Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    07/01/2024, 19:18

General

  • Target

    a1e8645fb3c3c69c56173e9348c10c51.docx

  • Size

    10KB

  • MD5

    a1e8645fb3c3c69c56173e9348c10c51

  • SHA1

    0d2043cc21272754db8d541d485f74a69120ae68

  • SHA256

    70071a594284be3aef1916090c8c65d4c84e80ed2ec465817a3dcef53be06970

  • SHA512

    75ec1db9cf587043fac7ed3750338abbc1f3174e68479f15a6c86a57e8d6506d86501f8a8ef3977db67b450807afb94fe2721c840522132e858af28fca9a98ea

  • SSDEEP

    192:ScIMmtPVG/bD1YafOO/gb5SEzBC4vNqW603Tp:SPX4D1YLO/Khlqat

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
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\a1e8645fb3c3c69c56173e9348c10c51.docx"
    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 AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2416
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:3000

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B6EJLQWX\1e1c9[1].htm

      Filesize

      1KB

      MD5

      7b7c621f3a9053509c41279e0634aae4

      SHA1

      08198462a8e6c4e466d7ba391820dbc2851f317e

      SHA256

      3995640339709ba979ade089f2f22583cdf8146b1b3731c1f2a7d00a1d9d1fd2

      SHA512

      fe17ffdd6deab8449b0bc38b781220232c54b1a25e0738026f6b0bbdd8484e5039ddcab96fdf0c8dfb3ef813922f38934970d468258eb05304e2509ca871d328

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

      Filesize

      20KB

      MD5

      d14320501afc89dcbde9e8e183ab15f5

      SHA1

      74f7740c85f108b499a2792240c2b3e8a2f31531

      SHA256

      62c5cf961dc15ea118ff1733a7c36ba8eff9328dfebca817e5ccf05dcd62d62b

      SHA512

      984c528df6985a493d67a7dfcefeac8e7d14568ff1454986208693f4a9e9cbb2378e080011d1109c3d9adc53a55a2edeceffc9f3ae0a7a21029509a029dd6900

    • memory/2416-0-0x000000002F711000-0x000000002F712000-memory.dmp

      Filesize

      4KB

    • memory/2416-2-0x000000007152D000-0x0000000071538000-memory.dmp

      Filesize

      44KB

    • memory/2416-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2416-62-0x000000007152D000-0x0000000071538000-memory.dmp

      Filesize

      44KB

    • memory/2416-128-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2416-129-0x000000007152D000-0x0000000071538000-memory.dmp

      Filesize

      44KB