Analysis

  • max time kernel
    80s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    19/10/2020, 22:57

General

  • Target

    document-1073498911.xls

  • Size

    426KB

  • MD5

    0a942308e7975b7c8f6f55fde4ac8995

  • SHA1

    047da19710a83b40815fd18cba059192ab08428a

  • SHA256

    09a7b752b89cb74816f941456427b459c67dde969eeb469a858dbfead9ddccb5

  • SHA512

    e2077e1a997ec8f38c4da337378b2b7d548e82768829f192b1c930434484fcea77b57091d6b882bc65439be3f54bfb66981fa6a2b8ece0a09c745c59f556e706

Score
6/10

Malware Config

Signatures

  • Process spawned suspicious child process 1 IoCs

    This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\document-1073498911.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3740
    • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE
      "C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 4756
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:2956
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4756
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2880

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2880-5-0x00000266F9B60000-0x00000266F9B61000-memory.dmp

          Filesize

          4KB

        • memory/2880-6-0x00000266F9B60000-0x00000266F9B61000-memory.dmp

          Filesize

          4KB

        • memory/2880-8-0x00000266FA2B0000-0x00000266FA2B1000-memory.dmp

          Filesize

          4KB

        • memory/2880-11-0x00000266FA6B0000-0x00000266FA6B1000-memory.dmp

          Filesize

          4KB

        • memory/2880-13-0x00000266FA6B0000-0x00000266FA6B1000-memory.dmp

          Filesize

          4KB

        • memory/2880-15-0x00000266FA500000-0x00000266FA501000-memory.dmp

          Filesize

          4KB

        • memory/2880-16-0x00000266FA500000-0x00000266FA501000-memory.dmp

          Filesize

          4KB

        • memory/2880-17-0x00000266FA500000-0x00000266FA501000-memory.dmp

          Filesize

          4KB

        • memory/2880-18-0x00000266FA1F0000-0x00000266FA1F1000-memory.dmp

          Filesize

          4KB

        • memory/3740-0-0x00007FFA6F340000-0x00007FFA6FA06000-memory.dmp

          Filesize

          6.8MB