Analysis

  • max time kernel
    92s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    19/10/2020, 23:32

General

  • Target

    document-1308503642.xls

  • Size

    426KB

  • MD5

    fcbd1575baeeb57d33dd6d5080c65c03

  • SHA1

    f9f385dec594b69b84b5d622ddbbd804df3e31a2

  • SHA256

    8db0088c0bdc783e7e0ca4eaac2308a46a912454dbd10bb63b5e4cfc42e0a7c1

  • SHA512

    deda3bad45bc8e0a4684e1dfe5136cf7a587c4817c418db81438f1cd8975b149cf831f4ff270b175d281b2750a098ed5eab1036e43dc7b43f51ce28690eafa7b

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-1308503642.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:796
    • 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 4808
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:3548
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4808
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3620

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/796-0-0x00007FFFFAC30000-0x00007FFFFB2F6000-memory.dmp

          Filesize

          6.8MB

        • memory/3620-5-0x000002C8D8810000-0x000002C8D8811000-memory.dmp

          Filesize

          4KB

        • memory/3620-6-0x000002C8D8810000-0x000002C8D8811000-memory.dmp

          Filesize

          4KB

        • memory/3620-8-0x000002C8D9010000-0x000002C8D9011000-memory.dmp

          Filesize

          4KB

        • memory/3620-11-0x000002C8D92A0000-0x000002C8D92A1000-memory.dmp

          Filesize

          4KB

        • memory/3620-12-0x000002C8D92A0000-0x000002C8D92A1000-memory.dmp

          Filesize

          4KB

        • memory/3620-13-0x000002C8D92A0000-0x000002C8D92A1000-memory.dmp

          Filesize

          4KB