Analysis

  • max time kernel
    107s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2023 00:49

General

  • Target

    attachment-2.rtf

  • Size

    53KB

  • MD5

    c687546d381618badd2235c060102bc7

  • SHA1

    c00927e1acbf14aecba350f6008d4a00a1f6dbe7

  • SHA256

    c1efa5f2233e6e560329ee1cd6e0e2b986553ed2346cd002ab442bf213c9134f

  • SHA512

    b82e0cc2b5c0ae9f83bb0e1fd10c7a1121626d54a56e095f0c9e19e286750cf91f96799f0ee9553796b96f2f62f2e13adcc8403476feb9edbb9d1794a35712cf

  • SSDEEP

    384:D9Y8jl7bybzvdHHIwblYS6hTxD4zu4zA4z8CiDXf7GiKZtfFwBXU3qlurXrKFtbk:C8AK8zZzHz1ivU9RWFm

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\attachment-2.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:2676
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2168

    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

      b6796443d5ec4483c80b994be09e48cb

      SHA1

      e16a83bdba04c6665e2ad44dac9bfe3c925b658e

      SHA256

      af626f6a6f0bc598712d02f55674b16df04e5273d623f21fbabb7bc069741dfa

      SHA512

      2696d7af1f9ca3ef3acf74ff6b7627b77d93393e779410f64399bf3c80f18fa80563e60bd927734cf3929458e651a6aea62b5ee95a170d45216fc9dbca98b01d

    • memory/2676-0-0x000000002F071000-0x000000002F072000-memory.dmp

      Filesize

      4KB

    • memory/2676-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2676-2-0x000000007127D000-0x0000000071288000-memory.dmp

      Filesize

      44KB

    • memory/2676-11-0x000000007127D000-0x0000000071288000-memory.dmp

      Filesize

      44KB

    • memory/2676-29-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB