Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 12:42

General

  • Target

    $PLUGINSDIR/nsExec.dll

  • Size

    7KB

  • MD5

    4c77a65bb121bb7f2910c1fa3cb38337

  • SHA1

    94531e3c6255125c1a85653174737d275bc35838

  • SHA256

    5e66489393f159aa0fd30b630bb345d03418e9324e7d834b2e4195865a637cfe

  • SHA512

    df50eadf312469c56996c67007d31b85d00e91a4f40355e786536fc0336ac9c2fd8ad9df6e65ab390cc6f031aca28c92212ea23cc40eb600b82a63be3b5b8c04

  • SSDEEP

    96:JXmkmwmHDqaRrlfAF4IUIqhmKv6vBckXK9wSBl8gvElHturnNQaSGYuHr2DCP:JAjRrlfA6Nv6eWIElNurnNQZGdHc

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\nsExec.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3380
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4916
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 612
        3⤵
        • Program crash
        PID:2436
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4916 -ip 4916
    1⤵
      PID:5004

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads