Analysis

  • max time kernel
    80s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    19/10/2020, 23:32

General

  • Target

    document-1434010420.xls

  • Size

    426KB

  • MD5

    b72b21f34eb10c7bca626841e7c4cf30

  • SHA1

    a896bcd44a6ba32ce2c390f636bf9db302c0be83

  • SHA256

    510334dab44ec3a2ab0ff8367d7f9b96760049275ae9d49baef669b6c3409328

  • SHA512

    5de04a4b79428a022802e31b90300bc8537d45bacac9b3170f6578c7594d6e846e165d183314177215f9598f7db50d1e623bd87b1ccd84a2b06f6f7ab3afe0c9

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 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 8 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\document-1434010420.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:3828
    • 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 4644
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:2904
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4644
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2156

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/2156-6-0x000001F808540000-0x000001F808541000-memory.dmp

          Filesize

          4KB

        • memory/2156-7-0x000001F808540000-0x000001F808541000-memory.dmp

          Filesize

          4KB

        • memory/2156-9-0x000001F808D00000-0x000001F808D01000-memory.dmp

          Filesize

          4KB

        • memory/2156-12-0x000001F809100000-0x000001F809101000-memory.dmp

          Filesize

          4KB

        • memory/2156-14-0x000001F809100000-0x000001F809101000-memory.dmp

          Filesize

          4KB

        • memory/2156-16-0x000001F808FB0000-0x000001F808FB1000-memory.dmp

          Filesize

          4KB

        • memory/2156-17-0x000001F808FB0000-0x000001F808FB1000-memory.dmp

          Filesize

          4KB

        • memory/2156-18-0x000001F808FB0000-0x000001F808FB1000-memory.dmp

          Filesize

          4KB

        • memory/3828-0-0x00007FFA6F380000-0x00007FFA6FA46000-memory.dmp

          Filesize

          6.8MB