Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2023 01:21

General

  • Target

    pcoptimizerpro.exe

  • Size

    6.3MB

  • MD5

    fa4ede5eecd9f2d297118e758d32bff9

  • SHA1

    d24638f7e4239106a59a5656f160b1f7139eb3af

  • SHA256

    5f549377b3b29c07a1116b78012b68b87a43c93e545917f34c49d71db424ee03

  • SHA512

    4d3b53d9301b091057042a2036362848cec06940acebdcad738fcdfd61ce8d0c6e91170c9398dae34ea8d3c462adcd7f6925be498eebc1954f46a9a07e4522eb

  • SSDEEP

    98304:LTYHghwHBnJyQ5suAZpO6HLq+Ui5JGuObJWru+mDUbqBMFpJx0nZyrSMrKmCC:4AhwHBpdfZSJ7jN1bqBQJxLrSMqC

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 10 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\pcoptimizerpro.exe
    "C:\Users\Admin\AppData\Local\Temp\pcoptimizerpro.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4560
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://pcspeedup.repairandsecure.com/
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:5084
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7fffc7bd46f8,0x7fffc7bd4708,0x7fffc7bd4718
        3⤵
          PID:4312
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2136,17043833668054510315,2418167778044390512,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2784 /prefetch:8
          3⤵
            PID:5032
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2136,17043833668054510315,2418167778044390512,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2216 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:2432
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2136,17043833668054510315,2418167778044390512,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2160 /prefetch:2
            3⤵
              PID:1124
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,17043833668054510315,2418167778044390512,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3232 /prefetch:1
              3⤵
                PID:2452
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,17043833668054510315,2418167778044390512,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3216 /prefetch:1
                3⤵
                  PID:4744
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,17043833668054510315,2418167778044390512,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4012 /prefetch:1
                  3⤵
                    PID:400
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,17043833668054510315,2418167778044390512,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4284 /prefetch:1
                    3⤵
                      PID:892
                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2136,17043833668054510315,2418167778044390512,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5336 /prefetch:8
                      3⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:4652
                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2136,17043833668054510315,2418167778044390512,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5336 /prefetch:8
                      3⤵
                        PID:3268
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,17043833668054510315,2418167778044390512,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3860 /prefetch:1
                        3⤵
                          PID:4068
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,17043833668054510315,2418167778044390512,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4044 /prefetch:1
                          3⤵
                            PID:1396
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,17043833668054510315,2418167778044390512,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5008 /prefetch:1
                            3⤵
                              PID:220
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,17043833668054510315,2418167778044390512,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3520 /prefetch:1
                              3⤵
                                PID:4124
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,17043833668054510315,2418167778044390512,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3084 /prefetch:1
                                3⤵
                                  PID:5592
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,17043833668054510315,2418167778044390512,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5628 /prefetch:1
                                  3⤵
                                    PID:1900
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2136,17043833668054510315,2418167778044390512,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2088 /prefetch:2
                                    3⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:5444
                                • C:\Users\Admin\AppData\Local\Temp\F22A1F72.exe
                                  "C:\Users\Admin\AppData\Local\Temp\F22A1F72.exe"
                                  2⤵
                                  • Executes dropped EXE
                                  • Suspicious use of WriteProcessMemory
                                  PID:3688
                                  • C:\Users\Admin\AppData\Local\Temp\is-9OTFD.tmp\F22A1F72.tmp
                                    "C:\Users\Admin\AppData\Local\Temp\is-9OTFD.tmp\F22A1F72.tmp" /SL5="$501CE,6190213,53248,C:\Users\Admin\AppData\Local\Temp\F22A1F72.exe"
                                    3⤵
                                    • Executes dropped EXE
                                    PID:3188
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:3468
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:3524
                                  • C:\Windows\servicing\TrustedInstaller.exe
                                    C:\Windows\servicing\TrustedInstaller.exe
                                    1⤵
                                      PID:400

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                                      Filesize

                                      152B

                                      MD5

                                      4d6e17218d9a99976d1a14c6f6944c96

                                      SHA1

                                      9e54a19d6c61d99ac8759c5f07b2f0d5faab447f

                                      SHA256

                                      32e343d2794af8bc6f2f7c905b5df11d53db4ad8922b92ad5e7cc9c856509d93

                                      SHA512

                                      3fa166b3e2d1236298d8dda7071a6fcf2bde283f181b8b0a07c0bb8ba756d6f55fa8a847ca5286d4dbabc6dace67e842a118866320ac01bd5f93cccd3a032e47

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

                                      Filesize

                                      111B

                                      MD5

                                      285252a2f6327d41eab203dc2f402c67

                                      SHA1

                                      acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6

                                      SHA256

                                      5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026

                                      SHA512

                                      11ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                                      Filesize

