Analysis

  • max time kernel
    138s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-10-2024 20:18

General

  • Target

    $SYSDIR/npptools.dll

  • Size

    53KB

  • MD5

    841007a04750a9acb56dd82095300d15

  • SHA1

    58c1e338bc78a54795a844b559b614004e53d3cb

  • SHA256

    a15c409af481494fa8c3d82ec0dc7c67075a706160cc060bec982e40c060d578

  • SHA512

    dcaeae21ffc2479fc595632a93e082396caea1eb6c4093e24c199a5ee3dd09248dfb5fe11ea200034e2be928b2db09218d9d763428294347ccd63f4cad4c06de

  • SSDEEP

    1536:4rCCQcntQk9Dh5jGTs3NlTawNH0QJu1E2RoYH:4OpKDbBawNH0Qo1EsoI

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\npptools.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3388
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\npptools.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3040
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 636
        3⤵
        • Program crash
        PID:1556
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3040 -ip 3040
    1⤵
      PID:1152

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads