Analysis

  • max time kernel
    102s
  • max time network
    105s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    02-02-2023 14:54

General

  • Target

    990de0b3eec5caed36cf4e98440c8fff03d02a53cec1a8a37f03416dd0454ca8.docx

  • Size

    10KB

  • MD5

    d18fcb5e6f0798b2f08f8c8d917598e0

  • SHA1

    be69281e9f8869d90298fa4cb777b6d9879c4842

  • SHA256

    990de0b3eec5caed36cf4e98440c8fff03d02a53cec1a8a37f03416dd0454ca8

  • SHA512

    fef867ab8a0fe09ddcc04d7049d464d5a15ac5b6fa851433450402b5cfaefec483fbf4d998603b2f067570111e5176312a7a6d4576fa370e9f698553b4926cae

  • SSDEEP

    192:ScIMmtP5hG/b7XN+eOzO+5+5F7Jar/YEChI3ahV:SPXRE7XtOz7wtar/YECOE

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\990de0b3eec5caed36cf4e98440c8fff03d02a53cec1a8a37f03416dd0454ca8.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:1944
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:772

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/772-59-0x0000000000000000-mapping.dmp
    • memory/772-60-0x000007FEFB641000-0x000007FEFB643000-memory.dmp
      Filesize

      8KB

    • memory/1944-54-0x00000000721E1000-0x00000000721E4000-memory.dmp
      Filesize

      12KB

    • memory/1944-55-0x000000006FC61000-0x000000006FC63000-memory.dmp
      Filesize

      8KB

    • memory/1944-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1944-57-0x0000000074DA1000-0x0000000074DA3000-memory.dmp
      Filesize

      8KB

    • memory/1944-58-0x0000000070C4D000-0x0000000070C58000-memory.dmp
      Filesize

      44KB

    • memory/1944-61-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1944-62-0x0000000070C4D000-0x0000000070C58000-memory.dmp
      Filesize

      44KB