Analysis

  • max time kernel
    106s
  • max time network
    111s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 15:52

General

  • Target

    1e342367.docx

  • Size

    10KB

  • MD5

    9eefb8db584c11ca27ba0330b4139b24

  • SHA1

    c90afcf05e26a2eb46aece4c26743b8ebf0f53f9

  • SHA256

    1e34236791ab7803d6f5fb1328c09498620f1dfd07bb05de3ca786365c3f0098

  • SHA512

    b16a014114bee8a91256cef3400d1248025327f6c07e05aeaea2cc9082c1651a556b229ffe0cc2a9a00ef8471129dcc8ac61b1e8e29a8942c5cd810b95fceb83

  • SSDEEP

    192:ScIMmtPqCJuEG/bBLgOqDhz2ru5JhBH3OR:SPXyJTJgOqgaJrq

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\1e342367.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:1196
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1540

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1196-54-0x0000000072131000-0x0000000072134000-memory.dmp

      Filesize

      12KB

    • memory/1196-55-0x000000006FBB1000-0x000000006FBB3000-memory.dmp

      Filesize

      8KB

    • memory/1196-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1196-57-0x0000000074E41000-0x0000000074E43000-memory.dmp

      Filesize

      8KB

    • memory/1196-58-0x0000000070B9D000-0x0000000070BA8000-memory.dmp

      Filesize

      44KB

    • memory/1196-59-0x0000000070B9D000-0x0000000070BA8000-memory.dmp

      Filesize

      44KB

    • memory/1196-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1196-63-0x0000000070B9D000-0x0000000070BA8000-memory.dmp

      Filesize

      44KB

    • memory/1540-60-0x0000000000000000-mapping.dmp

    • memory/1540-61-0x000007FEFB641000-0x000007FEFB643000-memory.dmp

      Filesize

      8KB