Overview

overview

10

Static

static

10

stub.exe

windows7-x64

10

stub.exe

windows10-2004-x64

Sharing

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General

  • Target
    stub.exe
  • Size 53.7MB
  • Sample240711-d627qazble
  • SHA256 53cb412427a28483442e1c1c52b7339cea49682d000d51aedc98c0fb7a13b5f8
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 147.185.221.20:9835

  • 147.185.221.20:18563

Mutex

  • da84adab-a321-4164-9473-73ad56cb4ed3

Attributes
  • encryption_key

    99DD896C463A5DEFC60E5185D43A6893ACB75CFB

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      stub.exe
    • Size 53.7MB
    • SHA256 53cb412427a28483442e1c1c52b7339cea49682d000d51aedc98c0fb7a13b5f8
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasaroffice04spywaretrojan

    • 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