General

  • Target
    0000875396597·pdf.vbs
  • Size 30KB
  • Sample240906-h5h5nstdjf
  • SHA256 569e7a854cbade3720fef90d7fa6168acf2758d4f885bc6fb9bb62ffc7b6586d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      0000875396597·pdf.vbs
    • Size 30KB
    • SHA256 569e7a854cbade3720fef90d7fa6168acf2758d4f885bc6fb9bb62ffc7b6586d
    • MD5 SHA1 SHA512 SSDEEP
    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Blocklisted process makes network request

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks