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Analysis

  • max time kernel
    151s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/05/2024, 15:30 UTC

General

  • Target

    $PLUGINSDIR/StdUtils.dll

  • Size

    100KB

  • MD5

    c6a6e03f77c313b267498515488c5740

  • SHA1

    3d49fc2784b9450962ed6b82b46e9c3c957d7c15

  • SHA256

    b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

  • SHA512

    9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

  • SSDEEP

    3072:WNuZmJ9TDP3ahD2TF7Rq9cJNPhF9vyHf:WNuZ81zaAFHhF9v

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\StdUtils.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4888
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\StdUtils.dll,#1
      2⤵
        PID:956
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 956 -s 628
          3⤵
          • Program crash
          PID:3640
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 956 -ip 956
      1⤵
        PID:2672
      • 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=1416 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:1188

        Network

        • flag-us
          DNS
          154.239.44.20.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          154.239.44.20.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          79.190.18.2.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          79.190.18.2.in-addr.arpa
          IN PTR
          Response
          79.190.18.2.in-addr.arpa
          IN PTR
          a2-18-190-79deploystaticakamaitechnologiescom
        • flag-us
          DNS
          103.169.127.40.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          103.169.127.40.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          171.39.242.20.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          171.39.242.20.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          101.58.20.217.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          101.58.20.217.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          69.31.126.40.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          69.31.126.40.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          228.249.119.40.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          228.249.119.40.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          167.89.28.184.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          167.89.28.184.in-addr.arpa
          IN PTR
          Response
          167.89.28.184.in-addr.arpa
          IN PTR
          a184-28-89-167deploystaticakamaitechnologiescom
        • flag-us
          DNS
          13.86.106.20.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          13.86.106.20.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          209.205.72.20.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          209.205.72.20.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          11.227.111.52.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          11.227.111.52.in-addr.arpa
          IN PTR
          Response
        • flag-us
          DNS
          30.73.42.20.in-addr.arpa
          Remote address:
          8.8.8.8:53
          Request
          30.73.42.20.in-addr.arpa
          IN PTR
          Response
        • 142.250.187.234:443
          46 B
          40 B
          1
          1
        • 13.107.246.64:443
          46 B
          40 B
          1
          1
        • 8.8.8.8:53
          154.239.44.20.in-addr.arpa
          dns
          72 B
          158 B
          1
          1

          DNS Request

          154.239.44.20.in-addr.arpa

        • 8.8.8.8:53
          79.190.18.2.in-addr.arpa
          dns
          70 B
          133 B
          1
          1

          DNS Request

          79.190.18.2.in-addr.arpa

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

          DNS Request

          103.169.127.40.in-addr.arpa

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

          DNS Request

          171.39.242.20.in-addr.arpa

        • 8.8.8.8:53
          101.58.20.217.in-addr.arpa
          dns
          72 B
          132 B
          1
          1

          DNS Request

          101.58.20.217.in-addr.arpa

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

          DNS Request

          69.31.126.40.in-addr.arpa

        • 8.8.8.8:53
          228.249.119.40.in-addr.arpa
          dns
          73 B
          159 B
          1
          1

          DNS Request

          228.249.119.40.in-addr.arpa

        • 8.8.8.8:53
          167.89.28.184.in-addr.arpa
          dns
          72 B
          137 B
          1
          1

          DNS Request

          167.89.28.184.in-addr.arpa

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

          DNS Request

          13.86.106.20.in-addr.arpa

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

          DNS Request

          209.205.72.20.in-addr.arpa

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

          DNS Request

          11.227.111.52.in-addr.arpa

        • 8.8.8.8:53
          30.73.42.20.in-addr.arpa
          dns
          70 B
          156 B
          1
          1

          DNS Request

          30.73.42.20.in-addr.arpa

        MITRE ATT&CK Matrix

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