Analysis

  • max time kernel
    59s
  • max time network
    34s
  • 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 22:06

General

  • Target

    94c4e47f8d07964aa50f0247b42d01681613f11d388c030c6835025e35b23340.xls

  • Size

    36KB

  • MD5

    2a6c974ade619678d91e3b57ba12ecbc

  • SHA1

    bf54cb05e94a86a5dabc5e79a36e4ca4665d33f1

  • SHA256

    94c4e47f8d07964aa50f0247b42d01681613f11d388c030c6835025e35b23340

  • SHA512

    5a8d495896cca9621f931a4f36cd752433bdee6c4a5a30314bba9c1ab7b515a84f90e2976b300acf9ad927b57f2952b5488e6a15a7c70f6ff5ece62292db61b6

  • SSDEEP

    768:NPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJeShw1bfnFLk2nZKG:lok3hbdlylKsgqopeJBWhZFGkE+cL2Nf

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\94c4e47f8d07964aa50f0247b42d01681613f11d388c030c6835025e35b23340.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:4424
    • C:\Windows\explorer.exe
      explorer.exe C:\Users\Public\Documents\KLi.vbs
      2⤵
      • Process spawned unexpected child process
      PID:2576
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\KLi.vbs"
      2⤵
        PID:3176

    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/4424-15-0x00007FFE8F0F0000-0x00007FFE8F2E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4424-37-0x00007FFE8F0F0000-0x00007FFE8F2E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4424-7-0x00007FFE8F0F0000-0x00007FFE8F2E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4424-4-0x00007FFE4F170000-0x00007FFE4F180000-memory.dmp

      Filesize

      64KB

    • memory/4424-5-0x00007FFE4F170000-0x00007FFE4F180000-memory.dmp

      Filesize

      64KB

    • memory/4424-6-0x00007FFE8F0F0000-0x00007FFE8F2E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4424-9-0x00007FFE8F0F0000-0x00007FFE8F2E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4424-11-0x00007FFE8F0F0000-0x00007FFE8F2E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4424-10-0x00007FFE8F0F0000-0x00007FFE8F2E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4424-12-0x00007FFE4D080000-0x00007FFE4D090000-memory.dmp

      Filesize

      64KB

    • memory/4424-8-0x00007FFE8F0F0000-0x00007FFE8F2E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4424-13-0x00007FFE4D080000-0x00007FFE4D090000-memory.dmp

      Filesize

      64KB

    • memory/4424-2-0x00007FFE4F170000-0x00007FFE4F180000-memory.dmp

      Filesize

      64KB

    • memory/4424-3-0x00007FFE4F170000-0x00007FFE4F180000-memory.dmp

      Filesize

      64KB

    • memory/4424-17-0x00007FFE8F0F0000-0x00007FFE8F2E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4424-23-0x00007FFE8F0F0000-0x00007FFE8F2E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4424-22-0x00007FFE8F0F0000-0x00007FFE8F2E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4424-21-0x00007FFE8F0F0000-0x00007FFE8F2E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4424-20-0x00007FFE8F0F0000-0x00007FFE8F2E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4424-19-0x00007FFE8F0F0000-0x00007FFE8F2E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4424-18-0x00007FFE8F0F0000-0x00007FFE8F2E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4424-16-0x00007FFE8F0F0000-0x00007FFE8F2E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4424-14-0x00007FFE8F0F0000-0x00007FFE8F2E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4424-1-0x00007FFE4F170000-0x00007FFE4F180000-memory.dmp

      Filesize

      64KB

    • memory/4424-35-0x00007FFE8F0F0000-0x00007FFE8F2E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4424-36-0x00007FFE8F18D000-0x00007FFE8F18E000-memory.dmp

      Filesize

      4KB

    • memory/4424-0-0x00007FFE8F18D000-0x00007FFE8F18E000-memory.dmp

      Filesize

      4KB