Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2023, 14:43

General

  • Target

    3a2a493445f99b7dcaca0d0e7c0d9291.xls

  • Size

    35KB

  • MD5

    3a2a493445f99b7dcaca0d0e7c0d9291

  • SHA1

    1ff1f21f7dc4a01d9796687b405782e766c587bb

  • SHA256

    7866226257cf566903342b2bf987e8a3f0f6f9c0c7c5951b4feaf74e5821e042

  • SHA512

    cfbf54525e203e66c2bc51ac00c5c140226723bc93b6c85590208dc684e2542434de860895986d2879999fd7f59ef53aecd194b25ff190a4913d2e327a102ade

  • SSDEEP

    768:TPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJX2edkc5MkZEUF:Lok3hbdlylKsgqopeJBWhZFGkE+cL2Nq

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://syracuse.best/wp-data.php

xlm40.dropper

https://skill.fashion/wp-data.php

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 7 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\3a2a493445f99b7dcaca0d0e7c0d9291.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2252
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\buRVcgxn.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2636

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2252-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

          Filesize

          64KB

        • memory/2252-1-0x000000007258D000-0x0000000072598000-memory.dmp

          Filesize

          44KB

        • memory/2252-2-0x000000007258D000-0x0000000072598000-memory.dmp

          Filesize

          44KB

        • memory/2252-3-0x000000005FFF0000-0x0000000060000000-memory.dmp

          Filesize

          64KB

        • memory/2252-4-0x000000007258D000-0x0000000072598000-memory.dmp

          Filesize

          44KB