Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08-04-2024 01:13

General

  • Target

    Challenge_FIles/Employee_W2_Form.docx

  • Size

    12KB

  • MD5

    45e7d6562bfddb816d45649dd667abde

  • SHA1

    00087e46ec0ef6225de59868fd016bd9dd77fa3c

  • SHA256

    679bbe0c50754853978a3a583505ebb99bce720cf26a6aaf8be06cd879701ff1

  • SHA512

    0567873b42eece93787da4f4c3b72ecb0d952450d8eb59b354a5f91ed95395a2662171e05cdcf4a829fdbd0b5cbcca97701fef9b96b1ad0d8728922bbd0288fa

  • SSDEEP

    192:f6ijVmar18H111M05AgPekrFD2h0vsmyVk7PeOJ2wc3rMKkokceeQh:f6ijca6H111/eo1hvsHieIhoseQh

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
  • NTFS ADS 1 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\Challenge_FIles\Employee_W2_Form.docx"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2340
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2656

    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

      de544e9254c07509d2133a99d6726e68

      SHA1

      fae96868fffc843e40af4472496e5180e656b0ce

      SHA256

      377cff85f653ab261f2d18bb31e0d4c06dcc4716549566a91639633e2bf847aa

      SHA512

      dec5e0b4b66242aa906fa57b193de70f976b1f7024dd6587580753b1aebdb28743731cbfedd481d40c276d0db63ab8b7ccde231bad805a204aa8b63738d1405c

    • memory/2340-0-0x000000002FC41000-0x000000002FC42000-memory.dmp

      Filesize

      4KB

    • memory/2340-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2340-2-0x0000000070D1D000-0x0000000070D28000-memory.dmp

      Filesize

      44KB

    • memory/2340-11-0x0000000070D1D000-0x0000000070D28000-memory.dmp

      Filesize

      44KB

    • memory/2340-32-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB