Analysis

  • max time kernel
    105s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    21-10-2022 09:39

General

  • Target

    附件1_資通系統防護基準檢核表.docx

  • Size

    81KB

  • MD5

    6e7637c5aa125bac7be013dc9207d48d

  • SHA1

    907cb6c94b1ba4b38ae4b1129a66b688803f8d00

  • SHA256

    39aff2497a64b7e48c32b34ed1dd169609a50d44c02ef9b1f0406684c996aa65

  • SHA512

    caf2246479fd7405121bd134bc614ef96adb4781e0f3d79bbf3f73c1f21a8e00001a7356becc5fe1e7fc8f80679587a927002ea9b54797f3e6fc06dd0cfbf255

  • SSDEEP

    1536:3HFjOZFUH4Yz7VoAKwp9kopSOv6qZuRX8+2K5cfj5hKGu7zKG:1jwUZXVoAKg1lv6FV8+2Ktf7zJ

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\附件1_資通系統防護基準檢核表.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:1104
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:432

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/432-58-0x0000000000000000-mapping.dmp
    • memory/432-60-0x000007FEFBDB1000-0x000007FEFBDB3000-memory.dmp
      Filesize

      8KB

    • memory/1104-54-0x00000000728A1000-0x00000000728A4000-memory.dmp
      Filesize

      12KB

    • memory/1104-55-0x0000000070321000-0x0000000070323000-memory.dmp
      Filesize

      8KB

    • memory/1104-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1104-57-0x0000000075BB1000-0x0000000075BB3000-memory.dmp
      Filesize

      8KB

    • memory/1104-59-0x000000007130D000-0x0000000071318000-memory.dmp
      Filesize

      44KB

    • memory/1104-61-0x000000007130D000-0x0000000071318000-memory.dmp
      Filesize

      44KB

    • memory/1104-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB