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Analysis

  • max time kernel
    184s
  • max time network
    197s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 02:59

General

  • Target

    257ef29694b6cacae069bd75949c2188.xls

  • Size

    36KB

  • MD5

    257ef29694b6cacae069bd75949c2188

  • SHA1

    249d7ba7e0305068775a1384a655d63783cff73b

  • SHA256

    5231dfe143f97d1bd4767f950f83f2ede4ce30369d3be75c16c39f178d726049

  • SHA512

    7b90a8d1ef3f7918008bd9d503c381c385c68f41d766a34786c4ec131dbc34a53f686433245a6104a17119e49dffaa68ae66ccb30afdf6c67a3b11f519c2e6e3

  • SSDEEP

    768:0PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJlnShuNU4h3H0X:wok3hbdlylKsgqopeJBWhZFGkE+cL2NT

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 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 4 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\257ef29694b6cacae069bd75949c2188.xls"
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4248
    • 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 2232
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:2360
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 2232
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        PID:2296

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2360-31-0x00007FF9B22D0000-0x00007FF9B24C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2360-27-0x00007FF972350000-0x00007FF972360000-memory.dmp

    Filesize

    64KB

  • memory/2360-33-0x00007FF9B22D0000-0x00007FF9B24C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2360-28-0x00007FF972350000-0x00007FF972360000-memory.dmp

    Filesize

    64KB

  • memory/2360-32-0x00007FF9B22D0000-0x00007FF9B24C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2360-30-0x00007FF972350000-0x00007FF972360000-memory.dmp

    Filesize

    64KB

  • memory/2360-29-0x00007FF9B22D0000-0x00007FF9B24C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2360-18-0x00007FF9B22D0000-0x00007FF9B24C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2360-26-0x00007FF972350000-0x00007FF972360000-memory.dmp

    Filesize

    64KB

  • memory/2360-19-0x00007FF9B22D0000-0x00007FF9B24C5000-memory.dmp

    Filesize

    2.0MB

  • memory/2360-17-0x00007FF9B22D0000-0x00007FF9B24C5000-memory.dmp

    Filesize

    2.0MB

  • memory/4248-11-0x00007FF96FA80000-0x00007FF96FA90000-memory.dmp

    Filesize

    64KB

  • memory/4248-6-0x00007FF972350000-0x00007FF972360000-memory.dmp

    Filesize

    64KB

  • memory/4248-2-0x00007FF972350000-0x00007FF972360000-memory.dmp

    Filesize

    64KB

  • memory/4248-8-0x00007FF9B22D0000-0x00007FF9B24C5000-memory.dmp

    Filesize

    2.0MB

  • memory/4248-9-0x00007FF9B22D0000-0x00007FF9B24C5000-memory.dmp

    Filesize

    2.0MB

  • memory/4248-7-0x00007FF9B22D0000-0x00007FF9B24C5000-memory.dmp

    Filesize

    2.0MB

  • memory/4248-10-0x00007FF96FA80000-0x00007FF96FA90000-memory.dmp

    Filesize

    64KB

  • memory/4248-0-0x00007FF972350000-0x00007FF972360000-memory.dmp

    Filesize

    64KB

  • memory/4248-5-0x00007FF9B22D0000-0x00007FF9B24C5000-memory.dmp

    Filesize

    2.0MB

  • memory/4248-3-0x00007FF972350000-0x00007FF972360000-memory.dmp

    Filesize

    64KB

  • memory/4248-4-0x00007FF9B22D0000-0x00007FF9B24C5000-memory.dmp

    Filesize

    2.0MB

  • memory/4248-1-0x00007FF972350000-0x00007FF972360000-memory.dmp

    Filesize

    64KB

  • memory/4248-34-0x00007FF9B22D0000-0x00007FF9B24C5000-memory.dmp

    Filesize

    2.0MB