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
    11/04/2024, 11:01

General

  • Target

    decrypted.xlsx

  • Size

    1.2MB

  • MD5

    b7b8eb4a402dcb9c8f7745367af89d0f

  • SHA1

    070d9a331b8944141e784243994373a965f2af26

  • SHA256

    56ee67406eb32bc1abd9ceee7e66091daa10ca107b3250bf4c1758a637873441

  • SHA512

    ceac82fded6365ae298f01d81e9ddc140cf061635d9c8af209af845a7a7b792799b97b4843021933df0a17f5715eab48908244a58e653d73b8715edc2177550b

  • SSDEEP

    24576:3yG3GeNbUISYIEjtZeS8agfxOYCsN3SkYR1H6Jwz8CpVAfnbf9m1:Z3GIbDIEqagfc0N9YnwwlAfnrm

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:2272
  • 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:2708

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2272-13-0x0000000007D00000-0x0000000007D10000-memory.dmp

          Filesize

          64KB

        • memory/2272-1-0x00000000721CD000-0x00000000721D8000-memory.dmp

          Filesize

          44KB

        • memory/2272-6-0x00000000721CD000-0x00000000721D8000-memory.dmp

          Filesize

          44KB

        • memory/2272-10-0x0000000007D00000-0x0000000007D10000-memory.dmp

          Filesize

          64KB

        • memory/2272-9-0x0000000007D00000-0x0000000007D10000-memory.dmp

          Filesize

          64KB

        • memory/2272-8-0x0000000007D00000-0x0000000007D10000-memory.dmp

          Filesize

          64KB

        • memory/2272-11-0x0000000007D00000-0x0000000007D10000-memory.dmp

          Filesize

          64KB

        • memory/2272-12-0x0000000007D00000-0x0000000007D10000-memory.dmp

          Filesize

          64KB

        • memory/2272-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

          Filesize

          64KB

        • memory/2272-14-0x0000000007D00000-0x0000000007D10000-memory.dmp

          Filesize

          64KB

        • memory/2272-27-0x000000005FFF0000-0x0000000060000000-memory.dmp

          Filesize

          64KB

        • memory/2272-32-0x00000000721CD000-0x00000000721D8000-memory.dmp

          Filesize

          44KB

        • memory/2708-7-0x00000000063C0000-0x00000000063C1000-memory.dmp

          Filesize

          4KB