Analysis

  • max time kernel
    144s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    03-07-2024 09:07

General

  • Target

    21ce00d622877fc17ab7474e2cc53c1f_JaffaCakes118.doc

  • Size

    242KB

  • MD5

    21ce00d622877fc17ab7474e2cc53c1f

  • SHA1

    80127c722fb316526e25cb8ee8aaf2c91b314b6c

  • SHA256

    cedbcfc1e63f7b97831c6dc4a3b01be92d7223597b622fc41bfb64301a026de8

  • SHA512

    b952e8f7c2e8d8c275583d80893d26c71714889e50dc97fa2aab1f17dee2a76cb7e0edd87a5dd80721a62c7178c42c06a4bcbf56f396b5c0ef1d68ae176dc9b8

  • SSDEEP

    3072:Cvw9HXPJguq73/IKBWyfUdSiPEhXe/gvM:CvKHXPJi73wA2UHhOyM

Score
7/10

Malware Config

Signatures

  • Abuses OpenXML format to download file from external location 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\21ce00d622877fc17ab7474e2cc53c1f_JaffaCakes118.doc"
    1⤵
    • Abuses OpenXML format to download file from external location
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2880
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2568
    • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
      1⤵
      • Abuses OpenXML format to download file from external location
      • Enumerates system info in registry
      • Suspicious use of SetWindowsHookEx
      PID:2352

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\FSD-{E48DE508-D607-4C89-BE6D-F1F5BC383A39}.FSD

      Filesize

      128KB

      MD5

      cccb941735b45da1d9800bd26910a410

      SHA1

      ee3b879c0d092b26bc89420d04b2fe948318f458

      SHA256

      6f2889e3eafac591c4ef7e8643cb1feb5874247e8636d594d71046d63cbdc987

      SHA512

      c14687bc5d85c24c89dfd14df8235d8b9887b0d53653cf4154ec0fdf1566ef5b20287cf4d3e4338a7d9537f7ac8e81f2adab618418fe2e63fc4c36b3bfffd26e

    • C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-CNRY.FSD

      Filesize

      128KB

      MD5

      bfed070421096565040c3b55a015c7f0

      SHA1

      e685655bceed58b0953f65a4a480df80cf3c22c6

      SHA256

      fffbdbdc9a90984db29025fabd118259e80a0888752783098d4ee1a865b88229

      SHA512

      53c48badf64d8d162ecb8065df00efffcbe7a5c1cd54b6845df245f8528d0980d0023556f8d0c261f80a9cade0e5384acf1df95f3506909340ccfd9339c721df

    • C:\Users\Admin\AppData\Local\Temp\{C373B35D-FA25-4778-A88D-DA258830F854}

      Filesize

      128KB

      MD5

      2f8f3725182d345bc42dbbe532114063

      SHA1

      5ba3884bd613676adbe2c523e1593ad15a8389e8

      SHA256

      e677677ceb988e24bfe96b54eab1bb4ac8a2b28dba5db112d7e3c0f3de19724e

      SHA512

      f3e5e56417d26cb03276d1110a6e80c77862cd21a24a450b373a8ab268ff515a4272ce30e09398087dd7e6b112998cae4066ec28b0a07595fcc63b1ae31d2386

    • memory/2880-0-0x000000002F661000-0x000000002F662000-memory.dmp

      Filesize

      4KB

    • memory/2880-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2880-2-0x00000000716FD000-0x0000000071708000-memory.dmp

      Filesize

      44KB

    • memory/2880-11-0x00000000716FD000-0x0000000071708000-memory.dmp

      Filesize

      44KB

    • memory/2880-61-0x0000000000390000-0x0000000000490000-memory.dmp

      Filesize

      1024KB

    • memory/2880-62-0x000000000FBD0000-0x000000000FCD0000-memory.dmp

      Filesize

      1024KB

    • memory/2880-517-0x0000000000390000-0x0000000000490000-memory.dmp

      Filesize

      1024KB

    • memory/2880-518-0x000000000FBD0000-0x000000000FCD0000-memory.dmp

      Filesize

      1024KB