Analysis

  • max time kernel
    140s
  • max time network
    144s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    19/10/2020, 23:32

General

  • Target

    document-1257000597.xls

  • Size

    426KB

  • MD5

    7533a26c689f487b50a3ab1527a44c4c

  • SHA1

    b390d65ae7788b01cf9f46da08e808e47cdf3350

  • SHA256

    ea25d2a9866afd7323c341033032ec76c24d1240ae9c0784997c1d17b516969d

  • SHA512

    5430e93c9be4cd2fb6cef91392f12fd5f0a8184f956707a2de3b26dcdf4b6bfca8c217913532a69f23960134bee0b7926c7e228bfde6c6f12888dc23399d5838

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-1257000597.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:720
    • 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 4416
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:1696
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4416
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1756

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/720-0-0x00007FFFBCA60000-0x00007FFFBD126000-memory.dmp

          Filesize

          6.8MB

        • memory/1756-6-0x000001351A280000-0x000001351A281000-memory.dmp

          Filesize

          4KB

        • memory/1756-7-0x000001351A280000-0x000001351A281000-memory.dmp

          Filesize

          4KB

        • memory/1756-9-0x000001351A980000-0x000001351A981000-memory.dmp

          Filesize

          4KB

        • memory/1756-12-0x000001351AC00000-0x000001351AC01000-memory.dmp

          Filesize

          4KB

        • memory/1756-13-0x000001351AC00000-0x000001351AC01000-memory.dmp

          Filesize

          4KB

        • memory/1756-14-0x000001351AC00000-0x000001351AC01000-memory.dmp

          Filesize

          4KB

        • memory/1756-15-0x000001351A8C0000-0x000001351A8C1000-memory.dmp

          Filesize

          4KB