Analysis

  • max time kernel
    160s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-01-2023 19:22

General

  • Target

    0a452a45e781a7ff0348f618f594dfcdb0a83ef22b9120aba5a006862ee4893d.xls

  • Size

    36KB

  • MD5

    7693610a8fb10370d9fd6f2f53157fe0

  • SHA1

    93aa8e85f2fe437a7d1e7f30c693e9854aadec49

  • SHA256

    0a452a45e781a7ff0348f618f594dfcdb0a83ef22b9120aba5a006862ee4893d

  • SHA512

    9bea01393333aee180eb49f52736c0b053daabb02c202f288b6e2525e07a45e20bf6f7a1ee340d689b9f2341e3a04e3f104eed2ceaf5fe7b408633882e969cce

  • SSDEEP

    768:xPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJp9Ajxr8Itd5lsr1zVJR:5ok3hbdlylKsgqopeJBWhZFGkE+cL2Ny

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 SetWindowsHookEx 14 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\0a452a45e781a7ff0348f618f594dfcdb0a83ef22b9120aba5a006862ee4893d.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2128
    • C:\Windows\explorer.exe
      explorer.exe C:\Users\Public\Documents\tWqygLx.vbs
      2⤵
      • Process spawned unexpected child process
      PID:1440
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:548
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\tWqygLx.vbs"
      2⤵
        PID:2120

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      599B

      MD5

      9aa26e9dcd1a52dfc127fcb807a4f13d

      SHA1

      23cdc5bec07293f34cc680720a71f564e9105cea

      SHA256

      56e63ff51f51f470eae777ed6c4ab84295a6dd0de4a6b25b9e4192c709a74655

      SHA512

      b3b7aaf5f4d2404673c001ffceeb7424e43720887b6c0e12faac21cd7a85cd872173f58a98a2c1ac4c33d3c2b5127146d3383382334899a9010247dbf7c664ef

    • memory/1440-139-0x0000000000000000-mapping.dmp

    • memory/2120-141-0x0000000000000000-mapping.dmp

    • memory/2128-132-0x00007FFFBCD90000-0x00007FFFBCDA0000-memory.dmp

      Filesize

      64KB

    • memory/2128-133-0x00007FFFBCD90000-0x00007FFFBCDA0000-memory.dmp

      Filesize

      64KB

    • memory/2128-134-0x00007FFFBCD90000-0x00007FFFBCDA0000-memory.dmp

      Filesize

      64KB

    • memory/2128-135-0x00007FFFBCD90000-0x00007FFFBCDA0000-memory.dmp

      Filesize

      64KB

    • memory/2128-136-0x00007FFFBCD90000-0x00007FFFBCDA0000-memory.dmp

      Filesize

      64KB

    • memory/2128-137-0x00007FFFBAAF0000-0x00007FFFBAB00000-memory.dmp

      Filesize

      64KB

    • memory/2128-138-0x00007FFFBAAF0000-0x00007FFFBAB00000-memory.dmp

      Filesize

      64KB