Overview

overview

10

Static

static

8

document-1...57.xls

windows7_x64

10

document-1...57.xls

windows10_x64

6

Analysis

  • max time kernel
    15s
  • max time network
    139s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    20/10/2020, 00:07

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General

  • Target
    document-1588666557.xls
  • Size 426KB
  • Sample201020-9l2pdg7tb2
  • SHA256 d43f534a66b22e0b1408a3ec40d7e71ab15bb1a7804e6aa2efed7b2e640ff8d7
  • MD5 SHA1 SHA512
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-1588666557.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:3928
    • 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 4276
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:2136
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4276
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2492

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/2492-5-0x000001F82EF90000-0x000001F82EF91000-memory.dmp
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        memory/2492-6-0x000001F82EF90000-0x000001F82EF91000-memory.dmp
        Download

        memory/2492-8-0x000001F82F6A0000-0x000001F82F6A1000-memory.dmp
        Download

        memory/2492-11-0x000001F82F960000-0x000001F82F961000-memory.dmp
        Download

        memory/2492-12-0x000001F82F960000-0x000001F82F961000-memory.dmp
        Download

        memory/2492-13-0x000001F82F960000-0x000001F82F961000-memory.dmp
        Download

        memory/2492-14-0x000001F82F5E0000-0x000001F82F5E1000-memory.dmp
        Download

        memory/3928-0-0x00007FFA83F20000-0x00007FFA845E6000-memory.dmp
        Download