4633fdb2cfa794cb6c
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasaroffice04spywaretrojandiscovery

    • 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.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks