Resubmissions

25-02-2024 07:58

240225-jtv6jafc42 1

25-02-2024 07:57

240225-jtmt6afc35 1

25-02-2024 07:56

240225-jsxmzaga2w 1

25-02-2024 07:55

240225-jsdj4afh9z 1

25-02-2024 07:52

240225-jqkwdsfh7t 1

Analysis

  • max time kernel
    54s
  • max time network
    48s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    25-02-2024 07:56

General

  • Target

    Krunker_Central_-_Official_Krunker_Client_Download.html

  • Size

    76KB

  • MD5

    956d3cf196b9b22f470171dbe87274ec

  • SHA1

    c6c165376f48e68f3bb569fce324cbd4d8225a28

  • SHA256

    73ee7a801bbc96db836db54768cff7ee1def24f06f645c6aaddf664d5bc1eaad

  • SHA512

    2cd6be990c1374e4848b10a760b5642530ac80643f92645d33169b074035baf467d19347a74016630cf2d4c8b70f0b5ec2736f6b4fc36ab5953980aba7682c79

  • SSDEEP

    1536:9NfAwr2CjuMOAyUdG1uFuyLHIt6+d5Ar/LdZQBLTjcrD5IrWQpV:fIMjIAyUdGeuyLHIt66edZQBLTjcX5L2

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 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 12 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument C:\Users\Admin\AppData\Local\Temp\Krunker_Central_-_Official_Krunker_Client_Download.html
    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:4048
    • 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=0x100,0x104,0x108,0xdc,0x10c,0x7fff9a729758,0x7fff9a729768,0x7fff9a729778
      2⤵
        PID:2120
      • 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=1648 --field-trial-handle=1816,i,7598015430090865960,17929648760769413319,131072 /prefetch:2
        2⤵
          PID:4640
        • 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=2092 --field-trial-handle=1816,i,7598015430090865960,17929648760769413319,131072 /prefetch:8
          2⤵
            PID:1472
          • 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=2136 --field-trial-handle=1816,i,7598015430090865960,17929648760769413319,131072 /prefetch:8
            2⤵
              PID:4920
            • 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=3064 --field-trial-handle=1816,i,7598015430090865960,17929648760769413319,131072 /prefetch:1
              2⤵
                PID:1044
              • 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=3036 --field-trial-handle=1816,i,7598015430090865960,17929648760769413319,131072 /prefetch:1
                2⤵
                  PID:3552
                • 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=4760 --field-trial-handle=1816,i,7598015430090865960,17929648760769413319,131072 /prefetch:8
                  2⤵
                    PID:896
                  • 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=5068 --field-trial-handle=1816,i,7598015430090865960,17929648760769413319,131072 /prefetch:8
                    2⤵
                      PID:2656
                    • 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=5052 --field-trial-handle=1816,i,7598015430090865960,17929648760769413319,131072 /prefetch:1
                      2⤵
                        PID:5008
                      • 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=5204 --field-trial-handle=1816,i,7598015430090865960,17929648760769413319,131072 /prefetch:1
                        2⤵
                          PID:1008
                        • 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=11 --mojo-platform-channel-handle=4004 --field-trial-handle=1816,i,7598015430090865960,17929648760769413319,131072 /prefetch:1
                          2⤵
                            PID:1748
                          • 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=3324 --field-trial-handle=1816,i,7598015430090865960,17929648760769413319,131072 /prefetch:8
                            2⤵
                              PID:3652
                            • 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=13 --mojo-platform-channel-handle=4616 --field-trial-handle=1816,i,7598015430090865960,17929648760769413319,131072 /prefetch:1
                              2⤵
                                PID:1772
                              • 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=14 --mojo-platform-channel-handle=3124 --field-trial-handle=1816,i,7598015430090865960,17929648760769413319,131072 /prefetch:1
                                2⤵
                                  PID:940
                                • 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=15 --mojo-platform-channel-handle=3232 --field-trial-handle=1816,i,7598015430090865960,17929648760769413319,131072 /prefetch:1
                                  2⤵
                                    PID:3856
                                  • 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=16 --mojo-platform-channel-handle=5196 --field-trial-handle=1816,i,7598015430090865960,17929648760769413319,131072 /prefetch:1
                                    2⤵
                                      PID:2480
                                    • 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=17 --mojo-platform-channel-handle=4588 --field-trial-handle=1816,i,7598015430090865960,17929648760769413319,131072 /prefetch:1
                                      2⤵
                                        PID:1220
                                      • 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=18 --mojo-platform-channel-handle=1508 --field-trial-handle=1816,i,7598015430090865960,17929648760769413319,131072 /prefetch:1
                                        2⤵
                                          PID:4208
                                      • 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:1244

