Analysis

  • max time kernel
    10s
  • max time network
    131s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    20/10/2020, 23:07

General

  • Target

    doc_pack-694290980.xls

  • Size

    62KB

  • MD5

    9cc27bdf23fcc0ae1e298b61f481bbe5

  • SHA1

    e8abbf1dcc6ce84204fb7b191072794d5c8a00cb

  • SHA256

    2c3d1adbd77046dd2842c3fe5a495751ba2bd8600b32e77ac68afa616d6bf9aa

  • SHA512

    957f88b2e1120744c00260afafeb50b836b261384bccb805cd4984a44e08755cd513df2d43c9600b1f59c3be7459b5967273f8f34bb4cd53c499ddd32088aa15

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-694290980.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:3884
    • 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 4452
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:2892
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4452
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2040

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2040-5-0x0000010DC76B0000-0x0000010DC76B1000-memory.dmp

    Filesize

    4KB

  • memory/2040-6-0x0000010DC76B0000-0x0000010DC76B1000-memory.dmp

    Filesize

    4KB

  • memory/2040-8-0x0000010DC7D70000-0x0000010DC7D71000-memory.dmp

    Filesize

    4KB

  • memory/2040-11-0x0000010DC8170000-0x0000010DC8171000-memory.dmp

    Filesize

    4KB

  • memory/2040-13-0x0000010DC8170000-0x0000010DC8171000-memory.dmp

    Filesize

    4KB

  • memory/2040-15-0x0000010DC8020000-0x0000010DC8021000-memory.dmp

    Filesize

    4KB

  • memory/2040-16-0x0000010DC8020000-0x0000010DC8021000-memory.dmp

    Filesize

    4KB

  • memory/2040-17-0x0000010DC8020000-0x0000010DC8021000-memory.dmp

    Filesize

    4KB

  • memory/2040-18-0x0000010DC7CB0000-0x0000010DC7CB1000-memory.dmp

    Filesize

    4KB

  • memory/3884-0-0x00007FFD5C950000-0x00007FFD5D016000-memory.dmp

    Filesize

    6.8MB