Analysis

  • max time kernel
    144s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    15/03/2024, 04:32

General

  • Target

    ca7ed00659b9a1d7f17a9fef6e55718e.xlsm

  • Size

    158KB

  • MD5

    ca7ed00659b9a1d7f17a9fef6e55718e

  • SHA1

    5c1af52e2f6c17a3ec6878431f8303e93673ef98

  • SHA256

    cee52cea1d85083b781607bbe9752269f9336e23cd58a37f3f588fbfab9256a8

  • SHA512

    d84d6bf923c64acc56e012048f158cdf257e87dfc0af4ce95b00a961715c545f4edfa394c6d55c6d6eab560e7e07b0bd9656a636fcdf56099866a35d511cf2b2

  • SSDEEP

    3072:pHlTkdm3bGeAxidxVymd1xXPMU9VlUBWA6CFvA7bRCxAVIKKNB:pFTkeGKdxVyWxfMU3liWA6FsYq

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://biopaten.no/xeBP8Oj5/gg.html

xlm40.dropper

https://beartoothkawasaki.com/QJT19jhtwHt/gg.html

Signatures

  • Process spawned unexpected child process 2 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 5 IoCs
  • Suspicious use of WriteProcessMemory 18 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\ca7ed00659b9a1d7f17a9fef6e55718e.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:2160
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2528
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32 ..\cexyz1.dll
        2⤵
        • Process spawned unexpected child process
        PID:2424
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32 ..\cexyz2.dll
        2⤵
        • Process spawned unexpected child process
        PID:2536

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2160-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/2160-1-0x00000000724CD000-0x00000000724D8000-memory.dmp

            Filesize

            44KB

          • memory/2160-3-0x00000000724CD000-0x00000000724D8000-memory.dmp

            Filesize

            44KB