Analysis

  • max time kernel
    144s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-09-2024 03:20

General

  • Target

    $PLUGINSDIR/nsExec.dll

  • Size

    11KB

  • MD5

    7c0dc12cdc807a3bb4afda989a663f95

  • SHA1

    3db74d921bd68ce73834de4636bbec03b21723ff

  • SHA256

    0d022cc0aa60a3f41dbeb6776e9acb016ff3d42396e3371f15cc22352e621eb5

  • SHA512

    22301b351c0332fce7b0d6b21e2b1dc9a850658b8ac610bfa4fb9d02adfbdad30211f04edcabd4141574d243cb6333ef78adb6647860641c84e5d6dc6f635a20

  • SSDEEP

    192:nQux93kCB6nGYq1f9ymY1aulOaBETAJYkvQhHLrqNo25JF/:nLx937B6GY48HQulOGETAJYkvmLr0oSD

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:1412
    • 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:1616
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1616 -s 616
        3⤵
        • Program crash
        PID:2708
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 1616 -ip 1616
    1⤵
      PID:2228

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/1616-0-0x0000000075050000-0x0000000075059000-memory.dmp

      Filesize

      36KB