Overview

overview

8

Static

static

8

Notice_126713930.xls

windows7_x64

6

Notice_126713930.xls

windows10_x64

6

Analysis

  • max time kernel
    135s
  • max time network
    133s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    17/07/2020, 16:16

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General

  • Target
    Notice_126713930.xls
  • Size 343KB
  • Sample200717-aaq3r52m6e
  • SHA256 11d1089ff7bc06a5df7abaf32cea4f0fd118123f7a33f8f3a9082f3b70689e67
  • MD5 SHA1 SHA512
Score
6/10

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 4 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • 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.

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\Notice_126713930.xls"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Enumerates system info in registry
    • Checks processor information in registry
    • Suspicious use of SetWindowsHookEx
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    PID:1516
    • 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⤵
      • Suspicious use of WriteProcessMemory
      • Process spawned suspicious child process
      PID:2868
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4412
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3684

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3684-2-0x000001CEEEB30000-0x000001CEEEB31000-memory.dmp
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        memory/3684-3-0x000001CEEEB30000-0x000001CEEEB31000-memory.dmp
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        memory/3684-5-0x000001CEEF2E0000-0x000001CEEF2E1000-memory.dmp
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        memory/3684-8-0x000001CEEF5D0000-0x000001CEEF5D1000-memory.dmp
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        memory/3684-9-0x000001CEEF5D0000-0x000001CEEF5D1000-memory.dmp
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        memory/3684-10-0x000001CEEF5D0000-0x000001CEEF5D1000-memory.dmp
        Download

        memory/3684-11-0x000001CEEF220000-0x000001CEEF221000-memory.dmp
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