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Analysis

  • max time kernel
    201s
  • max time network
    206s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 04:34

General

  • Target

    54870881afd3c6637871675748ff5097.xls

  • Size

    36KB

  • MD5

    54870881afd3c6637871675748ff5097

  • SHA1

    066dfe14a8250f5bb81f265eae805b6fedd164c3

  • SHA256

    34d7c28d654c98560dda7d8c7ff7e271464c70f1ae8f80e1434cdf5f45f5fe8c

  • SHA512

    f1034d2d77731405ecededacb388a046ceec6a4dcabbaef8dfe3d8ab9402d96d6989b876cd26fce888c991117046db1c3011a814f3a457d91f04785e3cfae4d9

  • SSDEEP

    768:BPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJxQJiey1ZLT1mViqsvqNwPryV:pok3hbdlylKsgqopeJBWhZFGkE+cL2NT

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • 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
  • Modifies registry class 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 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\54870881afd3c6637871675748ff5097.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2092
    • C:\Windows\explorer.exe
      explorer.exe C:\Users\Public\Documents\w02qKn.vbs
      2⤵
      • Process spawned unexpected child process
      PID:4080
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4036
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\w02qKn.vbs"
      2⤵
        PID:1540

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Public\Documents\w02qKn.vbs

      Filesize

      577B

      MD5

      3932ac592a245105e8590bf2d9b1bcce

      SHA1

      e991ae33d3fa2a0e9974f834b4703a9c102fdfc3

      SHA256

      e4eaa9af8c323b66cca7604e622363ac630809eda6a44eaa9470ecd798270772

      SHA512

      4e81b2a6ba3ee9ded6f1264109c7415b1ea62a490d5cc9d1bdd2082687c116ee6d5e3c75ef91bbf2d0286aa6ceaaad1632ac72f86e6bd05585b8c6bf720bc8eb

    • memory/2092-9-0x00007FFFACC30000-0x00007FFFACE25000-memory.dmp

      Filesize

      2.0MB

    • memory/2092-10-0x00007FFFACC30000-0x00007FFFACE25000-memory.dmp

      Filesize

      2.0MB

    • memory/2092-5-0x00007FFFACC30000-0x00007FFFACE25000-memory.dmp

      Filesize

      2.0MB

    • memory/2092-6-0x00007FFFACC30000-0x00007FFFACE25000-memory.dmp

      Filesize

      2.0MB

    • memory/2092-4-0x00007FFF6CCB0000-0x00007FFF6CCC0000-memory.dmp

      Filesize

      64KB

    • memory/2092-7-0x00007FFF6CCB0000-0x00007FFF6CCC0000-memory.dmp

      Filesize

      64KB

    • memory/2092-8-0x00007FFF6CCB0000-0x00007FFF6CCC0000-memory.dmp

      Filesize

      64KB

    • memory/2092-0-0x00007FFF6CCB0000-0x00007FFF6CCC0000-memory.dmp

      Filesize

      64KB

    • memory/2092-3-0x00007FFF6CCB0000-0x00007FFF6CCC0000-memory.dmp

      Filesize

      64KB

    • memory/2092-11-0x00007FFFACC30000-0x00007FFFACE25000-memory.dmp

      Filesize

      2.0MB

    • memory/2092-2-0x00007FFFACC30000-0x00007FFFACE25000-memory.dmp

      Filesize

      2.0MB

    • memory/2092-12-0x00007FFF6AB40000-0x00007FFF6AB50000-memory.dmp

      Filesize

      64KB

    • memory/2092-13-0x00007FFF6AB40000-0x00007FFF6AB50000-memory.dmp

      Filesize

      64KB

    • memory/2092-15-0x00007FFFACC30000-0x00007FFFACE25000-memory.dmp

      Filesize

      2.0MB

    • memory/2092-16-0x00007FFFACC30000-0x00007FFFACE25000-memory.dmp

      Filesize

      2.0MB

    • memory/2092-17-0x00007FFFACC30000-0x00007FFFACE25000-memory.dmp

      Filesize

      2.0MB

    • memory/2092-1-0x00007FFFACC30000-0x00007FFFACE25000-memory.dmp

      Filesize

      2.0MB