Analysis

  • max time kernel
    82s
  • max time network
    147s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    19/10/2020, 23:32

General

  • Target

    document-1382903420.xls

  • Size

    426KB

  • MD5

    724155d5c6bade0c61e25a41e6f72447

  • SHA1

    4da5b74e70492ce978978aecde9bc89fd40bcb93

  • SHA256

    ef574f14c89a54d5f8ebb5e3c3748d76bbfbb4c6cd81ab31c8f7952d1a226760

  • SHA512

    e4c85d69a822718639d5a67f763407fcb40026deabe8440034e991642797fabc96c24a49809c7eb51ac337ebdb3bc272783cafd3d258510f1bd197411bc45e62

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-1382903420.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:3876
    • 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 4628
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:3376
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4628
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1252

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1252-4-0x000001B620630000-0x000001B620631000-memory.dmp

          Filesize

          4KB

        • memory/1252-5-0x000001B620630000-0x000001B620631000-memory.dmp

          Filesize

          4KB

        • memory/1252-7-0x000001B620E80000-0x000001B620E81000-memory.dmp

          Filesize

          4KB

        • memory/1252-10-0x000001B620FD0000-0x000001B620FD1000-memory.dmp

          Filesize

          4KB

        • memory/1252-11-0x000001B620FD0000-0x000001B620FD1000-memory.dmp

          Filesize

          4KB

        • memory/1252-12-0x000001B620FD0000-0x000001B620FD1000-memory.dmp

          Filesize

          4KB

        • memory/3876-0-0x00007FFC63190000-0x00007FFC63856000-memory.dmp

          Filesize

          6.8MB