Analysis

  • max time kernel
    105s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 19:23

General

  • Target

    体系/内部审核不符合报告/NO-004不符合项报告.rtf

  • Size

    43KB

  • MD5

    e454b351984bee4ba55aa6c92eb57eb4

  • SHA1

    77a566b7312771048c259c77625061fb3b08c6fe

  • SHA256

    01b76a0fa51dbe1a982c6f0bd87eb550e7b2ea45a006b369cd1f89ad069bcb58

  • SHA512

    c7e85899764cf56f6cb5983508cad0a3346613cc8b9aa2bc92675a6458da9a9a33cbdf1b7a3c8dc3af7f181bc1839493b265a60f64922091ec77d52bad8888f3

  • SSDEEP

    768:x06oJvmO2G5zKfX2NUoG9CzAZjLIKzQFkDB7awAbeQY2UVKTcj9sKf/LXAeAaeAT:d9La1m

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\体系\内部审核不符合报告\NO-004不符合项报告.rtf"
    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:1460
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:672

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/672-58-0x0000000000000000-mapping.dmp
    • memory/672-59-0x000007FEFBC31000-0x000007FEFBC33000-memory.dmp
      Filesize

      8KB

    • memory/1460-54-0x0000000072721000-0x0000000072724000-memory.dmp
      Filesize

      12KB

    • memory/1460-55-0x00000000701A1000-0x00000000701A3000-memory.dmp
      Filesize

      8KB

    • memory/1460-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1460-57-0x0000000075FE1000-0x0000000075FE3000-memory.dmp
      Filesize

      8KB

    • memory/1460-60-0x000000007118D000-0x0000000071198000-memory.dmp
      Filesize

      44KB

    • memory/1460-61-0x000000007118D000-0x0000000071198000-memory.dmp
      Filesize

      44KB

    • memory/1460-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1460-63-0x000000007118D000-0x0000000071198000-memory.dmp
      Filesize

      44KB