Analysis

  • max time kernel
    790s
  • max time network
    882s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241211-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    27-12-2024 19:55

General

  • Target

    $PLUGINSDIR/nsisFirewallW.dll

  • Size

    8KB

  • MD5

    f5bf81a102de52a4add21b8a367e54e0

  • SHA1

    cf1e76ffe4a3ecd4dad453112afd33624f16751c

  • SHA256

    53be5716ad80945cb99681d5dbda60492f5dfb206fbfdb776b769b3eeb18d2c2

  • SHA512

    6e280a75f706474ad31b2ce770fa34f54cb598528fac4477c466200a608b79c0f9b84011545595d9ba94331ad08e2f51bd42de91f92379db27686a28ba351256

  • SSDEEP

    96:8SMPv+eLDUDp+weLv2lstU+0IgNB2Aa20kdArfOwJKbFrMiRsuHdRYL:wnxLDUwp6sgN2RDrzJMMmsuYL

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\nsisFirewallW.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1052
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsisFirewallW.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1188
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1188 -s 612
        3⤵
        • Program crash
        PID:2268
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1188 -ip 1188
    1⤵
      PID:2444
    • 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=1308,i,18033710974209630210,2205953364507939555,262144 --variations-seed-version --mojo-platform-channel-handle=4200 /prefetch:8
      1⤵
        PID:4192
      • 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=3876,i,18033710974209630210,2205953364507939555,262144 --variations-seed-version --mojo-platform-channel-handle=3112 /prefetch:8
        1⤵
          PID:1440
        • 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=4784,i,18033710974209630210,2205953364507939555,262144 --variations-seed-version --mojo-platform-channel-handle=3964 /prefetch:8
          1⤵
            PID:4644

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads