Analysis

  • max time kernel
    123s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    21-10-2022 16:05

General

  • Target

    1試務公告/111試務公告.docx

  • Size

    34KB

  • MD5

    f01d389e07cba3a6eb51eaac6a0e40a2

  • SHA1

    4f712503578feb9ee0b5fdaec62e649988f207fb

  • SHA256

    d843297764fbe1a2696dd0fb034780e9cdee1231ceec7c3293f7de08f07b88d0

  • SHA512

    83a29d44d6081ec032f4b02c116377084d6942986107e3c4c9ceb515f39906ed423906ed5898408c4dcfc6fd82dbec0c49b4131fdd20db669fda360ee9e505ef

  • SSDEEP

    768:WcHpRhpJ9jGn3hXBmpkGHwsFAdZ+lZ078hN11LEO:WepRh5yn3hx12wvUH0AJ1LEO

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
  • 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\1試務公告\111試務公告.docx"
    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:1524
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:564

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/564-60-0x0000000000000000-mapping.dmp
    • memory/564-61-0x000007FEFBC31000-0x000007FEFBC33000-memory.dmp
      Filesize

      8KB

    • memory/1524-54-0x0000000072721000-0x0000000072724000-memory.dmp
      Filesize

      12KB

    • memory/1524-55-0x00000000701A1000-0x00000000701A3000-memory.dmp
      Filesize

      8KB

    • memory/1524-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1524-57-0x0000000075FE1000-0x0000000075FE3000-memory.dmp
      Filesize

      8KB

    • memory/1524-58-0x000000007118D000-0x0000000071198000-memory.dmp
      Filesize

      44KB

    • memory/1524-59-0x000000007118D000-0x0000000071198000-memory.dmp
      Filesize

      44KB

    • memory/1524-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB