Analysis

  • max time kernel
    100s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25/10/2022, 11:54

General

  • Target
    2022.10.25 diary file2 - Rs[/0059M.Inoue4-2 25-2Oct2022.docx
  • Size 12KB
  • Sample221025-n3bkpscfar
  • SHA256 1c99628037ee2efbcf0b20666fa803238f85b3d7972af99946178b227a113c6a
  • MD5 SHA1 SHA512 SSDEEP
Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 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\2022.10.25 diary file2 - Rs[\0059M.Inoue4-2 25-2Oct2022.docx"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1676

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/1652-54-0x0000000072581000-0x0000000072584000-memory.dmp

          memory/1652-55-0x0000000070001000-0x0000000070003000-memory.dmp

          memory/1652-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

          memory/1652-57-0x0000000076041000-0x0000000076043000-memory.dmp

          memory/1652-58-0x0000000070FED000-0x0000000070FF8000-memory.dmp

          memory/1652-61-0x0000000070FED000-0x0000000070FF8000-memory.dmp

          memory/1652-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

          memory/1652-63-0x0000000070FED000-0x0000000070FF8000-memory.dmp

          memory/1676-60-0x000007FEFBB81000-0x000007FEFBB83000-memory.dmp