Analysis

  • max time kernel
    87s
  • max time network
    156s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    19/10/2020, 23:32

General

  • Target

    document-1400422935.xls

  • Size

    426KB

  • MD5

    55f934c29441efa1ba506f330e37bfec

  • SHA1

    1745bf6fb959e4dd5331367d21487711362136ec

  • SHA256

    e15a0c55c4ec951efdaca5f72855921b1085967591b3cf93bd22b524c61a2f2c

  • SHA512

    9eb724885609722fec6695c75923f6b6976cb99924ef543895f68f7e216ecba8a03f9085267f3889cf17b385aaf62c88626c88802b774ea594c8843548e64a52

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-1400422935.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:508
    • 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 4728
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:2744
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4728
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3568

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/508-0-0x00007FFE41260000-0x00007FFE41926000-memory.dmp

          Filesize

          6.8MB

        • memory/508-1-0x0000022482E14000-0x0000022482E28000-memory.dmp

          Filesize

          80KB

        • memory/3568-5-0x00000269AB150000-0x00000269AB151000-memory.dmp

          Filesize

          4KB

        • memory/3568-6-0x00000269AB150000-0x00000269AB151000-memory.dmp

          Filesize

          4KB

        • memory/3568-8-0x00000269AB920000-0x00000269AB921000-memory.dmp

          Filesize

          4KB

        • memory/3568-11-0x00000269ABC10000-0x00000269ABC11000-memory.dmp

          Filesize

          4KB

        • memory/3568-12-0x00000269ABC10000-0x00000269ABC11000-memory.dmp

          Filesize

          4KB

        • memory/3568-13-0x00000269ABC10000-0x00000269ABC11000-memory.dmp

          Filesize

          4KB

        • memory/3568-14-0x00000269AB860000-0x00000269AB861000-memory.dmp

          Filesize

          4KB