Analysis

  • max time kernel
    141s
  • max time network
    144s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    19/10/2020, 22:57

General

  • Target

    document-1047902915.xls

  • Size

    426KB

  • MD5

    16cb0dc091648a793f260a4d8eca4c50

  • SHA1

    25e7ef4575bae195080feb572ebfad5ebe453939

  • SHA256

    8ccd44fd429cd6642560a78c4be6997530acd913c29fa8331c6a04544d7a79cd

  • SHA512

    5b8689b63a60eb350351540687242d9c6734046e7b40debafa8431eab7fe0ee111d2cfb9dec839cf1095a1bd787b345f7e0e9baa97240f7121d230ac58cd58ac

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-1047902915.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:3024
    • 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 4420
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:2632
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4420
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3464

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/3024-0-0x00007FFF5D770000-0x00007FFF5DE36000-memory.dmp

          Filesize

          6.8MB

        • memory/3464-6-0x0000028EB6EB0000-0x0000028EB6EB1000-memory.dmp

          Filesize

          4KB

        • memory/3464-7-0x0000028EB6EB0000-0x0000028EB6EB1000-memory.dmp

          Filesize

          4KB

        • memory/3464-9-0x0000028EB75F0000-0x0000028EB75F1000-memory.dmp

          Filesize

          4KB

        • memory/3464-12-0x0000028EB78E0000-0x0000028EB78E1000-memory.dmp

          Filesize

          4KB

        • memory/3464-13-0x0000028EB78E0000-0x0000028EB78E1000-memory.dmp

          Filesize

          4KB

        • memory/3464-14-0x0000028EB78E0000-0x0000028EB78E1000-memory.dmp

          Filesize

          4KB

        • memory/3464-15-0x0000028EB7530000-0x0000028EB7531000-memory.dmp

          Filesize

          4KB