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Analysis

  • max time kernel
    157s
  • max time network
    187s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/12/2022, 14:20

General

  • Target

    b4c0672704891c561e9af948430d71c8fb1719ee5d130e26143df577f53ce406.xls

  • Size

    36KB

  • MD5

    5f5609ad898d0df50d8a97c273bb63aa

  • SHA1

    e2c62906409344a63fbe539576bad789733aba4f

  • SHA256

    b4c0672704891c561e9af948430d71c8fb1719ee5d130e26143df577f53ce406

  • SHA512

    7163be300200036f4148132cacc85649f4ced3058afedfd07622372dd3e49f31be4fb0e35c5e9e9d476edb43efe4aa7892ebd84a7106a79a82d0ee4c55f002f0

  • SSDEEP

    768:6///I12wzlFl/sEMeapuONmjDpP1VAqbhxmaR22vFItmd8aYNiKydp5VbRuUr8vq:6///I12wzlFl/sEMeapuONmjDpP1VAqz

Score
6/10

Malware Config

Signatures

  • Process spawned suspicious child process 1 IoCs

    This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.

  • Checks processor information in registry 2 TTPs 6 IoCs

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

  • Enumerates system info in registry 2 TTPs 5 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 17 IoCs
  • Suspicious use of WriteProcessMemory 6 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\b4c0672704891c561e9af948430d71c8fb1719ee5d130e26143df577f53ce406.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4524
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:3276
      • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE
        "C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 4696
        2⤵
        • Process spawned suspicious child process
        • Suspicious use of WriteProcessMemory
        PID:2220
        • C:\Windows\system32\dwwin.exe
          C:\Windows\system32\dwwin.exe -x -s 4696
          3⤵
          • Checks processor information in registry
          • Enumerates system info in registry
          PID:2964
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:1184
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -pss -s 460 -p 4524 -ip 4524
        1⤵
          PID:4248

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/4524-132-0x00007FFB4B6D0000-0x00007FFB4B6E0000-memory.dmp

          Filesize

          64KB

        • memory/4524-133-0x00007FFB4B6D0000-0x00007FFB4B6E0000-memory.dmp

          Filesize

          64KB

        • memory/4524-134-0x00007FFB4B6D0000-0x00007FFB4B6E0000-memory.dmp

          Filesize

          64KB

        • memory/4524-135-0x00007FFB4B6D0000-0x00007FFB4B6E0000-memory.dmp

          Filesize

          64KB

        • memory/4524-136-0x00007FFB4B6D0000-0x00007FFB4B6E0000-memory.dmp

          Filesize

          64KB

        • memory/4524-137-0x00007FFB49200000-0x00007FFB49210000-memory.dmp

          Filesize

          64KB

        • memory/4524-138-0x00007FFB49200000-0x00007FFB49210000-memory.dmp

          Filesize

          64KB