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Analysis

  • max time kernel
    175s
  • max time network
    188s
  • 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, 05:45

General

  • Target

    2a8ad569d0f6d94fb0f51fb3ff2091df.xls

  • Size

    36KB

  • MD5

    2a8ad569d0f6d94fb0f51fb3ff2091df

  • SHA1

    8fe2a7382f5ac76ee393cfa4c6fd09342ab9e8e8

  • SHA256

    62bfcfccce59854a16e8817060b75c86977c900043958a9eebeeb9bf51877579

  • SHA512

    2863e22f71097fc253284267d13743d10a8cce805ad1e4dad5cf306fd680cc2232a70d7204c21edece890d66f91dac122f22bdfe87251935f516a89063f63382

  • SSDEEP

    768:lPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJB9O83LGUrZLI1fdXX:Nok3hbdlylKsgqopeJBWhZFGkE+cL2N7

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 2 IoCs
  • Suspicious use of SetWindowsHookEx 14 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\2a8ad569d0f6d94fb0f51fb3ff2091df.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:920
    • C:\Windows\explorer.exe
      explorer.exe C:\Users\Public\Documents\cTyJWv.vbs
      2⤵
      • Process spawned unexpected child process
      PID:2552
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3636
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\cTyJWv.vbs"
      2⤵
        PID:2484

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      550B

      MD5

      2073c9c2b52021801934f01a2004be05

      SHA1

      e660ee134d355cd8325b21b71669de14a6b783c5

      SHA256

      1b3ce14316a8b9619840141cceef98a0ad951b70a504f3b5486783b5aa301dde

      SHA512

      aa38a26944ffd0c84cf402e0897d112c787d3647919670270627c4c082ebdba7f3ea2766ffe9c2fce6920ec14771945498cb817442ba7bb6d96c416986f4cf11

    • memory/920-14-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

      Filesize

      2.0MB

    • memory/920-18-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

      Filesize

      2.0MB

    • memory/920-4-0x00007FF8DAE30000-0x00007FF8DAE40000-memory.dmp

      Filesize

      64KB

    • memory/920-3-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

      Filesize

      2.0MB

    • memory/920-5-0x00007FF8DAE30000-0x00007FF8DAE40000-memory.dmp

      Filesize

      64KB

    • memory/920-6-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

      Filesize

      2.0MB

    • memory/920-7-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

      Filesize

      2.0MB

    • memory/920-9-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

      Filesize

      2.0MB

    • memory/920-11-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

      Filesize

      2.0MB

    • memory/920-10-0x00007FF8D8BC0000-0x00007FF8D8BD0000-memory.dmp

      Filesize

      64KB

    • memory/920-13-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

      Filesize

      2.0MB

    • memory/920-0-0x00007FF8DAE30000-0x00007FF8DAE40000-memory.dmp

      Filesize

      64KB

    • memory/920-2-0x00007FF8DAE30000-0x00007FF8DAE40000-memory.dmp

      Filesize

      64KB

    • memory/920-17-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

      Filesize

      2.0MB

    • memory/920-15-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

      Filesize

      2.0MB

    • memory/920-12-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

      Filesize

      2.0MB

    • memory/920-19-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

      Filesize

      2.0MB

    • memory/920-20-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

      Filesize

      2.0MB

    • memory/920-22-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

      Filesize

      2.0MB

    • memory/920-21-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

      Filesize

      2.0MB

    • memory/920-23-0x00007FF8D8BC0000-0x00007FF8D8BD0000-memory.dmp

      Filesize

      64KB

    • memory/920-16-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

      Filesize

      2.0MB

    • memory/920-8-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

      Filesize

      2.0MB

    • memory/920-1-0x00007FF8DAE30000-0x00007FF8DAE40000-memory.dmp

      Filesize

      64KB

    • memory/920-35-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

      Filesize

      2.0MB