Analysis

  • max time kernel
    8s
  • max time network
    129s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    20/10/2020, 23:09

General

  • Target

    doc_pack-646092147.xls

  • Size

    62KB

  • MD5

    247a2445928dd11899f08c55944aa3a2

  • SHA1

    a19d61a1da78c4fe3644fe403919083e2286d22c

  • SHA256

    77958f5af99cee4ddad0673e76cec9941775f2c4586a0a6bfada9f5d2b242157

  • SHA512

    0909de9c596f739cb45308c3c3463d8f421655f3e22c8a6224391e08e6d5175abb8c9cef6e4974a3482704c157f3fe2a8386264b68a12e65623f8f1c1be52173

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-646092147.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:3920
    • 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 4424
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:2672
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4424
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2864

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2864-6-0x000001B1B9F00000-0x000001B1B9F01000-memory.dmp

    Filesize

    4KB

  • memory/2864-7-0x000001B1B9F00000-0x000001B1B9F01000-memory.dmp

    Filesize

    4KB

  • memory/2864-9-0x000001B1BA6A0000-0x000001B1BA6A1000-memory.dmp

    Filesize

    4KB

  • memory/2864-12-0x000001B1BAAA0000-0x000001B1BAAA1000-memory.dmp

    Filesize

    4KB

  • memory/2864-14-0x000001B1BA9C0000-0x000001B1BA9C1000-memory.dmp

    Filesize

    4KB

  • memory/2864-15-0x000001B1BA9C0000-0x000001B1BA9C1000-memory.dmp

    Filesize

    4KB

  • memory/2864-16-0x000001B1BA9C0000-0x000001B1BA9C1000-memory.dmp

    Filesize

    4KB

  • memory/3920-0-0x00007FFD040D0000-0x00007FFD04796000-memory.dmp

    Filesize

    6.8MB