Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    20/10/2020, 22:22

General

  • Target

    doc_pack-383516144.xls

  • Size

    62KB

  • MD5

    77da2c8ecdf6240f2f010709b229dad7

  • SHA1

    5750f25a866289acc614fbc5af185a2a93efd60a

  • SHA256

    13ed235b27db69c380c7b658f4b7646aed366d6746c9a36df19436409a9c5890

  • SHA512

    97c5b5d4d5f177f54958f87f22ea23111d8a7010b9348887b5248fd2ba221b270380f79a5594070c5ad596d65e43a7d0766dcb11d3904cb4b9e1b96b9ab6978a

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\doc_pack-383516144.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:3056
    • 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 4412
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:1908
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4412
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1676

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1676-5-0x000001DBC4C60000-0x000001DBC4C61000-memory.dmp

    Filesize

    4KB

  • memory/1676-6-0x000001DBC4C60000-0x000001DBC4C61000-memory.dmp

    Filesize

    4KB

  • memory/1676-7-0x000001DBC4C60000-0x000001DBC4C61000-memory.dmp

    Filesize

    4KB

  • memory/1676-9-0x000001DBC5450000-0x000001DBC5451000-memory.dmp

    Filesize

    4KB

  • memory/1676-12-0x000001DBC57A0000-0x000001DBC57A1000-memory.dmp

    Filesize

    4KB

  • memory/1676-13-0x000001DBC57A0000-0x000001DBC57A1000-memory.dmp

    Filesize

    4KB

  • memory/1676-14-0x000001DBC57A0000-0x000001DBC57A1000-memory.dmp

    Filesize

    4KB

  • memory/3056-0-0x00007FFEAD880000-0x00007FFEADF46000-memory.dmp

    Filesize

    6.8MB