Analysis

  • max time kernel
    90s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2024, 16:10

General

  • Target

    $PLUGINSDIR/NsisInstallUI.dll

  • Size

    1.8MB

  • MD5

    69b36f5513e880105fe0994feef54e70

  • SHA1

    57b689dbf36719e17a9f16ad5245c8605d59d4c0

  • SHA256

    531d1191eded0bf76abb40f0367efa2f4e4554123dc2373cf23ee3af983b6d5f

  • SHA512

    c5c09d81a601f8060acf6d9eeaa9e417843bb37b81d5de6b5c70fb404a529c2b906d4bb0995d574dd5a3b4986e3cbe20882aa3e8349e31ff26bdb832692596bd

  • SSDEEP

    24576:PHI9QRkU8s2UDY3r58zoPOfxLcbyTRsr5:fyQn8jUE7HmKbQi

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\$PLUGINSDIR\NsisInstallUI.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:888
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NsisInstallUI.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1768
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1768 -s 640
        3⤵
        • Program crash
        PID:1116
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1768 -ip 1768
    1⤵
      PID:952

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads