Analysis

  • max time kernel
    144s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/10/2023, 07:14

General

  • Target
    6e242f8a7eb59ca6f2b47b456fb44602c569fb343036c06c1aa0d35070c1b75b.exe
  • Size 26KB
  • Sample231016-h2svpscd5y
  • SHA256 6e242f8a7eb59ca6f2b47b456fb44602c569fb343036c06c1aa0d35070c1b75b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6e242f8a7eb59ca6f2b47b456fb44602c569fb343036c06c1aa0d35070c1b75b.exe
    "C:\Users\Admin\AppData\Local\Temp\6e242f8a7eb59ca6f2b47b456fb44602c569fb343036c06c1aa0d35070c1b75b.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1084
    • C:\Windows\spoolsv.exe
      "C:\Windows\spoolsv.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • NTFS ADS
      • Suspicious use of AdjustPrivilegeToken
      PID:2844

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        msoia.exe_Rules.xml

        • Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\msoia.exe_Rules.xml
        • Size 26KB
        • SHA256 6b8135c2fbb0df2f4c8e569954ec077d4565f825c9df61d49d3c3021418edd78
        • MD5 SHA1 SHA512 SSDEEP

        7LJUYGq3CNvoyMZ.exe

        • Path C:\Users\Admin\AppData\Local\Temp\7LJUYGq3CNvoyMZ.exe
        • Size 26KB
        • SHA256 0bfdfb6a9a7bca18317d95b407d7f90f52506931adb00bb98845a2a939592094
        • MD5 SHA1 SHA512 SSDEEP

        spoolsv.exe

        • Path C:\Windows\spoolsv.exe
        • Size 25KB
        • SHA256 272bd07fa6c2678fd96a026237a184fceffa65d319f6844bac582aff90ce25d8
        • MD5 SHA1 SHA512 SSDEEP

        spoolsv.exe

        • Path C:\Windows\spoolsv.exe
        • Size 25KB
        • SHA256 272bd07fa6c2678fd96a026237a184fceffa65d319f6844bac582aff90ce25d8
        • MD5 SHA1 SHA512 SSDEEP