Overview

overview

10

Static

static

10

aa551c7de8...6a.exe

windows7_x64

10

aa551c7de8...6a.exe

windows10-2004_x64

10

Sharing

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General

  • Target
    aa551c7de85ef21b2ea8d377d79a5e6a.exe
  • Size 2.7MB
  • Sample220323-qwvfcabdaq
  • SHA256 0b84e664c8b592aa0220d52841629b2accb41f1f624720331000ab5f2f0ed628
  • MD5 SHA1 SHA512
Score
10/10
quasaroffice04spywaresuricatatrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.0

Botnet

  • Office04

C2

  • ms-insider.net:1604

Mutex

  • 811c1960-874e-401e-bbd2-0d8560af92ea

Attributes
  • encryption_key

    4795EB97A05AE5F4E669D4B7FFF6608D94FC9027

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    5000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      aa551c7de85ef21b2ea8d377d79a5e6a.exe
    • Size 2.7MB
    • SHA256 0b84e664c8b592aa0220d52841629b2accb41f1f624720331000ab5f2f0ed628
    • MD5 SHA1 SHA512
    Score
    10/10
    quasaroffice04spywaresuricatatrojan

    • Quasar Payload

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • suricata: ET MALWARE Observed Malicious SSL Cert (Quasar CnC)

      suricata: ET MALWARE Observed Malicious SSL Cert (Quasar CnC)

      suricata

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks