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Analysis

  • max time kernel
    114s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/01/2024, 22:01

General

  • Target

    3dfd7a05888079316ce4d1e98b764ac0.xlsm

  • Size

    6KB

  • MD5

    3dfd7a05888079316ce4d1e98b764ac0

  • SHA1

    44f73eef6152576b3e577ac205b88cd008e28df8

  • SHA256

    4fd0627e41ee9246f051cdc8765e01a0693bbb1fae8737d6bb365abd5e9afec9

  • SHA512

    294d4b8ebd5b90f1fa031c9d0a78b0198fd4d4f2d9fdc359073ed55b42420055ddb5add0354207f25ebf5fbea0f471afca698cb5d8a59acf8a60102e60e41627

  • SSDEEP

    192:NDS6uSgbrA2OmmfRX8UhHFBFYuJb98yga+G:NBuxM2wN1FYIb98ygG

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://46.17.98.187/index.php

Signatures

  • Process spawned suspicious child process 1 IoCs

    This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\3dfd7a05888079316ce4d1e98b764ac0.xlsm"
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:448
    • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE
      "C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 3676
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:5084
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 3676
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        PID:1552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/448-18-0x00007FFEFA3F0000-0x00007FFEFA5E5000-memory.dmp

    Filesize

    2.0MB

  • memory/448-19-0x00007FFEFA3F0000-0x00007FFEFA5E5000-memory.dmp

    Filesize

    2.0MB

  • memory/448-3-0x00007FFEFA3F0000-0x00007FFEFA5E5000-memory.dmp

    Filesize

    2.0MB

  • memory/448-1-0x00007FFEBA470000-0x00007FFEBA480000-memory.dmp

    Filesize

    64KB

  • memory/448-4-0x00007FFEBA470000-0x00007FFEBA480000-memory.dmp

    Filesize

    64KB

  • memory/448-6-0x00007FFEFA3F0000-0x00007FFEFA5E5000-memory.dmp

    Filesize

    2.0MB

  • memory/448-5-0x00007FFEBA470000-0x00007FFEBA480000-memory.dmp

    Filesize

    64KB

  • memory/448-8-0x00007FFEFA3F0000-0x00007FFEFA5E5000-memory.dmp

    Filesize

    2.0MB

  • memory/448-0-0x00007FFEBA470000-0x00007FFEBA480000-memory.dmp

    Filesize

    64KB

  • memory/448-13-0x00007FFEFA3F0000-0x00007FFEFA5E5000-memory.dmp

    Filesize

    2.0MB

  • memory/448-16-0x00007FFEB8330000-0x00007FFEB8340000-memory.dmp

    Filesize

    64KB

  • memory/448-15-0x00007FFEFA3F0000-0x00007FFEFA5E5000-memory.dmp

    Filesize

    2.0MB

  • memory/448-17-0x00007FFEFA3F0000-0x00007FFEFA5E5000-memory.dmp

    Filesize

    2.0MB

  • memory/448-20-0x00007FFEFA3F0000-0x00007FFEFA5E5000-memory.dmp

    Filesize

    2.0MB

  • memory/448-2-0x00007FFEBA470000-0x00007FFEBA480000-memory.dmp

    Filesize

    64KB

  • memory/448-21-0x00007FFEFA3F0000-0x00007FFEFA5E5000-memory.dmp

    Filesize

    2.0MB

  • memory/448-10-0x00007FFEFA3F0000-0x00007FFEFA5E5000-memory.dmp

    Filesize

    2.0MB

  • memory/448-22-0x00007FFEFA3F0000-0x00007FFEFA5E5000-memory.dmp

    Filesize

    2.0MB

  • memory/448-14-0x00007FFEFA3F0000-0x00007FFEFA5E5000-memory.dmp

    Filesize

    2.0MB

  • memory/448-12-0x00007FFEFA3F0000-0x00007FFEFA5E5000-memory.dmp

    Filesize

    2.0MB

  • memory/448-11-0x00007FFEFA3F0000-0x00007FFEFA5E5000-memory.dmp

    Filesize

    2.0MB

  • memory/448-9-0x00007FFEB8330000-0x00007FFEB8340000-memory.dmp

    Filesize

    64KB

  • memory/448-7-0x00007FFEFA3F0000-0x00007FFEFA5E5000-memory.dmp

    Filesize

    2.0MB

  • memory/448-34-0x00007FFEFA3F0000-0x00007FFEFA5E5000-memory.dmp

    Filesize

    2.0MB

  • memory/5084-28-0x00007FFEFA3F0000-0x00007FFEFA5E5000-memory.dmp

    Filesize

    2.0MB

  • memory/5084-29-0x00007FFEFA3F0000-0x00007FFEFA5E5000-memory.dmp

    Filesize

    2.0MB

  • memory/5084-42-0x00007FFEFA3F0000-0x00007FFEFA5E5000-memory.dmp

    Filesize

    2.0MB

  • memory/5084-41-0x00007FFEFA3F0000-0x00007FFEFA5E5000-memory.dmp

    Filesize

    2.0MB

  • memory/5084-40-0x00007FFEBA470000-0x00007FFEBA480000-memory.dmp

    Filesize

    64KB

  • memory/5084-39-0x00007FFEBA470000-0x00007FFEBA480000-memory.dmp

    Filesize

    64KB

  • memory/5084-38-0x00007FFEBA470000-0x00007FFEBA480000-memory.dmp

    Filesize

    64KB

  • memory/5084-37-0x00007FFEBA470000-0x00007FFEBA480000-memory.dmp

    Filesize

    64KB