Analysis

  • max time kernel
    71s
  • max time network
    134s
  • platform
    windows10_x64
  • resource
    win10-20220331-en
  • submitted
    30-03-2022 18:19

General

  • Target

    8a6effb1430c591fa0e6e8ac6f84b1991bf8cc18f70a432ae63e6bda131914c6.xls

  • Size

    106KB

  • MD5

    68e856165288a9bc99a681304b30d552

  • SHA1

    c792461f287fc531967f0f56910b22263e597311

  • SHA256

    8a6effb1430c591fa0e6e8ac6f84b1991bf8cc18f70a432ae63e6bda131914c6

  • SHA512

    23ce7caa40df79663659a898129f25797946a1fe1ded6b970a2b1ef46a43061001d9c341be398be82b1265e7a78ae1251f9197668e008019ecb60ab95ffa7493

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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 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\8a6effb1430c591fa0e6e8ac6f84b1991bf8cc18f70a432ae63e6bda131914c6.xls"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2844
    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeC2RClient.exe
      OfficeC2RClient.exe /error PID=2844 ProcessName="Microsoft Excel" UIType=3 ErrorSource=0x8b10082a ErrorCode=0x800706ba ShowUI=1
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of SetWindowsHookEx
      PID:2428

Network

MITRE ATT&CK Matrix

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Downloads