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05/01/2024, 07:55

240105-jsg8aafhdp 1

05/01/2024, 07:53

240105-jqyr9aggd9 1

05/01/2024, 07:48

240105-jnf5esgga2 1

05/01/2024, 07:45

240105-jlehtagfe6 1

05/01/2024, 07:39

240105-jg8absgeh8 1

05/01/2024, 07:28

240105-ja64paffar 1

Analysis

  • max time kernel
    155s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-ja
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-jalocale:ja-jpos:windows10-2004-x64systemwindows
  • submitted
    05/01/2024, 07:48

General

  • Target

    https://www.fenet.jp

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://www.fenet.jp
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4700
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ff899449758,0x7ff899449768,0x7ff899449778
      2⤵
        PID:936
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1716 --field-trial-handle=1896,i,14148737850302229752,12175888762786782208,131072 /prefetch:2
        2⤵
          PID:828
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2152 --field-trial-handle=1896,i,14148737850302229752,12175888762786782208,131072 /prefetch:8
          2⤵
            PID:796
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2236 --field-trial-handle=1896,i,14148737850302229752,12175888762786782208,131072 /prefetch:8
            2⤵
              PID:4024
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3124 --field-trial-handle=1896,i,14148737850302229752,12175888762786782208,131072 /prefetch:1
              2⤵
                PID:1696
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3152 --field-trial-handle=1896,i,14148737850302229752,12175888762786782208,131072 /prefetch:1
                2⤵
                  PID:2384
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5444 --field-trial-handle=1896,i,14148737850302229752,12175888762786782208,131072 /prefetch:8
                  2⤵
                    PID:1372
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5448 --field-trial-handle=1896,i,14148737850302229752,12175888762786782208,131072 /prefetch:8
                    2⤵
                      PID:4000
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=4472 --field-trial-handle=1896,i,14148737850302229752,12175888762786782208,131072 /prefetch:1
                      2⤵
                        PID:2724
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=5480 --field-trial-handle=1896,i,14148737850302229752,12175888762786782208,131072 /prefetch:1
                        2⤵
                          PID:416
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --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=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1852 --field-trial-handle=1896,i,14148737850302229752,12175888762786782208,131072 /prefetch:2
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:3540
                      • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                        "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                        1⤵
                          PID:2380

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

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                        Downloads

                        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506

                          Filesize

                          330B

                          MD5

                          5ea20d85e4e5c933ee4358903439bef5

                          SHA1

                          58071896c6f3111d44beac0e36ef007e5db7d0b3

                          SHA256

                          a92de30e64e4c28ce52c11f90aa71a751a4f9154eecafb9af6fdc2bb1a971b94

                          SHA512

                          973863b4a4d620e4a70bf88922b639636bbb83de206e55d3b82c661e9770d5087feeb66639c1f658634f1acf92b533a5bd34ee96593915fb57cbda2d505a9aa2

                        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506

                          Filesize

                          330B

                          MD5

                          5b518a886325f69707e788e25e627fda

                          SHA1

                          cd070a4efc2b43b4f96bdba5cdd4b794a33bb194

                          SHA256

                          2a5dfec4012ff5879b24526a483ff27619f6244ae1218bbd942c805797b12833

                          SHA512

                          a8551fbaa76d554821ea5130b4676197fc0befc641ad8bf281b4cde31a197b011ef04ea9771d9d29878c4e1eb459d97aa16636708cbb92c57c701795d5a298f9

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index

                          Filesize

                          120B

                          MD5

                          41060e9f2dee7febbbc018824d249717

                          SHA1

                          48724d4c8797294b35a9e3adbf7107d6542ffe31

                          SHA256

                          44dc23725755367dfa8464de70e4167b83c4b3bb5d55bd2b5b689c42ae3fe727

                          SHA512

                          3e60014b242915ca1d064eb826691606799e92a3eafbaa293c49120a38ab9517e330e9d15f05c99ad7228844cd1c07751cf27159fefec051930b6ecec2b08edd

