Analysis

  • max time kernel
    9s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    20/10/2020, 23:12

General

  • Target

    doc_pack-633171833.xls

  • Size

    62KB

  • MD5

    9c58f720b180e0af44747b9830a549dc

  • SHA1

    24f07332f66894e6875bc2e43c51ca194b5b92df

  • SHA256

    51cee8e44291bd8c4ee1f4f356e6871703ffb9ebc1006233504f583f627fe10b

  • SHA512

    cb3aa8e16b7de7af665d84bf1410ccdf38354c43f96e6a7503299547a33ab9e3622e2bbde71264bf87c46be02c2d6bd2cf979f2bb65609c3136de08667d13378

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\doc_pack-633171833.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:3852
    • 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 4416
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:3848
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4416
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2072

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2072-6-0x000002876E7B0000-0x000002876E7B1000-memory.dmp

    Filesize

    4KB

  • memory/2072-7-0x000002876E7B0000-0x000002876E7B1000-memory.dmp

    Filesize

    4KB

  • memory/2072-9-0x000002876EFB0000-0x000002876EFB1000-memory.dmp

    Filesize

    4KB

  • memory/2072-12-0x000002876F270000-0x000002876F271000-memory.dmp

    Filesize

    4KB

  • memory/2072-13-0x000002876F270000-0x000002876F271000-memory.dmp

    Filesize

    4KB

  • memory/2072-14-0x000002876F270000-0x000002876F271000-memory.dmp

    Filesize

    4KB

  • memory/2072-15-0x000002876EEF0000-0x000002876EEF1000-memory.dmp

    Filesize

    4KB

  • memory/3852-0-0x00007FF88C3D0000-0x00007FF88CA96000-memory.dmp

    Filesize

    6.8MB