Analysis

  • max time kernel
    122s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    05/04/2024, 14:13

General

  • Target

    decrypted.xlsx

  • Size

    314KB

  • MD5

    ff619191457c338ee1909efc1d99ffd4

  • SHA1

    ebfb39c1a4f7d0b7d64b0f10486ecfe095bbea24

  • SHA256

    12977af5cc21dbb5bf0c445178b2aa65697ce76861813b7367b9a9ced65395f1

  • SHA512

    7bc0dae79fb3faae67672ecdd7dd895167417cc64d9ede65df4ec8b5ad5009c3b09d0e8dc852578b5aef360330100a091fe57703843cd90b037bba457904781a

  • SSDEEP

    6144:IQ69aEzUk/qZi3rRXbBm1DjltlNW0j1uTKNRNhG:V8Tzz/qwbRXbuDZX9RumhhG

Score
1/10

Malware Config

Signatures

  • 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:2820
  • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
    "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
    1⤵
    • Launches Equation Editor
    PID:3036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2820-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2820-1-0x0000000072BAD000-0x0000000072BB8000-memory.dmp

    Filesize

    44KB

  • memory/2820-5-0x0000000072BAD000-0x0000000072BB8000-memory.dmp

    Filesize

    44KB

  • memory/2820-13-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2820-16-0x0000000072BAD000-0x0000000072BB8000-memory.dmp

    Filesize

    44KB

  • memory/3036-4-0x00000000063F0000-0x00000000063F1000-memory.dmp

    Filesize

    4KB