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\0cb852d1-b31e-4223-82ea-5e15f506bc50.tmp

                                          Filesize

                                          6KB

                                          MD5

                                          219f55c00a12f6d62e7e3f729cc7e5da

                                          SHA1

                                          5d323008d4f89d62d68a2b008639722e3545b48b

                                          SHA256

                                          bef2f5a67a87b4281766a3e7afb47678e9e2ee589827ea3f02d3178515000b97

                                          SHA512

                                          1f0800c6726d5487307ec30c1aea94924a0150a9e4a94d70dcace610ea8a343aa76a0a08079de8b154f45a39be1027b7286e1e2f2e9c253caf24489be0dbf9d6

                                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000011

                                          Filesize

                                          195KB

                                          MD5

                                          873734b55d4c7d35a177c8318b0caec7

                                          SHA1

                                          469b913b09ea5b55e60098c95120cc9b935ddb28

                                          SHA256

                                          4ee3aa3dc43cb3ef3f6bfb91ed8214659e9c2600a45bee9728ebbcb6f33b088d

                                          SHA512

                                          24f05ed981e994475879ca2221b6948418c4412063b9c07f46b8de581047ddd5d73401562fa9ee54d4ce5f97a6288c54eac5de0ca29b1bb5797bdac5a1b30308

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

                                          Filesize

                                          240B

                                          MD5

                                          5feb21b55c07fe2f5429811603587bc8

                                          SHA1

                                          46da13eead83e03b5846abe594d00e7750bd0086

                                          SHA256

                                          039de1be72dab4f87d3091214d6dab644dd002b36220eb8376b885b45a29ccc1

                                          SHA512

                                          c928e37c4c652168a7a202c794a08ba365344eae98f09e7805975e9ea411c25751f0651a5c760d76b93942e6fd276f9e4089dc72967474a572a40ef340c9efb1

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

                                          Filesize

                                          1KB

                                          MD5

                                          fbb97e2caecda7a239cf97c8936b5272

                                          SHA1

                                          355170ec038b5c855f28f37f82e4de074f9eb082

                                          SHA256

                                          e9fa8ca2e10e15dc09a1b175c4399d300843736f76dd1fe228dfc60031463d60

                                          SHA512

                                          f9d82e0c91546cca25a9d8cd4f044ea11734d813eb53742ed7a77eb1609e9adda69b9f0f525e5474fe9dc4cd934fae3f23faee7cdc03941748801cc513cf3e7c

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

                                          Filesize

                                          1KB

                                          MD5

                                          f79a21e63b9f77bc21d0cd185247da23

                                          SHA1

                                          b9f382a5c29de75dba780eba7121c4ce515abc03

                                          SHA256

                                          24bb0734ae3184a50fd559027cb1cdbf67528a3d4926c0854ce6393fbf9cd61f

                                          SHA512

                                          51efd659e30175835ffe8b19988bbde2f85ddf79cd19087e8165a1f250bc70a464e3a9bda20007c6998c4cbb094a4987c58a0e390279982241e880ca773d2757

