Analysis

  • max time kernel
    137s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    15/07/2020, 16:08

General

  • Target

    fea072ba3f7917af9c87c1a68ea7ee4c0ca39d6df8c5c71843771d198c045e50.xls

  • Size

    367KB

  • MD5

    56a0b81c19d2d17c042e2b2c22744633

  • SHA1

    cfb744ac8fdb24cf317d2e33802e878feddfd3e7

  • SHA256

    fea072ba3f7917af9c87c1a68ea7ee4c0ca39d6df8c5c71843771d198c045e50

  • SHA512

    9d195463a70cac76cdf30d667e1a891ede0a9f25edc1466f3ed955fdd85f65be283eb0d9dfbb872c9d37f00397c9e04ccb1843c478fd56fb09a29525ed37df0f

Score
10/10

Malware Config

Signatures

  • 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
  • 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.

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\fea072ba3f7917af9c87c1a68ea7ee4c0ca39d6df8c5c71843771d198c045e50.xls"
    1⤵
    • Enumerates system info in registry
    • Suspicious use of SetWindowsHookEx
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of WriteProcessMemory
    • Checks processor information in registry
    PID:1492
    • C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\cLKxjLh\tIpHswX\ONCWNER.dll,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:3436

Network

MITRE ATT&CK Enterprise v6

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