Analysis

  • max time kernel
    105s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    23/04/2023, 08:32

General

  • Target

    04.doc

  • Size

    535.4MB

  • MD5

    48f83c14cd1c0e8b489debe3abb775f0

  • SHA1

    11e47c1a2a3f3fe91c441aa2f36cbf51fc07699b

  • SHA256

    ca4ab4f529ab30ec729e6cddc2b1fc22614d179462c50a7d0eb5c3602a4cf8dd

  • SHA512

    374d63076edc5af7360df8b7fba1858085c1205365238584ad56eb4fe5a25b34e86b58e94e93f038e4602338db6cf0c242721ad1bd1b2efeadcb3f9441280244

  • SSDEEP

    6144:zZRtBPT4N/uQaNULlPUvauNTklB7ShcbYdFf8UOPv:zZvJhfKd2amwYdKUq

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
  • Script User-Agent 9 IoCs

    Uses user-agent string associated with script host/environment.

  • 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\04.doc"
    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:944
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2000

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      20KB

      MD5

      8901e43ca7c98f8696220ab1fc3e1c8f

      SHA1

      9ba2b6e65436652bc469e4d6b344c1103c13c834

      SHA256

      baf3a1380fcf287795f5cd943f7c70413f05b2eb61e768ba88bf2c4c81557f46

      SHA512

      3f2886a7cb58fcfa2892c33b03f627710d6931b1f2bbc036cd601c14dbb9668eae5f657c1b7a8fcce548274a757e816fbbef2f5d9e371bba8f8edb8e3517029d

    • memory/944-79-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-73-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-61-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-58-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-63-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-64-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-65-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-66-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-62-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-67-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-68-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-69-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-70-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-85-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-72-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-83-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-74-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-75-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-76-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-77-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-78-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/944-60-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-80-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-71-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-87-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-86-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-88-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-84-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-82-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-81-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-89-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-90-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-91-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-92-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-93-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-94-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-96-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-95-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-98-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-100-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-99-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-97-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-101-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB

    • memory/944-59-0x0000000000430000-0x0000000000530000-memory.dmp

      Filesize

      1024KB