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Analysis

  • max time kernel
    200s
  • max time network
    207s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/01/2023, 19:21

General

  • Target

    dd4a28eef1d2b8ea6d8a1391f476a8852e48543da3e994091427792f621716d2.xls

  • Size

    36KB

  • MD5

    ab711edecb7643f2117e7d0868e6b422

  • SHA1

    0fa97b8a42aade685bdb16a8b91cf295499607bb

  • SHA256

    dd4a28eef1d2b8ea6d8a1391f476a8852e48543da3e994091427792f621716d2

  • SHA512

    e0323885a654228457be9b39b691aefce21a4eac45695d626f69f3729e059f89f669a064d21cf501618bf1560e25b431a944c7672c7f7dfce95c31346b5b79fb

  • SSDEEP

    768:NPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJWk6phHxtHn3/IKMVHI7:lok3hbdlylKsgqopeJBWhZFGkE+cL2Nv

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 SetWindowsHookEx 16 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\dd4a28eef1d2b8ea6d8a1391f476a8852e48543da3e994091427792f621716d2.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5040
    • C:\Windows\explorer.exe
      explorer.exe C:\Users\Public\Documents\RG19XkGI.vbs
      2⤵
      • Process spawned unexpected child process
      PID:4176
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\RG19XkGI.vbs"
      2⤵
        PID:4640

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Public\Documents\RG19XkGI.vbs

      Filesize

      593B

      MD5

      6a44e9ecd3eea039e73e83e6b2380892

      SHA1

      58a952d653426b6c56a6e10aafe507b226f97efa

      SHA256

      c1a2b81ea1337c1e9e1ec4bde2732689c832d6fe7e21648a5e476d01ba74f700

      SHA512

      70361f41eb80e3bf8270bd199ae18b587881199315bc4b1688fd63a2b4ee4f0c846e2dff33133ef19135ba40621444c0180ae565b34cd9d6853044c39c4234ce

    • memory/5040-132-0x00007FFF4E310000-0x00007FFF4E320000-memory.dmp

      Filesize

      64KB

    • memory/5040-133-0x00007FFF4E310000-0x00007FFF4E320000-memory.dmp

      Filesize

      64KB

    • memory/5040-134-0x00007FFF4E310000-0x00007FFF4E320000-memory.dmp

      Filesize

      64KB

    • memory/5040-135-0x00007FFF4E310000-0x00007FFF4E320000-memory.dmp

      Filesize

      64KB

    • memory/5040-136-0x00007FFF4E310000-0x00007FFF4E320000-memory.dmp

      Filesize

      64KB

    • memory/5040-137-0x00007FFF4BB60000-0x00007FFF4BB70000-memory.dmp

      Filesize

      64KB

    • memory/5040-138-0x00007FFF4BB60000-0x00007FFF4BB70000-memory.dmp

      Filesize

      64KB