Analysis

  • max time kernel
    143s
  • max time network
    193s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2022 19:12

General

  • Target

    f7f48e5e7b123e98e0d5e0f391d0583a1b56e50dac27e83d5077ef254fbbef52.docx

  • Size

    11KB

  • MD5

    3b5ae796163ea0c6e09d58ec9582137e

  • SHA1

    869de66274f814c70152151ce63287451e418899

  • SHA256

    f7f48e5e7b123e98e0d5e0f391d0583a1b56e50dac27e83d5077ef254fbbef52

  • SHA512

    24c10248db5aac0b75c3bfad8765224d13fae32251e3701426986002f54ded6510541df34cdc2411e069cadfd44ee074d50158910d97ae452482cca46fe9d806

  • SSDEEP

    192:CtNCWUyn0i13pNXqkOcPiYFLwzvdX6Ptpwjnw+umHBCy+V5:aNxUyn0i13LROEiOLkX6Ujnw+3EV5

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\f7f48e5e7b123e98e0d5e0f391d0583a1b56e50dac27e83d5077ef254fbbef52.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:976
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1148

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/976-54-0x0000000072A71000-0x0000000072A74000-memory.dmp
      Filesize

      12KB

    • memory/976-55-0x00000000704F1000-0x00000000704F3000-memory.dmp
      Filesize

      8KB

    • memory/976-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/976-57-0x0000000075761000-0x0000000075763000-memory.dmp
      Filesize

      8KB

    • memory/976-58-0x00000000714DD000-0x00000000714E8000-memory.dmp
      Filesize

      44KB

    • memory/976-59-0x00000000714DD000-0x00000000714E8000-memory.dmp
      Filesize

      44KB

    • memory/976-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/976-63-0x00000000714DD000-0x00000000714E8000-memory.dmp
      Filesize

      44KB

    • memory/1148-60-0x0000000000000000-mapping.dmp
    • memory/1148-61-0x000007FEFBF81000-0x000007FEFBF83000-memory.dmp
      Filesize

      8KB