Analysis

  • max time kernel
    104s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    19/10/2020, 23:32

General

  • Target

    document-1375691566.xls

  • Size

    426KB

  • MD5

    617017c5192960a146f8ad27c03218ad

  • SHA1

    ff96175c0c404b4faf93c729ba1e2b27874eb459

  • SHA256

    81687fe911ed953edbb7eefdc7f29787c81c05d803d717c554f9a563300cb6ad

  • SHA512

    794712020a2dfb1f46f6f880e0f475f9bc58f4f8ba2587b4f1e690afdcacc1a27f142b4cd89e0b8c80012645249cde4b02caf126dfb657fe051a253d16883d31

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-1375691566.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:720
    • 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:1920
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4680
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2076

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/720-0-0x00007FFFBCA60000-0x00007FFFBD126000-memory.dmp

          Filesize

          6.8MB

        • memory/2076-5-0x000002D4F5F00000-0x000002D4F5F01000-memory.dmp

          Filesize

          4KB

        • memory/2076-6-0x000002D4F5F00000-0x000002D4F5F01000-memory.dmp

          Filesize

          4KB

        • memory/2076-8-0x000002D4F66A0000-0x000002D4F66A1000-memory.dmp

          Filesize

          4KB

        • memory/2076-11-0x000002D4F6990000-0x000002D4F6991000-memory.dmp

          Filesize

          4KB

        • memory/2076-12-0x000002D4F6990000-0x000002D4F6991000-memory.dmp

          Filesize

          4KB

        • memory/2076-13-0x000002D4F6990000-0x000002D4F6991000-memory.dmp

          Filesize

          4KB