Analysis

  • max time kernel
    86s
  • max time network
    154s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    20/10/2020, 23:07

General

  • Target

    doc_pack-58275658.xls

  • Size

    62KB

  • MD5

    ef1c44facde23534d70dbf54e89ffff6

  • SHA1

    2e9e5d8ca5a9acef45085496038dba1b8e476b25

  • SHA256

    f7373ec37041061774ee2c2359382c27f9f0266b381030755b6ab416b891d222

  • SHA512

    b5f72591e74e497bac0e34f754afafdb08dd17468fd021031111d85323f6fcd1b5a7b3f960f0bc63dec22f7e75f5bfa03d8957a3842f38a7c7dfeafbd1f7377a

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-58275658.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:2584
    • 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 4708
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:1440
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4708
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1944

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1944-5-0x0000025E5C8D0000-0x0000025E5C8D1000-memory.dmp

    Filesize

    4KB

  • memory/1944-6-0x0000025E5C8D0000-0x0000025E5C8D1000-memory.dmp

    Filesize

    4KB

  • memory/1944-8-0x0000025E5D0D0000-0x0000025E5D0D1000-memory.dmp

    Filesize

    4KB

  • memory/1944-11-0x0000025E5D3D0000-0x0000025E5D3D1000-memory.dmp

    Filesize

    4KB

  • memory/1944-12-0x0000025E5D3D0000-0x0000025E5D3D1000-memory.dmp

    Filesize

    4KB

  • memory/1944-13-0x0000025E5D3D0000-0x0000025E5D3D1000-memory.dmp

    Filesize

    4KB

  • memory/1944-14-0x0000025E5D010000-0x0000025E5D011000-memory.dmp

    Filesize

    4KB

  • memory/2584-0-0x00007FF9F42D0000-0x00007FF9F4996000-memory.dmp

    Filesize

    6.8MB

  • memory/2584-2-0x000001698F5CD000-0x000001698F5CE000-memory.dmp

    Filesize

    4KB

  • memory/2584-1-0x000001698F5CE000-0x000001698F5D3000-memory.dmp

    Filesize

    20KB