Analysis

  • max time kernel
    143s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    15-02-2023 09:52

General

  • Target

    Payment.docx

  • Size

    10KB

  • MD5

    8d85d75b8789542275b8c85e25e04a32

  • SHA1

    f41f9fa9dc5cc1dbea292c1df3e8d782e4e794a6

  • SHA256

    a99b1a18139506f5cf6a7dcaa6715090381720ace26899d4b664ec00ea95cac2

  • SHA512

    0de62e75ed1154bd556a245b0bd84817da5d9cde2c63683fd3d09ff80748c56b3565a8c6d0825ef1b76204f9ba9191a57aea37fcb69381351112bf66de17c6d5

  • SSDEEP

    192:ScIMmtP5hG/b7XN+eOb3O+5+5F7Jar/YEChI32x:SPXRE7XtOj7wtar/YECOy

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 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\Payment.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 SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1244
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:624

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/624-59-0x0000000000000000-mapping.dmp
    • memory/624-60-0x000007FEFC2B1000-0x000007FEFC2B3000-memory.dmp
      Filesize

      8KB

    • memory/1244-54-0x0000000072DA1000-0x0000000072DA4000-memory.dmp
      Filesize

      12KB

    • memory/1244-55-0x0000000070821000-0x0000000070823000-memory.dmp
      Filesize

      8KB

    • memory/1244-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1244-57-0x0000000076AE1000-0x0000000076AE3000-memory.dmp
      Filesize

      8KB

    • memory/1244-58-0x000000007180D000-0x0000000071818000-memory.dmp
      Filesize

      44KB