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Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    21/04/2024, 03:32

General

  • Target

    decrypted.xlsx

  • Size

    554KB

  • MD5

    ce8bc14112fcca50b2414f9d014c2c19

  • SHA1

    28afbe348f1b2d3a350fa3bfb38bcacf766847b2

  • SHA256

    4c73a55a72b20560a1376154e2b95895b54cf230d06177068cd30769ae72e019

  • SHA512

    0e2ec6c831e0ab361aa4da015837c33d2fe94e79c5cb55338f462e64e88320f9876698fd5e02662c45767164d6f838721d6fec458ffb7ff16e842aa26b0ac877

  • SSDEEP

    12288:nI8raEfAJoa+0zl/YqwbRXbCumVlcDZX96zPEkho/iFi:IuaEIJoa+HnbSE96zPRi

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\decrypted.xlsx
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2824
  • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
    "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
    1⤵
    • Blocklisted process makes network request
    • Launches Equation Editor
    PID:2072

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2072-4-0x00000000084E0000-0x00000000084E1000-memory.dmp

    Filesize

    4KB

  • memory/2824-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2824-1-0x00000000721CD000-0x00000000721D8000-memory.dmp

    Filesize

    44KB

  • memory/2824-5-0x00000000721CD000-0x00000000721D8000-memory.dmp

    Filesize

    44KB

  • memory/2824-14-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2824-17-0x00000000721CD000-0x00000000721D8000-memory.dmp

    Filesize

    44KB