Analysis

  • max time kernel
    126s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-09-2024 01:35

General

  • Target

    $PLUGINSDIR/nsExec.dll

  • Size

    6KB

  • MD5

    6c881f00ba860b17821d8813aa34dbc6

  • SHA1

    0e5a1e09b1ce1bc758d6977b913a8d9ccbe52a13

  • SHA256

    bcb93204bd1854d0c34fa30883bab51f6813ab32abf7fb7d4aeed21d71f6af87

  • SHA512

    c78d6f43aa9bb35260a7bd300392ce809282660283fa6cb3059bae50d6db229b0b853cab7c949d4bdf19309fb183257b1c9feb01a66347e1c0adeb21543315b6

  • SSDEEP

    96:DOBtYZKtPsrqBApt1JHpb9XWk7Qe06iE6mE6YNFyVOHd0+ugwEX:DtZKtrAJJJbP7iEHEbN8Ved0PM

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:4844
    • 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:1944
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 612
        3⤵
        • Program crash
        PID:4244
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1944 -ip 1944
    1⤵
      PID:1504
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4400,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4164 /prefetch:8
      1⤵
        PID:3044

      Network

      MITRE ATT&CK Enterprise v15

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      Downloads