Analysis

  • max time kernel
    144s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/09/2024, 13:11

General

  • Target

    $PLUGINSDIR/KuWoNsis_new.dll

  • Size

    101KB

  • MD5

    5b7d3fc9651089f373df83a9bdc922a7

  • SHA1

    e0ee059b261e89bef6bdc9392ea4a579686a410f

  • SHA256

    cb1e6695c6d55c3bd4b8d12cbe6a2e48687e72c84223256a3431560b2d4d7e59

  • SHA512

    5feaf4de80e9057c9b3fc2d5ef2a5b7ef857fa7de67e5e5aa56915d06cd42b8544a8e707140bf182ad4907fc51a022fa597316f27e481abe170ba2548d64f911

  • SSDEEP

    1536:D3h2lAZyQr64O173t81vfTvkrkuV4OclyTJafC1:Lh2l0yG6Z3O13y4OcluUC

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\KuWoNsis_new.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4364
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\KuWoNsis_new.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3232
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3232 -s 612
        3⤵
        • Program crash
        PID:2084
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3232 -ip 3232
    1⤵
      PID:2488

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads