Analysis

  • max time kernel
    100s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07-09-2022 11:33

General

  • Target

    c43dfda63e6e534776eb24d284d0bdf21115181b49d6e31091de795d957cb5fc.docx

  • Size

    2.0MB

  • MD5

    da8e135550156706041295e7b71ab3e5

  • SHA1

    740613f1a9062db908fb489a5d98ac2dd81a6ab8

  • SHA256

    c43dfda63e6e534776eb24d284d0bdf21115181b49d6e31091de795d957cb5fc

  • SHA512

    0be09d391a314a36ac186e0bb4f0f27cf527422b5193d8ae4cdde9a7abd81fa7e5ef61df2d8868e375f5cc5925af0bb566fc7dc54abeddbdc659ed068086dec6

  • SSDEEP

    49152:VCVcPY1uwD9nakRmfhZntuMRKs55esn3JoczpZBkB+aKm/+GYH4BV:V0ckuwJFRmpfl5IA3JJuJKm/+GYYD

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\c43dfda63e6e534776eb24d284d0bdf21115181b49d6e31091de795d957cb5fc.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:1944
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1492

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1492-61-0x000007FEFC511000-0x000007FEFC513000-memory.dmp

      Filesize

      8KB

    • memory/1944-54-0x0000000073001000-0x0000000073004000-memory.dmp

      Filesize

      12KB

    • memory/1944-55-0x0000000070A81000-0x0000000070A83000-memory.dmp

      Filesize

      8KB

    • memory/1944-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1944-57-0x0000000075CF1000-0x0000000075CF3000-memory.dmp

      Filesize

      8KB

    • memory/1944-58-0x0000000071A6D000-0x0000000071A78000-memory.dmp

      Filesize

      44KB

    • memory/1944-59-0x0000000071A6D000-0x0000000071A78000-memory.dmp

      Filesize

      44KB

    • memory/1944-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1944-63-0x0000000071A6D000-0x0000000071A78000-memory.dmp

      Filesize

      44KB