Analysis

  • max time kernel
    71s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    19/10/2020, 23:32

General

  • Target

    document-1428003959.xls

  • Size

    426KB

  • MD5

    161e7e3d6fd907d6403c65ee78db28c9

  • SHA1

    8edf3c0ae44776a1e922508bfcc14013dcd724ac

  • SHA256

    ad641470dee012ad86a90a53e525f17d03b9fa274794b46c100385de1b2e757a

  • SHA512

    7d90128f0a6c0be2e1fbcf602c234cc2618f896c93e134992cc9636303b4d34c46aa98650f08e838ba5aca059c16a528f71f8218a724603dc6342010ff336168

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-1428003959.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:1052
    • 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 4664
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:3100
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4664
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:948

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/948-5-0x000001B8121C0000-0x000001B8121C1000-memory.dmp

          Filesize

          4KB

        • memory/948-6-0x000001B8121C0000-0x000001B8121C1000-memory.dmp

          Filesize

          4KB

        • memory/948-8-0x000001B8129D0000-0x000001B8129D1000-memory.dmp

          Filesize

          4KB

        • memory/948-11-0x000001B812C10000-0x000001B812C11000-memory.dmp

          Filesize

          4KB

        • memory/948-12-0x000001B812C10000-0x000001B812C11000-memory.dmp

          Filesize

          4KB

        • memory/948-13-0x000001B812C10000-0x000001B812C11000-memory.dmp

          Filesize

          4KB

        • memory/1052-0-0x00007FFEF8DA0000-0x00007FFEF9466000-memory.dmp

          Filesize

          6.8MB