Overview

overview

10

Static

static

36458565.vbs

windows7_x64

10

36458565.vbs

windows10_x64

10

Sharing

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General

  • Target
    36458565.vbs
  • Size 1KB
  • Sample211003-pnw4jafeek
  • SHA256 01526b381acd09438b74ca04eacf96cdc8f8fdafb36e85be9a099223db630f72
  • MD5 SHA1 SHA512
Score
10/10
quasar8spywaresuricatatrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.3.0.0

Botnet

  • 8

C2

  • 3.36.121.136:4782

Mutex

  • QSR_MUTEX_2buErdxrYVW8JvhTM4

Attributes
  • encryption_key

    HHPAsaGEK7mx9XJmMzI4

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    10

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      36458565.vbs
    • Size 1KB
    • SHA256 01526b381acd09438b74ca04eacf96cdc8f8fdafb36e85be9a099223db630f72
    • MD5 SHA1 SHA512
    Score
    10/10
    quasar8spywaresuricatatrojan

    • Quasar Payload

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • suricata: ET MALWARE Possible Windows executable sent when remote host claims to send html content

      suricata: ET MALWARE Possible Windows executable sent when remote host claims to send html content

      suricata

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops startup file

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks