Analysis

  • max time kernel
    71s
  • max time network
    138s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    19/10/2020, 23:32

General

  • Target

    document-1311924528.xls

  • Size

    426KB

  • MD5

    239e3f828472fc7795bc8d34d1f64410

  • SHA1

    4c87db53f28684be1ffa40a3af9ff71e81349aef

  • SHA256

    4672c923c8680d66f43b4f960d8b2fc6d5c1b0bfaed766849a84dde4809fb8fe

  • SHA512

    33c60e63cb9a50679b3499954e4a773da48142d07f545dc36b9650418f0d3bc5aba73e6bda40970860db539e59d4fe07a0a7f7b2723636fa9ef29b35efb72fea

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-1311924528.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:540
    • 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:3700
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4696
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2620

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/540-0-0x00007FFA8A250000-0x00007FFA8A916000-memory.dmp

          Filesize

          6.8MB

        • memory/2620-5-0x000002AE43F00000-0x000002AE43F01000-memory.dmp

          Filesize

          4KB

        • memory/2620-6-0x000002AE43F00000-0x000002AE43F01000-memory.dmp

          Filesize

          4KB

        • memory/2620-8-0x000002AE44570000-0x000002AE44571000-memory.dmp

          Filesize

          4KB

        • memory/2620-11-0x000002AE44970000-0x000002AE44971000-memory.dmp

          Filesize

          4KB

        • memory/2620-13-0x000002AE44890000-0x000002AE44891000-memory.dmp

          Filesize

          4KB

        • memory/2620-14-0x000002AE44890000-0x000002AE44891000-memory.dmp

          Filesize

          4KB

        • memory/2620-15-0x000002AE44890000-0x000002AE44891000-memory.dmp

          Filesize

          4KB