                                      5KB

                                      MD5

                                      c17788569b13066e89531bed0aaa1d7d

                                      SHA1

                                      d5d761237446d482801a9f0ee0436db6980d523d

                                      SHA256

                                      7c87f00db796a4aa5d82cf7db4cf314098258a092132369ca4274aa182dd1a40

                                      SHA512

                                      1195b92c1f97216f2b01b59888a87e212611ded9197cbada22f0e2a394f44caf037d4142d77c46e02425d2d9d6fde1ef1a9f3c499d7331bbb4c7c8927c8e5cb9

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences

                                      Filesize

                                      24KB

                                      MD5

                                      c2ef1d773c3f6f230cedf469f7e34059

                                      SHA1

                                      e410764405adcfead3338c8d0b29371fd1a3f292

                                      SHA256

                                      185450d538a894e4dcf55b428f506f3d7baa86664fbbc67afd6c255b65178521

                                      SHA512

                                      2ef93803da4d630916bed75d678382fd1c72bff1700a1a72e2612431c6d5e11410ced4eaf522b388028aeadb08e8a77513e16594e6ab081f6d6203e4caa7d549

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                                      Filesize

                                      11KB

                                      MD5

                                      8735ffa70e8f6fa4ece9a1079cd23fc8

                                      SHA1

                                      f859c57e5ecd41a8759c96f13cb4bc8f8e0aa8f4

                                      SHA256

                                      8c60fd3268cefbfff293433891c062726d0c46711b55bd2e2d2713e6399d7cdc

                                      SHA512

                                      7e1a515055a1d5d3212742c161867e982a24a21a9c4f9a740546ba6c010260744fc14ae709a69062ff9586ea8067c2730d301d4ca9624e5d2334cff356d9a4b1

                                    • C:\Users\Admin\AppData\Local\Temp\F22A1F72.exe

                                      Filesize

                                      1.3MB

                                      MD5

                                      e9f86b51e5e9b03c9b03742df5879dce

                                      SHA1

                                      7d1d23eb4077f607b2c82a7fa759d220e4d5fbd0

                                      SHA256

                                      44bfaf41483ba7a0d439ef047fe0afdd0393dfbce860e551fb60c4737a834e75

                                      SHA512

                                      5f0f894b500e2bd4f955cfb29005572533dcc559e0e42b9accaae4931b8e8f2743d4f077b179b6f851794ef25dded0ef487c27106654577928a69753663dd0b7

                                    • C:\Users\Admin\AppData\Local\Temp\F22A1F72.exe

                                      Filesize

                                      1.0MB

                                      MD5

                                      e8cd4e0b19133e793b683e13e126748a

                                      SHA1

                                      c55500845a43a40df9c8f4fe705a7f6d32bdb3bf

                                      SHA256

                                      df277a7a3b3120b392236e18a6992a4965258cc90622fafd829c52fa38bad204

                                      SHA512

                                      90eb2de055f51d7e94cdb6e13aa8bc013e9c57d0f4d37ca03428269411e4ab80a09737beb10f86913f31fbc7752a18756678bce0f7902cc137b9ac113bb40481

                                    • C:\Users\Admin\AppData\Local\Temp\is-9OTFD.tmp\F22A1F72.tmp

                                      Filesize

                                      99KB

                                      MD5

                                      585460832081127a1328ef89fe96af32

                                      SHA1

                                      2bfac5fe2c2900efd12fac534b7f78ae03736c8d

                                      SHA256

                                      42e13a66193c2c77c362fe595167fd6157d9713c625fbf58deae92bb11a95082

                                      SHA512

                                      293d7557ae53eb69b6bf73bf59386908a361f4766c6d19a03fc12f574ef35e95441cea04b8de84fbac950cf7a467684e882006eaa6c7d6a2375acb240b74161c

                                    • C:\Users\Admin\AppData\Local\Temp\is-9OTFD.tmp\F22A1F72.tmp

                                      Filesize

                                      93KB

                                      MD5

                                      9a1b3533999b0f5404ed92617eedfcd5

                                      SHA1

                                      8c387618e8ddf28e821addc1f5753327a35ad85c

                                      SHA256

                                      a2e2bf99277b9bd83d9a079887329861ac8b1d393bc7e3ee2319ab6cc4c3276b

                                      SHA512

                                      1807a6c949138790a02eb212169ec8bf41373d84456214463016b4a07198d603ca59e050da6f338cf2845d35eb18c56e4523d9cad0106862c8c478e3db7fc733

                                    • memory/3188-19-0x0000000002210000-0x0000000002211000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3188-72-0x0000000000400000-0x00000000004B5000-memory.dmp

                                      Filesize

                                      724KB

                                    • memory/3188-95-0x0000000002210000-0x0000000002211000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3688-71-0x0000000000400000-0x0000000000414000-memory.dmp

                                      Filesize

                                      80KB

                                    • memory/3688-5-0x0000000000400000-0x0000000000414000-memory.dmp

                                      Filesize

                                      80KB

                                    • memory/4560-70-0x0000000000400000-0x0000000000420000-memory.dmp

                                      Filesize

                                      128KB