Analysis

  • max time kernel
    59s
  • max time network
    56s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-09-2024 22:13

General

  • Target

    0fb25193a2b48f9720ff5ee25da5355c54a3a805e1401d96b6de4c870dbbd3b8.xls

  • Size

    36KB

  • MD5

    88dfd7bee760f3c892eea56cf5357d36

  • SHA1

    582e3f8612f52b6623313b46e0a3d47114b19802

  • SHA256

    0fb25193a2b48f9720ff5ee25da5355c54a3a805e1401d96b6de4c870dbbd3b8

  • SHA512

    75d077274d969198dde7d01399c504c482c52f56ebd0ebccff5ce7fc68e6c55c4c278dd2fffe1b4bea61804510788a44eaed3281f802b7a3c7f24474afaa2fc9

  • SSDEEP

    768:6PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJeShw1bfnFLk2nZKV:uok3hbdlylKsgqopeJBWhZFGkE+cL2No

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\0fb25193a2b48f9720ff5ee25da5355c54a3a805e1401d96b6de4c870dbbd3b8.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2408
    • C:\Windows\explorer.exe
      explorer.exe C:\Users\Public\Documents\KLi.vbs
      2⤵
      • Process spawned unexpected child process
      PID:1336
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4200
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\KLi.vbs"
      2⤵
        PID:5088
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1996,i,5469445176230119590,7931734017267321834,262144 --variations-seed-version --mojo-platform-channel-handle=3984 /prefetch:8
      1⤵
        PID:2980

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Public\Documents\KLi.vbs

        Filesize

        591B

        MD5

        84cf91be20b674976ab80f4373b052eb

        SHA1

        72567e3f1d76d88c3c06b4499618497fc66cc6f2

        SHA256

        f84804510e754a81b90a447569b2f78c8869658395afad3b8089bdcb4049561c

        SHA512

        8597c90704438723c87326c2637592e93e66c461bd23d20c05431f6941f5ddb24cc88a25d46a2f2e5f05efe74d2e63910843abefdf2533aed6182ce7eda7f8f9

      • memory/2408-7-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp

        Filesize

        2.0MB

      • memory/2408-40-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp

        Filesize

        2.0MB

      • memory/2408-2-0x00007FFC52F10000-0x00007FFC52F20000-memory.dmp

        Filesize

        64KB

      • memory/2408-5-0x00007FFC52F10000-0x00007FFC52F20000-memory.dmp

        Filesize

        64KB

      • memory/2408-4-0x00007FFC52F10000-0x00007FFC52F20000-memory.dmp

        Filesize

        64KB

      • memory/2408-8-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp

        Filesize

        2.0MB

      • memory/2408-10-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp

        Filesize

        2.0MB

      • memory/2408-11-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp

        Filesize

        2.0MB

      • memory/2408-12-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp

        Filesize

        2.0MB

      • memory/2408-13-0x00007FFC505B0000-0x00007FFC505C0000-memory.dmp

        Filesize

        64KB

      • memory/2408-42-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp

        Filesize

        2.0MB

      • memory/2408-3-0x00007FFC52F10000-0x00007FFC52F20000-memory.dmp

        Filesize

        64KB

      • memory/2408-18-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp

        Filesize

        2.0MB

      • memory/2408-17-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp

        Filesize

        2.0MB

      • memory/2408-15-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp

        Filesize

        2.0MB

      • memory/2408-20-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp

        Filesize

        2.0MB

      • memory/2408-19-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp

        Filesize

        2.0MB

      • memory/2408-16-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp

        Filesize

        2.0MB

      • memory/2408-14-0x00007FFC505B0000-0x00007FFC505C0000-memory.dmp

        Filesize

        64KB

      • memory/2408-6-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp

        Filesize

        2.0MB

      • memory/2408-1-0x00007FFC92F2D000-0x00007FFC92F2E000-memory.dmp

        Filesize

        4KB

      • memory/2408-0-0x00007FFC52F10000-0x00007FFC52F20000-memory.dmp

        Filesize

        64KB

      • memory/2408-41-0x00007FFC92F2D000-0x00007FFC92F2E000-memory.dmp

        Filesize

        4KB

      • memory/2408-9-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp

        Filesize

        2.0MB