Analysis

  • max time kernel
    78s
  • max time network
    141s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    19/10/2020, 22:58

General

  • Target

    document-1003666420.xls

  • Size

    426KB

  • MD5

    994c0cc20a1ac9492b26c66c140678fb

  • SHA1

    dfc5e6317577f34a612ec923521d91811adfeeb4

  • SHA256

    926843015e16e5d36b30122b0d163610d23421be767de6a6a09339df19899b13

  • SHA512

    2701fda41c9b35c4bfc650b8053ee29377884b3f9ddf22c20b4f03914a27a96c1c89477e4701d5a7445c9dc625ac53ecefaac0625a580d9aed0b7025404dadc5

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-1003666420.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:3696
    • 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 4628
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:3652
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4628
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3388

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3388-6-0x000002299F370000-0x000002299F371000-memory.dmp

          Filesize

          4KB

        • memory/3388-7-0x000002299F370000-0x000002299F371000-memory.dmp

          Filesize

          4KB

        • memory/3388-9-0x000002299FB70000-0x000002299FB71000-memory.dmp

          Filesize

          4KB

        • memory/3388-12-0x000002299FF70000-0x000002299FF71000-memory.dmp

          Filesize

          4KB

        • memory/3388-14-0x000002299FF70000-0x000002299FF71000-memory.dmp

          Filesize

          4KB

        • memory/3388-16-0x000002299FDC0000-0x000002299FDC1000-memory.dmp

          Filesize

          4KB

        • memory/3388-17-0x000002299FDC0000-0x000002299FDC1000-memory.dmp

          Filesize

          4KB

        • memory/3388-18-0x000002299FDC0000-0x000002299FDC1000-memory.dmp

          Filesize

          4KB

        • memory/3696-0-0x00007FFD26860000-0x00007FFD26F26000-memory.dmp

          Filesize

          6.8MB