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Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    13/05/2024, 10:56

General

  • Target

    Hot CPU Tester Pro/changes.rtf

  • Size

    128KB

  • MD5

    7d8244dc257cfd4eeec875568e0e1846

  • SHA1

    1f3102bce32284d06c7aabd960f2df58fb2de8eb

  • SHA256

    d7ffe2adb3210146b5376b78a3df6054383b7eafc1f0f16e1ead34f2dcad98b0

  • SHA512

    993521091aec86a007c705a68f16f472c3ba7c896c9345b00ec709736f8481f94172b7a8a0f1b37de5a949fb2e7bd8b466578a99f5930e928b9dd6a1c3c73cd4

  • SSDEEP

    768:zGo7UBkAcv3n7R0BfPnA7FVMdeVBOXDgJgTlDFTwYNpODjFYrZXUmDjFYrZXU7j0:zF7Uf37+qKba7WVvu1o1OiDT

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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 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\Hot CPU Tester Pro\changes.rtf"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2860
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2528

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      20KB

      MD5

      d9c3cebe498ddf6572b2de64b05525b3

      SHA1

      84121a49ca4b9117b168656b838172f1012ecbda

      SHA256

      251c05248dd039aecfa5ff3df06b73de6f41373a238f88928712e801eda369a4

      SHA512

      c7c584e6410a811589933e52f491fd322060db60825daece5a387bbcc892e91af75ffaa7bfc51d6e6a79593942004687623499dcdcd16f35ba5c436360364aa1

    • memory/2860-0-0x000000002F3F1000-0x000000002F3F2000-memory.dmp

      Filesize

      4KB

    • memory/2860-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2860-2-0x0000000070C2D000-0x0000000070C38000-memory.dmp

      Filesize

      44KB

    • memory/2860-11-0x0000000070C2D000-0x0000000070C38000-memory.dmp

      Filesize

      44KB

    • memory/2860-29-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB