Analysis

  • max time kernel
    100s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 19:26

General

  • Target

    Ҵֱ20%ϵ/߲/ïK4ؿA1~.doc

  • Size

    18KB

  • MD5

    3bb6e29813b6bdafebef9accf67cee71

  • SHA1

    4a4aa993c42db08006af3c1281f8f09afa4021d7

  • SHA256

    83ef90870a93096d584ecff18e1096013965c95f8c138de2cf82a822d5245ddc

  • SHA512

    ee13879b13c91c9af8cb0fcac763a7f3c1c68bb57f149283ff58ac24a94f3ef2fd21c1811675923afb8760f45df401052a0b4660b40bf3ed47448e11a8f84247

  • SSDEEP

    192:y4Q5o7CS9nt3g1sEkV6OkXC/I/ch9Q0rHhw888j/Hh////Hh//////Q0x0//VhHk:CG7CS/3gyLxkXCVqyarfMVH

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\Ҵֱ20%ϵ\߲\ïK4ؿA1~.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:1396
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1720

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1396-54-0x00000000720D1000-0x00000000720D4000-memory.dmp
      Filesize

      12KB

    • memory/1396-55-0x000000006FB51000-0x000000006FB53000-memory.dmp
      Filesize

      8KB

    • memory/1396-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1396-57-0x00000000752B1000-0x00000000752B3000-memory.dmp
      Filesize

      8KB

    • memory/1396-58-0x0000000070B3D000-0x0000000070B48000-memory.dmp
      Filesize

      44KB

    • memory/1396-59-0x0000000070B3D000-0x0000000070B48000-memory.dmp
      Filesize

      44KB

    • memory/1396-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1396-63-0x0000000070B3D000-0x0000000070B48000-memory.dmp
      Filesize

      44KB

    • memory/1720-60-0x0000000000000000-mapping.dmp
    • memory/1720-61-0x000007FEFB781000-0x000007FEFB783000-memory.dmp
      Filesize

      8KB