Analysis

  • max time kernel
    105s
  • max time network
    131s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    20/10/2020, 22:23

General

  • Target

    doc_pack-334255853.xls

  • Size

    62KB

  • MD5

    7a0c85f988d75c1fb29c5e1fbf2fd8a2

  • SHA1

    977b4ec8f6094b975d766ca5c737b59ccc725520

  • SHA256

    4d4e577b8f11d978d6b240970a88ed4ba69ac3e47da2a850f2f964ef8f23fe9c

  • SHA512

    7d0696ae77b5fbf96c5d73492f13ecd4e3dd7b47b33533a63d2ea667d07c4c966755da9150c153c34fbde4f5988399bbd9dbad6243aab3630a9516c21601f82b

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-334255853.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:816
    • 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 4472
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:3824
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4472
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3736

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/816-0-0x00007FF91A240000-0x00007FF91A906000-memory.dmp

    Filesize

    6.8MB

  • memory/3736-5-0x000002D1B4380000-0x000002D1B4381000-memory.dmp

    Filesize

    4KB

  • memory/3736-6-0x000002D1B4380000-0x000002D1B4381000-memory.dmp

    Filesize

    4KB

  • memory/3736-8-0x000002D1B4BD0000-0x000002D1B4BD1000-memory.dmp

    Filesize

    4KB

  • memory/3736-11-0x000002D1B4FD0000-0x000002D1B4FD1000-memory.dmp

    Filesize

    4KB

  • memory/3736-13-0x000002D1B4E30000-0x000002D1B4E31000-memory.dmp

    Filesize

    4KB

  • memory/3736-14-0x000002D1B4E30000-0x000002D1B4E31000-memory.dmp

    Filesize

    4KB

  • memory/3736-15-0x000002D1B4E30000-0x000002D1B4E31000-memory.dmp

    Filesize

    4KB