Analysis

  • max time kernel
    137s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 07:07

General

  • Target

    S-INV-BROOKSTRO1-476006.doc

  • Size

    92KB

  • MD5

    b7bb1381da652290534605e5254361bd

  • SHA1

    2047787498e75f90141cf3b243e3f1ad52501089

  • SHA256

    94e9965cc66ca20e1ae3ed4f1c74159be6552ee9045b26f2c89ad5e5fa10626f

  • SHA512

    5ae7a322d5156b07fa925e78fb2314b75d33517acebbec804bc60d99827d946039d25b3f6255ed96a37a9c8f6c365b2b4f1f6701985cad7e09b621e991ff95dc

  • SSDEEP

    768:LsJgq1SnsblZc9TBFOHKHbNCIN5IZJ0i1yJctQrBwG2vJE9A/QgaltcF7ct9gYiK:Hq1SnmLrSbN3+J0H4vJHogqtbO7svdB

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\S-INV-BROOKSTRO1-476006.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:1364

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1364-169-0x0000000000000000-mapping.dmp
    • memory/1612-74-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-62-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-57-0x00000000712ED000-0x00000000712F8000-memory.dmp
      Filesize

      44KB

    • memory/1612-75-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-59-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-77-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-61-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-76-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-64-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-63-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-65-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-66-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-67-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-68-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-70-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-69-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-71-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-72-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-73-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-54-0x0000000072881000-0x0000000072884000-memory.dmp
      Filesize

      12KB

    • memory/1612-58-0x0000000076681000-0x0000000076683000-memory.dmp
      Filesize

      8KB

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

      64KB

    • memory/1612-60-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-78-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-81-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-82-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-80-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-79-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-86-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-85-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-84-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-83-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-89-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-90-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-88-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-87-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-91-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-99-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-107-0x0000000000774000-0x0000000000778000-memory.dmp
      Filesize

      16KB

    • memory/1612-146-0x00000000712ED000-0x00000000712F8000-memory.dmp
      Filesize

      44KB

    • memory/1612-55-0x0000000070301000-0x0000000070303000-memory.dmp
      Filesize

      8KB