Analysis

  • max time kernel
    73s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    20/10/2020, 23:08

General

  • Target

    doc_pack-602014108.xls

  • Size

    62KB

  • MD5

    a2d40ef00b5e53b5d7b2406f0625cdaf

  • SHA1

    28f3c2383678ef41bbf273cc2780b370fb31e862

  • SHA256

    2ee61b25227ca71de4079882ba7e6750dfddcee9c2b864aeb53d8b16d61b8d9e

  • SHA512

    789b05eb1c0a452220725be2d606864ca64d5879563692cb8e38e27a4073e0e8c236cb8adaba9ac31f3131a5e8e7566066406f99f9b8eaa905bb6bd72a349b98

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-602014108.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:3924
    • 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 4648
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:2272
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4648
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:940

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/940-6-0x00000237914A0000-0x00000237914A1000-memory.dmp

    Filesize

    4KB

  • memory/940-7-0x00000237914A0000-0x00000237914A1000-memory.dmp

    Filesize

    4KB

  • memory/940-9-0x0000023791B00000-0x0000023791B01000-memory.dmp

    Filesize

    4KB

  • memory/940-10-0x0000023791E90000-0x0000023791E91000-memory.dmp

    Filesize

    4KB

  • memory/940-11-0x0000023791E90000-0x0000023791E91000-memory.dmp

    Filesize

    4KB

  • memory/940-12-0x0000023791E90000-0x0000023791E91000-memory.dmp

    Filesize

    4KB

  • memory/940-13-0x0000023791A20000-0x0000023791A21000-memory.dmp

    Filesize

    4KB

  • memory/3924-0-0x00007FFAC5E90000-0x00007FFAC6556000-memory.dmp

    Filesize

    6.8MB