Analysis

  • max time kernel
    126s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 18:23

General

  • Target

    编审说明.doc

  • Size

    22KB

  • MD5

    e575841bdf52cda69edc53d4824d5fd6

  • SHA1

    1906d59fe2d6614bac44db6f6fae21639f2f60f7

  • SHA256

    9af39ce86f0a21d7598792fd2135bf33d8b05b3aa7687a52467d73292c471fd9

  • SHA512

    0b4e48a54b1aa4fb526329ef670849f1cce7f4f8681ca17d55138ba2e6336dd6df00d2250cd185f5897fbaedf24777682fd4f098873950eb94a5860f47cb89c1

  • SSDEEP

    96:ivbbvbEbbDbbsCIGFV2ZwOBfWXsgGKckqASr6grHVsV9xp+5wF/dueTz:5HV2tf3gvlDhgJsC5Gp

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\编审说明.doc"
    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:1612
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:328

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/328-59-0x0000000000000000-mapping.dmp
    • memory/328-60-0x000007FEFB7B1000-0x000007FEFB7B3000-memory.dmp
      Filesize

      8KB

    • memory/1612-54-0x00000000722A1000-0x00000000722A4000-memory.dmp
      Filesize

      12KB

    • memory/1612-55-0x000000006FD21000-0x000000006FD23000-memory.dmp
      Filesize

      8KB

    • memory/1612-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1612-57-0x0000000075C81000-0x0000000075C83000-memory.dmp
      Filesize

      8KB

    • memory/1612-58-0x0000000070D0D000-0x0000000070D18000-memory.dmp
      Filesize

      44KB

    • memory/1612-61-0x0000000070D0D000-0x0000000070D18000-memory.dmp
      Filesize

      44KB

    • memory/1612-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1612-63-0x0000000070D0D000-0x0000000070D18000-memory.dmp
      Filesize

      44KB