Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-02-2024 00:25

General

  • Target

    ad3b53013740257aadd4ede43e292c40.xls

  • Size

    36KB

  • MD5

    ad3b53013740257aadd4ede43e292c40

  • SHA1

    f09b49bae0f495a7c8e61d46b8d4414aa7509045

  • SHA256

    a4afc119a4cf6c109181b47cf909efbbb97764cc5db283f9d1d21761b15c4e96

  • SHA512

    270b0e69669c93a4d3d3eda047c378a22e86be32b4ec34c8fed5a9b7c0963ecce0e5a754a3caf6ed48486bb4da9b56362119430b0f93d043251cd6df2c02404f

  • SSDEEP

    768:+PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJAPm0rKqYoJQoD:Cok3hbdlylKsgqopeJBWhZFGkE+cL2NF

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://syracuse.best/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\ad3b53013740257aadd4ede43e292c40.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:2596
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\VVz.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2596-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2596-1-0x00000000723BD000-0x00000000723C8000-memory.dmp

    Filesize

    44KB

  • memory/2596-2-0x00000000723BD000-0x00000000723C8000-memory.dmp

    Filesize

    44KB

  • memory/2596-3-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2596-4-0x00000000723BD000-0x00000000723C8000-memory.dmp

    Filesize

    44KB