General

  • Target
    QuotePDF.vbs
  • Size 444KB
  • Sample220127-r757naeebl
  • SHA256 8dba6450d3ff2ac99d519d8f75affdcbb25bf5743e265246e0bfedd60a325a28
  • MD5 SHA1 SHA512

Malware Config

Targets

    • Target
      QuotePDF.vbs
    • Size 444KB
    • SHA256 8dba6450d3ff2ac99d519d8f75affdcbb25bf5743e265246e0bfedd60a325a28
    • MD5 SHA1 SHA512
    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty Payload

    • suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)

      suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)

    • suricata: ET MALWARE StormKitty Data Exfil via Telegram

      suricata: ET MALWARE StormKitty Data Exfil via Telegram

    • Async RAT payload

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Drops desktop.ini file(s)

    • Looks up external IP address via web service

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

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

MITRE ATT&CK Enterprise v6

Tasks