Overview

overview

10

Static

static

8

inv_3.xls

windows7_x64

6

inv_3.xls

windows10_x64

10

Analysis

  • max time kernel
    135s
  • max time network
    131s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    16/07/2020, 18:34

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General

  • Target
    inv_3.xls
  • Size 603KB
  • Sample200716-hff4pr11pj
  • SHA256 2c53e8ab0d8eadb0901e3b0aa0646dc8f9d856b23c74dd2163b51e379391538e
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Suspicious use of WriteProcessMemory 2 IoCs
  • 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
  • Enumerates connected drives 3 TTPs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 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\inv_3.xls"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of SetWindowsHookEx
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    PID:4008
    • C:\Windows\System32\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s /i CztMJfC.ocx
      2⤵
      • Process spawned unexpected child process
      PID:648

Network

        MITRE ATT&CK Enterprise v6

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