Analysis

  • max time kernel
    10s
  • max time network
    128s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    19/10/2020, 22:59

General

  • Target

    document-1147924850.xls

  • Size

    426KB

  • MD5

    4a7f03d58f23b7bace56a87566bd9bf9

  • SHA1

    5f25ceb953e5f73b0a6589754136132c8efb07e1

  • SHA256

    b470fe317ed9c0abccb2bd02be0d24eb6b52686b4cbf5ca95ba8e69a80ca5d87

  • SHA512

    570ba23df68c7d8a8e5232b2032b0f0bc1cfdf85c992b5d9ece6b860a8ef4ba663b3219751bcf9fd59c29119d61bc41ec8e937957c37577935b151377a969056

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-1147924850.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:4012
    • 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 4408
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:3892
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4408
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3512

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/3512-6-0x00000215DF110000-0x00000215DF111000-memory.dmp

          Filesize

          4KB

        • memory/3512-7-0x00000215DF110000-0x00000215DF111000-memory.dmp

          Filesize

          4KB

        • memory/3512-9-0x00000215DF830000-0x00000215DF831000-memory.dmp

          Filesize

          4KB

        • memory/3512-12-0x00000215DF830000-0x00000215DF831000-memory.dmp

          Filesize

          4KB

        • memory/3512-13-0x00000215DFC30000-0x00000215DFC31000-memory.dmp

          Filesize

          4KB

        • memory/3512-15-0x00000215DFB70000-0x00000215DFB71000-memory.dmp

          Filesize

          4KB

        • memory/3512-16-0x00000215DFB70000-0x00000215DFB71000-memory.dmp

          Filesize

          4KB

        • memory/3512-17-0x00000215DFB70000-0x00000215DFB71000-memory.dmp

          Filesize

          4KB

        • memory/4012-0-0x00007FFCC1380000-0x00007FFCC1A46000-memory.dmp

          Filesize

          6.8MB