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Analysis

  • max time kernel
    172s
  • max time network
    192s
  • 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, 07:08

General

  • Target

    2cca7fb0f10195dc9a8b1f567f3712f7.xls

  • Size

    35KB

  • MD5

    2cca7fb0f10195dc9a8b1f567f3712f7

  • SHA1

    64d6a600c44317d81768976abc06ff323e50dafc

  • SHA256

    d6b02eb77ecbb4e9fb00c48dabaac1e3579a7888d3140835657fa7c4c44ec6c8

  • SHA512

    a3240dfc7b625ccfd645878966560d61f89ebb91273ea75187687a286ed36ad8b688f9a0943e94b06b5dd61a42dfc66dc3d66f099ab47866174bf74fdd4a69c3

  • SSDEEP

    768:nPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJ7iog3XW7tWiEUAQW:Pok3hbdlylKsgqopeJBWhZFGkE+cL2Np

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\2cca7fb0f10195dc9a8b1f567f3712f7.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:4752
    • C:\Windows\explorer.exe
      explorer.exe C:\Users\Public\Documents\NfC2eG0O.vbs
      2⤵
      • Process spawned unexpected child process
      PID:3708
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\NfC2eG0O.vbs"
      2⤵
        PID:4432

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4752-0-0x00007FFD133F0000-0x00007FFD13400000-memory.dmp

      Filesize

      64KB

    • memory/4752-2-0x00007FFD133F0000-0x00007FFD13400000-memory.dmp

      Filesize

      64KB

    • memory/4752-1-0x00007FFD133F0000-0x00007FFD13400000-memory.dmp

      Filesize

      64KB

    • memory/4752-4-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

      Filesize

      2.0MB

    • memory/4752-3-0x00007FFD133F0000-0x00007FFD13400000-memory.dmp

      Filesize

      64KB

    • memory/4752-5-0x00007FFD133F0000-0x00007FFD13400000-memory.dmp

      Filesize

      64KB

    • memory/4752-6-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

      Filesize

      2.0MB

    • memory/4752-7-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

      Filesize

      2.0MB

    • memory/4752-8-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

      Filesize

      2.0MB

    • memory/4752-10-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

      Filesize

      2.0MB

    • memory/4752-13-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

      Filesize

      2.0MB

    • memory/4752-12-0x00007FFD10E60000-0x00007FFD10E70000-memory.dmp

      Filesize

      64KB

    • memory/4752-14-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

      Filesize

      2.0MB

    • memory/4752-11-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

      Filesize

      2.0MB

    • memory/4752-16-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

      Filesize

      2.0MB

    • memory/4752-15-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

      Filesize

      2.0MB

    • memory/4752-18-0x00007FFD10E60000-0x00007FFD10E70000-memory.dmp

      Filesize

      64KB

    • memory/4752-20-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

      Filesize

      2.0MB

    • memory/4752-21-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

      Filesize

      2.0MB

    • memory/4752-22-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

      Filesize

      2.0MB

    • memory/4752-23-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

      Filesize

      2.0MB

    • memory/4752-19-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

      Filesize

      2.0MB

    • memory/4752-17-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

      Filesize

      2.0MB

    • memory/4752-9-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

      Filesize

      2.0MB

    • memory/4752-35-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

      Filesize

      2.0MB