Analysis

  • max time kernel
    134s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/04/2024, 03:09 UTC

General

  • Target

    $PLUGINSDIR/nsExec.dll

  • Size

    7KB

  • MD5

    675c4948e1efc929edcabfe67148eddd

  • SHA1

    f5bdd2c4329ed2732ecfe3423c3cc482606eb28e

  • SHA256

    1076ca39c449ed1a968021b76ef31f22a5692dfafeea29460e8d970a63c59906

  • SHA512

    61737021f86f54279d0a4e35db0d0808e9a55d89784a31d597f2e4b65b7bbeec99aa6c79d65258259130eeda2e5b2820f4f1247777a3010f2dc53e30c612a683

  • SSDEEP

    96:J9zdzBzMDByZtr/HDQIUIq9m6v6vBckzu9wSBpLEgvElHlernNQaSGYuH2DQ:JykDr/HA5v6G2IElFernNQZGdHW

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:2940
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsExec.dll,#1
      2⤵
        PID:3224
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3224 -s 612
          3⤵
          • Program crash
          PID:4048
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3224 -ip 3224
      1⤵
        PID:2108
      • 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=4144 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:4824

        Network

        • flag-us
          DNS
          104.219.191.52.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          104.219.191.52.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          0.204.248.87.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          0.204.248.87.in-addr.arpa
          IN PTR
          Response
          0.204.248.87.in-addr.arpa
          IN PTR
          https-87-248-204-0lhrllnwnet
        • flag-us
          DNS
          23.159.190.20.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          23.159.190.20.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          133.211.185.52.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          133.211.185.52.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          86.23.85.13.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          86.23.85.13.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          198.187.3.20.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          198.187.3.20.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          28.143.109.104.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          28.143.109.104.in-addr.arpa
          IN PTR
          Response
          28.143.109.104.in-addr.arpa
          IN PTR
          a104-109-143-28deploystaticakamaitechnologiescom
        • flag-us
          DNS
          240.197.17.2.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          240.197.17.2.in-addr.arpa
          IN PTR
          Response
          240.197.17.2.in-addr.arpa
          IN PTR
          a2-17-197-240deploystaticakamaitechnologiescom
        • flag-us
          DNS
          30.243.111.52.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          30.243.111.52.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          249.197.17.2.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          249.197.17.2.in-addr.arpa
          IN PTR
          Response
          249.197.17.2.in-addr.arpa
          IN PTR
          a2-17-197-249deploystaticakamaitechnologiescom
        • flag-us
          DNS
          2.17.178.52.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          2.17.178.52.in-addr.arpa
          IN PTR
          Response
        No results found
        • 8.8.8.8:53
          104.219.191.52.in-addr.arpa
          dns
          73 B
          147 B
          1
          1

          DNS Request

          104.219.191.52.in-addr.arpa

        • 8.8.8.8:53
          0.204.248.87.in-addr.arpa
          dns
          71 B
          116 B
          1
          1

          DNS Request

          0.204.248.87.in-addr.arpa

        • 8.8.8.8:53
          23.159.190.20.in-addr.arpa
          dns
          72 B
          158 B
          1
          1

          DNS Request

          23.159.190.20.in-addr.arpa

        • 8.8.8.8:53
          133.211.185.52.in-addr.arpa
          dns
          73 B
          147 B
          1
          1

          DNS Request

          133.211.185.52.in-addr.arpa

        • 8.8.8.8:53
          86.23.85.13.in-addr.arpa
          dns
          70 B
          144 B
          1
          1

          DNS Request

          86.23.85.13.in-addr.arpa

        • 8.8.8.8:53
          198.187.3.20.in-addr.arpa
          dns
          71 B
          157 B
          1
          1

          DNS Request

          198.187.3.20.in-addr.arpa

        • 8.8.8.8:53
          28.143.109.104.in-addr.arpa
          dns
          73 B
          139 B
          1
          1

          DNS Request

          28.143.109.104.in-addr.arpa

        • 8.8.8.8:53
          240.197.17.2.in-addr.arpa
          dns
          71 B
          135 B
          1
          1

          DNS Request

          240.197.17.2.in-addr.arpa

        • 8.8.8.8:53
          30.243.111.52.in-addr.arpa
          dns
          72 B
          158 B
          1
          1

          DNS Request

          30.243.111.52.in-addr.arpa

        • 8.8.8.8:53
          249.197.17.2.in-addr.arpa
          dns
          71 B
          135 B
          1
          1

          DNS Request

          249.197.17.2.in-addr.arpa

        • 8.8.8.8:53
          2.17.178.52.in-addr.arpa
          dns
          70 B
          144 B
          1
          1

          DNS Request

          2.17.178.52.in-addr.arpa

        MITRE ATT&CK Matrix

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