Analysis

  • max time kernel
    146s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-03-2024 07:02

General

  • Target

    $PLUGINSDIR/nsExec.dll

  • Size

    6KB

  • MD5

    01e76fe9d2033606a48d4816bd9c2d9d

  • SHA1

    e46d8a9ed4d5da220c81baf5f1fdb94708e9aba2

  • SHA256

    ee052fd5141bf769b841846170aabf0d7c2bb922c74c623c3f109344534f7a70

  • SHA512

    62ef7095d1bf53354c20329c2ce8546c277aa0e791839c8a24108a01f9483a953979259e0ad04dbcab966444ee7cdd340f8c9557bc8f98e9400794f2751dc7e0

  • SSDEEP

    96:J7fhfKaGgchPzxK6bq+pKX6D8ZLidGgmkN738:HbGgGPzxeX6D8ZyGgmkN

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • 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:1172
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
      2⤵
        PID:4480
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4480 -s 620
          3⤵
          • Program crash
          PID:3260
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4480 -ip 4480
      1⤵
        PID:1868
      • 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 --no-appcompat-clear --mojo-platform-channel-handle=2720 --field-trial-handle=2256,i,16750283575152780128,2524258836761969159,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:1012

        Network

        MITRE ATT&CK Matrix

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        Downloads