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Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 04:41

General

  • Target

    decrypted.xlsx

  • Size

    1.2MB

  • MD5

    002f76930c02b4554ca43af80e622b23

  • SHA1

    eba668dc88d0d0b5113921cbae967729bb550720

  • SHA256

    68ff3540e0d1ba09c0d40e038987afe8ce0d246692756a0e96d3b585bb38b913

  • SHA512

    f4721b882a213f7a5cecded8eb97c2bd89742a1be65fffee5e60dd28606c18089d45549e7298b14bbb574a9132eafc973e90363d6edffbd680bac2ea66a62de0

  • SSDEEP

    24576:eMKNTDtsYvdXXXXXXXXXXXXUXXXXXXXXXXXXXXXX4sW2yljYAMU0vjCSGP3frlsk:YTxDz2ylj8jCbP3BsPWAenD

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 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 SetWindowsHookEx
    PID:2668
  • 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:2704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2668-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2668-1-0x0000000071D7D000-0x0000000071D88000-memory.dmp

    Filesize

    44KB

  • memory/2668-6-0x0000000071D7D000-0x0000000071D88000-memory.dmp

    Filesize

    44KB

  • memory/2668-8-0x0000000005B90000-0x0000000005BA0000-memory.dmp

    Filesize

    64KB

  • memory/2668-7-0x0000000005B90000-0x0000000005BA0000-memory.dmp

    Filesize

    64KB

  • memory/2668-9-0x0000000005B90000-0x0000000005BA0000-memory.dmp

    Filesize

    64KB

  • memory/2668-10-0x0000000005B90000-0x0000000005BA0000-memory.dmp

    Filesize

    64KB

  • memory/2668-11-0x0000000005B90000-0x0000000005BA0000-memory.dmp

    Filesize

    64KB

  • memory/2668-13-0x0000000005B90000-0x0000000005BA0000-memory.dmp

    Filesize

    64KB

  • memory/2668-12-0x0000000005B90000-0x0000000005BA0000-memory.dmp

    Filesize

    64KB

  • memory/2668-14-0x0000000005B90000-0x0000000005BA0000-memory.dmp

    Filesize

    64KB

  • memory/2668-15-0x0000000005B90000-0x0000000005BA0000-memory.dmp

    Filesize

    64KB

  • memory/2668-25-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2668-30-0x0000000071D7D000-0x0000000071D88000-memory.dmp

    Filesize

    44KB