Analysis

  • max time kernel
    85s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    19/10/2020, 23:32

General

  • Target

    document-1255716615.xls

  • Size

    426KB

  • MD5

    f06c33436ce77ad4e943f7a606e884c1

  • SHA1

    cbd3c7f36366ada0eac0d7f9eee0567772fcc65e

  • SHA256

    a266df06bbfd7f611ed1534c19ce63a781d3f992c5709ea096281b4729f0b579

  • SHA512

    c8d48b6728804c66874514823ee522a6bb54bfe4886fa0a235416642d4c5b6a78cc9dd6d3dfc9c37634013d219dd360afc1c835ed057517fd65ca9d8fc054c20

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-1255716615.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:424
    • 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 4704
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:3644
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4704
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3020

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/424-0-0x00007FFE34970000-0x00007FFE35036000-memory.dmp

          Filesize

          6.8MB

        • memory/3020-6-0x00000239CB0F0000-0x00000239CB0F1000-memory.dmp

          Filesize

          4KB

        • memory/3020-7-0x00000239CB0F0000-0x00000239CB0F1000-memory.dmp

          Filesize

          4KB

        • memory/3020-9-0x00000239CB890000-0x00000239CB891000-memory.dmp

          Filesize

          4KB

        • memory/3020-12-0x00000239CBB90000-0x00000239CBB91000-memory.dmp

          Filesize

          4KB

        • memory/3020-13-0x00000239CBB90000-0x00000239CBB91000-memory.dmp

          Filesize

          4KB

        • memory/3020-14-0x00000239CBB90000-0x00000239CBB91000-memory.dmp

          Filesize

          4KB