Windows 7 deprecation

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Analysis

  • max time kernel
    118s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    03/02/2024, 21:07

General

  • Target

    $PLUGINSDIR/DefaultTab_license.rtf

  • Size

    14KB

  • MD5

    b97839b3cfe1f7e62ef09d5a2815ed81

  • SHA1

    e569ba28d4a88a6e23551b96b3cec0e710b99487

  • SHA256

    f2c89065a00e08202756cb383d3092b685dcec2075314f494df71bf8ec01fd11

  • SHA512

    227a2a1b5322dd183ca7463aec8613447b8670e97011e26286d2718571ca76a6206493aee2bb3c747bdd28892ee9820e3da58e3e69e0d42051e26b112aabc221

  • SSDEEP

    384:ZrPL4Pgxpgc7u2ucXCN6CCnNA9NDrclFyLkH4A2:9Og3gwu2u3N6CCnNAfAjHS

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\$PLUGINSDIR\DefaultTab_license.rtf"
    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:1940
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2848

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      20KB

      MD5

      1399a13767e687718280bbf684fede18

      SHA1

      a311aa12ff33c54470a7d762a701b4ea501b821a

      SHA256

      7647da9add69c67eefbbfc9352a5e9957f0dd2ca51d94a0e9c16393e805602ba

      SHA512

      cde77346ed37821ccb0366f0f70ba44e08cb82e8ca4dd6b51aa2440cd296bdd18d14d50d29e43d45b7bc764e05156681e12dbe3921c93bdda89cfe68a1ec15ac

    • memory/1940-0-0x000000002F481000-0x000000002F482000-memory.dmp

      Filesize

      4KB

    • memory/1940-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1940-2-0x00000000717FD000-0x0000000071808000-memory.dmp

      Filesize

      44KB

    • memory/1940-11-0x00000000717FD000-0x0000000071808000-memory.dmp

      Filesize

      44KB

    • memory/1940-29-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB