Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    27-04-2024 10:52

General

  • Target

    decrypted.xlam

  • Size

    422KB

  • MD5

    92e4669f19f8d8d67f65a91b7cf2dde6

  • SHA1

    98dd1a47c5af349ecf337de4c1c14f0b9201b757

  • SHA256

    b6e36bb17d2beae2addeaa9880fbccdc4b431bfccbdd0ab9e5ed5429199d24ea

  • SHA512

    87470765640051321b7d3ed1c7a5ff043ad898b3a621986fc19ca167f4f430223fe21c7b4d52fb576db2ba0c3ccd745a6e720bba4b72b80abc7727227c8d7037

  • SSDEEP

    12288:GIxNu39EzsTY1kFKRm41qNx6AB8DNfmEEV0:yizsTYFLcPipf7Q0

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • 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 5 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.xlam
    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:2184
  • 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:2608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2184-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2184-1-0x0000000071F8D000-0x0000000071F98000-memory.dmp

    Filesize

    44KB

  • memory/2184-8-0x0000000071F8D000-0x0000000071F98000-memory.dmp

    Filesize

    44KB

  • memory/2184-10-0x0000000002EE0000-0x0000000002FE0000-memory.dmp

    Filesize

    1024KB

  • memory/2184-14-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2184-21-0x0000000071F8D000-0x0000000071F98000-memory.dmp

    Filesize

    44KB

  • memory/2608-9-0x00000000080B0000-0x00000000080B1000-memory.dmp

    Filesize

    4KB