Analysis

  • max time kernel
    219s
  • max time network
    318s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-04-2024 23:01

General

  • Target

    api-ms-win-crt-private-l1-1-0.dll

  • Size

    62KB

  • MD5

    682bf6b9c07a64929a4484db51d6c13d

  • SHA1

    07672ce8f08db3b1d745b71e9db3e4729c70793c

  • SHA256

    bdd0cca431ee362bed4f2c1eccafb22aa8dd51d57014be8297789175e5c11f2e

  • SHA512

    e4ae0fc24114a58baede8443cb9275811c12a321ac898cda89efbd07474b8e60a564c55bbd82e37f521bf46b05fc1ca876f9b33f6d4bbbaed9fe0f03c937fce1

  • SSDEEP

    1536:KaYDe5c4bFAcvxXWpDid3334BkZnGPMwPn7+9:6De5c4bFAcvxXWpDid3334BkZnGPMwP2

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\api-ms-win-crt-private-l1-1-0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\api-ms-win-crt-private-l1-1-0.dll,#1
      2⤵
        PID:1200
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1200 -s 600
          3⤵
          • Program crash
          PID:4768
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1200 -ip 1200
      1⤵
        PID:3392
      • 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=2232 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:3592

        Network

        MITRE ATT&CK Matrix

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        Downloads