Analysis

  • max time kernel
    91s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    05-05-2022 15:37

General

  • Target

    Challenge_FIles/Employee_W2_Form.docx

  • Size

    12KB

  • MD5

    45e7d6562bfddb816d45649dd667abde

  • SHA1

    00087e46ec0ef6225de59868fd016bd9dd77fa3c

  • SHA256

    679bbe0c50754853978a3a583505ebb99bce720cf26a6aaf8be06cd879701ff1

  • SHA512

    0567873b42eece93787da4f4c3b72ecb0d952450d8eb59b354a5f91ed95395a2662171e05cdcf4a829fdbd0b5cbcca97701fef9b96b1ad0d8728922bbd0288fa

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Challenge_FIles\Employee_W2_Form.docx"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • NTFS ADS
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1416
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2032

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1416-54-0x0000000072691000-0x0000000072694000-memory.dmp
      Filesize

      12KB

    • memory/1416-55-0x0000000070111000-0x0000000070113000-memory.dmp
      Filesize

      8KB

    • memory/1416-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1416-57-0x00000000764C1000-0x00000000764C3000-memory.dmp
      Filesize

      8KB

    • memory/1416-58-0x00000000710FD000-0x0000000071108000-memory.dmp
      Filesize

      44KB

    • memory/2032-59-0x0000000000000000-mapping.dmp
    • memory/2032-60-0x000007FEFBD41000-0x000007FEFBD43000-memory.dmp
      Filesize

      8KB