Analysis

  • max time kernel
    144s
  • max time network
    50s
  • 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/K4ĿɱĶԱȼ.xlsx

  • Size

    20KB

  • MD5

    533f04dc35371b3561b7e4d10fc22ed1

  • SHA1

    b6a4b9f0f642c36a3e88806d19150d299b0cc27b

  • SHA256

    0038abade2b805ab94689752e8ae15cf99dcc9aba5acdf74c77502a89bcee2bd

  • SHA512

    74eb3fd57191571ed843db53565c82db7b4412e0745f59ad1c6dc6f4542fbe3b1268ffcd13d8b57ae4f461aa2bf09162b861ef0acc22ea6772521f6f50346000

  • SSDEEP

    384:x5TxQRP5fyHzgnEUUzRoyeQGJVJUDMEtdmiGe98U5vnbXozP:LTaRPgHz3ddoyRGZUDjtdJKgvnboT

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\Ҵֱ20%ϵ\K4ĿɱĶԱȼ.xlsx
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1288
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1532

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1288-54-0x000000002F781000-0x000000002F784000-memory.dmp
      Filesize

      12KB

    • memory/1288-55-0x0000000071AB1000-0x0000000071AB3000-memory.dmp
      Filesize

      8KB

    • memory/1288-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1288-57-0x0000000072A9D000-0x0000000072AA8000-memory.dmp
      Filesize

      44KB

    • memory/1288-58-0x00000000762E1000-0x00000000762E3000-memory.dmp
      Filesize

      8KB

    • memory/1288-61-0x0000000072A9D000-0x0000000072AA8000-memory.dmp
      Filesize

      44KB

    • memory/1288-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1288-63-0x0000000072A9D000-0x0000000072AA8000-memory.dmp
      Filesize

      44KB

    • memory/1532-59-0x0000000000000000-mapping.dmp
    • memory/1532-60-0x000007FEFC211000-0x000007FEFC213000-memory.dmp
      Filesize

      8KB