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Analysis

  • max time kernel
    120s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-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

xlm40.dropper

http://google.com/index.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 3 IoCs
  • Suspicious use of WriteProcessMemory 4 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\3dfd7a05888079316ce4d1e98b764ac0.xlsm
    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:2536
    • C:\Windows\SysWOW64\wscript.exe
      wscript C:\zer\spp.vbs
      2⤵
      • Process spawned unexpected child process
      PID:1132

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2536-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2536-1-0x00000000724FD000-0x0000000072508000-memory.dmp

    Filesize

    44KB

  • memory/2536-2-0x00000000724FD000-0x0000000072508000-memory.dmp

    Filesize

    44KB

  • memory/2536-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2536-5-0x00000000724FD000-0x0000000072508000-memory.dmp

    Filesize

    44KB