Analysis

  • max time kernel
    84s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    20/10/2020, 22:23

General

  • Target

    doc_pack-323542220.xls

  • Size

    62KB

  • MD5

    b72ffdf00f54f52655176fe4ecb257e4

  • SHA1

    3043d598a81b05c5dfd1fb62cc7a4d9a6a288e22

  • SHA256

    4910101f83f572ff066a7b98a78f1f3fab7abdc889d483c87b38c9e77a13a39e

  • SHA512

    b1127769e87fc3585becf3328496696e5eb5f6751dda3686c5b1e4da3f374f738fc54e664bc7fc934de5c3c383b86f992e43077c08372d49a3ccd4cfef37a052

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-323542220.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:2080
    • 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 4700
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:2144
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4700
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2800

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2080-0-0x00007FFAC5F30000-0x00007FFAC65F6000-memory.dmp

    Filesize

    6.8MB

  • memory/2800-5-0x000001E1E79A0000-0x000001E1E79A1000-memory.dmp

    Filesize

    4KB

  • memory/2800-6-0x000001E1E79A0000-0x000001E1E79A1000-memory.dmp

    Filesize

    4KB

  • memory/2800-8-0x000001E1E8060000-0x000001E1E8061000-memory.dmp

    Filesize

    4KB

  • memory/2800-11-0x000001E1E8460000-0x000001E1E8461000-memory.dmp

    Filesize

    4KB

  • memory/2800-13-0x000001E1E8340000-0x000001E1E8341000-memory.dmp

    Filesize

    4KB

  • memory/2800-14-0x000001E1E8340000-0x000001E1E8341000-memory.dmp

    Filesize

    4KB

  • memory/2800-15-0x000001E1E8340000-0x000001E1E8341000-memory.dmp

    Filesize

    4KB