Analysis

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

General

  • Target

    document-1284324479.xls

  • Size

    426KB

  • MD5

    1c185d97263bbf36d8ff65d2c19a22cb

  • SHA1

    9aebd0e22f2d8fd72687770df0f5c4aed72cd783

  • SHA256

    0ab76ae8042616c9c28732759becd0769b4990aa70bac761c3e18df5d9d97330

  • SHA512

    86bae00c185717deaf80a41911743b079bc8f4b044f17b6931431da608a219de522a56166fc21df3f2b00cd051cacf3f3b67a0edffb25874a60495be0bf92473

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-1284324479.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:3888
    • 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 4724
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:1260
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4724
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4020

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3888-0-0x00007FF8C3190000-0x00007FF8C3856000-memory.dmp

          Filesize

          6.8MB

        • memory/4020-6-0x0000029AC9000000-0x0000029AC9001000-memory.dmp

          Filesize

          4KB

        • memory/4020-7-0x0000029AC9000000-0x0000029AC9001000-memory.dmp

          Filesize

          4KB

        • memory/4020-9-0x0000029AC9810000-0x0000029AC9811000-memory.dmp

          Filesize

          4KB

        • memory/4020-12-0x0000029AC9AA0000-0x0000029AC9AA1000-memory.dmp

          Filesize

          4KB

        • memory/4020-13-0x0000029AC9AA0000-0x0000029AC9AA1000-memory.dmp

          Filesize

          4KB

        • memory/4020-14-0x0000029AC9AA0000-0x0000029AC9AA1000-memory.dmp

          Filesize

          4KB