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\File System\000\t\Paths\CURRENT

                          Filesize

                          16B

                          MD5

                          46295cac801e5d4857d09837238a6394

                          SHA1

                          44e0fa1b517dbf802b18faf0785eeea6ac51594b

                          SHA256

                          0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                          SHA512

                          8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

                          Filesize

                          2KB

                          MD5

                          792287d81d66356313c4b4437c64a80d

                          SHA1

                          ef8f4b024009e60d102a85ba5b0f88c945f2ea52

                          SHA256

                          f678472b419777cbe1f0d13bbabd44cd0387a007f76444eb3857778e03f16e2c

                          SHA512

                          d86e9f49c4f3c29e77f869b18a2ab3dab41eb57a7c70255c4f804a59c97c3c7b1e53a6f9e5505ecb9e262cf424cf1de5199b0060e7a36d41c7f9f1ff3bad6658

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity

                          Filesize

                          871B

                          MD5

                          443112bdfce480401af6a3f0d7e2021e

                          SHA1

                          c37e6afadbe377d38a3b0e3895374c870aa875d6

                          SHA256

                          8bc693e67fdbba7f206c52503d5568a78626e1ca408f7e05c770ac2a54b23541

                          SHA512

                          7768a47da07f0e8ceb6e152fec7a30374c7b173f55646eb7ce8961ceaca3983e384858d3efdadf00a51243c240176df250d43bed745b63b9e27f9ebdaa1eec81

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity

                          Filesize

                          871B

                          MD5

                          f32f21fa0e36360555885e4d9cfc3690

                          SHA1

                          e042c629992a3d5f54fefd7e010cf53f16556da3

                          SHA256

                          aa5b754d4f773b45e9a910e3216f788a7ebf13cf937b3a11106034dfd07fc8bf

                          SHA512

                          165984ea8c2156a7750356457e3f03c3e89a729aa0487e3b118e21edbc4c602a5bfa9b402ea386a8353ff60cdc06328c0244797d8285f645278465a400e146d8

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                          Filesize

                          5KB

                          MD5

                          b0c2cab1b7efd9bf2399ffba71711845

                          SHA1

                          298c71b1ed8929614a434744b9c8fd4768bb0a42

                          SHA256

                          68d5b19b70667b826cbbee4d17aa7b99dfb0ef60bb356a97b96e8f1c6eb7ef9c

                          SHA512

                          ec9b203dde909e64d56f95c76d012d1d0e415ed06dfb48e1ae07661eb60a048cd68b3765f62a46749ed76e5ee046b1fd60adf2d44f0cd0ffb58b66dcbf2cfe27

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                          Filesize

                          8KB

                          MD5

                          a15967221a3ccb29103fdb8e6ceff6d9

                          SHA1

                          4986f72c90a6b88b1c441210d090d448f81d63bd

                          SHA256

                          081df3332d31e745d86300306ff7cff4700bafb44552fa24593c7e30226b97c6

                          SHA512

                          43ce0f66707de0935980e3636bf23a78c74e3cc248a7441a658ad534910be00a11cf7f39962b17e7467003c64ccf6ccaf4e0f6d157fe7b209a6d911705bfefb1

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                          Filesize

                          114KB

                          MD5

                          b18003a540d94bd57f3f52d7aeacd602

                          SHA1

                          c4602be0ec8d373daf2efd9cf46c646ca4532506

                          SHA256

                          7dd9bcf098097e27499e62e9ce9922679910bc62efedb3ad668aef7c51981bbe

                          SHA512

                          6b06dea42ce4da252ed07cd716ed549a175db985697ba0694e4115ac14722ca622e9a8307e054c13606ea2b0c12837661b090e75651a45719ba7d07401d8eda9

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

                          Filesize

                          2B

                          MD5

                          99914b932bd37a50b983c5e7c90ae93b

                          SHA1

                          bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                          SHA256

                          44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                          SHA512

                          27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd