Analysis

  • max time kernel
    726s
  • max time network
    862s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241211-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    25/12/2024, 20:41

General

  • Target

    $PLUGINSDIR/System.dll

  • Size

    10KB

  • MD5

    56a321bd011112ec5d8a32b2f6fd3231

  • SHA1

    df20e3a35a1636de64df5290ae5e4e7572447f78

  • SHA256

    bb6df93369b498eaa638b0bcdc4bb89f45e9b02ca12d28bcedf4629ea7f5e0f1

  • SHA512

    5354890cbc53ce51081a78c64ba9c4c8c4dc9e01141798c1e916e19c5776dac7c82989fad0f08c73e81aaba332dad81205f90d0663119af45550b97b338b9cc3

  • SSDEEP

    192:uv+cJZE61KRWJQO6tFiUdK7ckK4k7l1XRBm0w+NiHi1GSJ:uf6rtFRduQ1W+fG8

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\System.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2908
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2908 -s 612
        3⤵
        • Program crash
        PID:1960
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2908 -ip 2908
    1⤵
      PID:3636
    • 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 --string-annotations=is-enterprise-managed=no --field-trial-handle=1328,i,418820165226066361,4591810059585231024,262144 --variations-seed-version --mojo-platform-channel-handle=4088 /prefetch:8
      1⤵
        PID:556
      • 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 --string-annotations=is-enterprise-managed=no --field-trial-handle=5064,i,418820165226066361,4591810059585231024,262144 --variations-seed-version --mojo-platform-channel-handle=3044 /prefetch:8
        1⤵
          PID:3088
        • 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 --string-annotations=is-enterprise-managed=no --field-trial-handle=5264,i,418820165226066361,4591810059585231024,262144 --variations-seed-version --mojo-platform-channel-handle=5192 /prefetch:8
          1⤵
            PID:4036

          Network

                MITRE ATT&CK Enterprise v15

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