Analysis

  • max time kernel
    91s
  • max time network
    156s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    19/10/2020, 23:32

General

  • Target

    document-1373255188.xls

  • Size

    426KB

  • MD5

    b6c92adbda05dde1b60a6643415e705b

  • SHA1

    79fb600f7cb614ed07a91d5000c43e67c9859293

  • SHA256

    c9b3cda8ab9fd7374efdc037a97bf8a46c371403319d708d53e66537d022a5af

  • SHA512

    4a61c1d0f531aa88329180c4136c51be4e76d330ebcd0602c05cb652dd7421f7d953881eea6dcad0fa8b98a8144d84c460908e0a1e751b386ec067d83c6ca31a

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-1373255188.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:408
    • 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 4680
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:1348
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4680
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4092

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/408-0-0x00007FFBA0B30000-0x00007FFBA11F6000-memory.dmp

          Filesize

          6.8MB

        • memory/4092-5-0x000001D52A6B0000-0x000001D52A6B1000-memory.dmp

          Filesize

          4KB

        • memory/4092-6-0x000001D52A6B0000-0x000001D52A6B1000-memory.dmp

          Filesize

          4KB

        • memory/4092-8-0x000001D52AE50000-0x000001D52AE51000-memory.dmp

          Filesize

          4KB

        • memory/4092-11-0x000001D52B1A0000-0x000001D52B1A1000-memory.dmp

          Filesize

          4KB

        • memory/4092-12-0x000001D52B1A0000-0x000001D52B1A1000-memory.dmp

          Filesize

          4KB

        • memory/4092-13-0x000001D52B1A0000-0x000001D52B1A1000-memory.dmp

          Filesize

          4KB