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

                                          Filesize

                                          1KB

                                          MD5

                                          02b0992337389cb5c30aa845d4f9a35f

                                          SHA1

                                          c9da358f4b51080111602f7e3c50a7cfb584eef9

                                          SHA256

                                          390df25a0b682940b1e93d4a2f4765ddf505374e385423bbc93fb0a9203d0a02

                                          SHA512

                                          e0d598efe5283b4244f3455754580a42f10ce6e6142ae8586f3347be4b7715fb71d4cb29f06ff7bad2449ff58605fb9a4c29f507147e7d29a6a76979500c39d2

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

                                          Filesize

                                          6KB

                                          MD5

                                          bd6b1cc958341a7bfb5fe1e3edab63de

                                          SHA1

                                          f8a6ffddd8c39f8060a7d0b737330c6b7a54bf9a

                                          SHA256

                                          d523410f8b562f2386d468af42bd6291ec59a4ca450933daca631765b2859522

                                          SHA512

                                          d4a7ae74c83ae6055071107c2101f2dae9799fec0e05726c87a881b3aa3ddfc0a5bd02edd6088fe034681d8aa64a9a4b5c65a782a4f4390337d0b34eadc1e3ee

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

                                          Filesize

                                          6KB

                                          MD5

                                          aa3adc4d8a5ab6e1d14c6751b26a382c

                                          SHA1

                                          ef4b6e2a884624a5f93a8c64cde40bc0e71b8e1a

                                          SHA256

                                          62917208a9cc847c7c2fd2a7d760464c2b8bd4238d3b18f3512847600de9c185

                                          SHA512

                                          cb2a33001c2d68da65e212eae267c294ae9e29cb1fb798edeceb1185fc1f2c94a4b55cf012d493fb1cc8f74faf24eba5487c2f84858edd95a0597b858e2296c0

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

                                          Filesize

                                          130KB

                                          MD5

                                          f8fecee378c9e49733fc9b192dc44268

                                          SHA1

                                          187a18aaf7e825f0e143035a865c30650c77dded

                                          SHA256

                                          56b064bfabf8ef398af746e527e9a531033714868ac7bb2ff49336340d165946

                                          SHA512

                                          3a289d55613372c52481d27473b802670a1ef307f0699b16bbdef40b35a7ea070ac3da8722fbd07e5f82824a77c034b05261b4bc3dcf97742f879e434ab50994

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

                                          Filesize

                                          130KB

                                          MD5

                                          b7e8f0f41e8708203f62342381938f80

                                          SHA1

                                          42fe83fcf824d462cb3919cb13bac9707bda2050

                                          SHA256

                                          57deeb5c74e162d6ce55e3c1c80383f2f0ff7273508a750f44700a59484a47e5

                                          SHA512

                                          7a75bfbb8f1df8cc359a772fc8848b8574005d72b97eba205931c022f7e2a3225464f4cbe53d3b28a8d343b978a2bc4307424328b44c8e906e3321b2f37d3a90

                                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache

                                          Filesize

                                          92KB

                                          MD5

                                          efac48427026ce6f2eb30037db382915

                                          SHA1

                                          717250968ef4299a1a0507e22eda748945b79de0

                                          SHA256

                                          b50e3ea230a9a8ff3bf6d1971b346f54f67a55959baf39be2bebece870fe00ff

                                          SHA512

                                          19e4c8a0d56b80fca1a777ea251e526fce65a93e58117662bd3a03fe1458737f58d9e5865bef24f077dbb9b5a4037e8160ccb72d19f4c7cfa39daa4723278470

                                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache~RFe57c7d4.TMP

                                          Filesize

                                          90KB

                                          MD5

                                          31ee80afc46035e41197a54e8a0eb524

                                          SHA1

                                          7b239004713baec29c3425da2bc36cb12aec80a5

                                          SHA256

                                          6dbf5bcb1874b36d8244bcadbba1807db1d156b9a2681c0995bd23487711922c

                                          SHA512

                                          760f2626ebdb205192508dc5cae16c05634f901f34daa7f8ad246a6443d0d80c9338b3b47864a66559de85d55827c08fd3d49fa622452ae8d87f1458605fd7a1

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

                                          Filesize

                                          2B

                                          MD5

                                          99914b932bd37a50b983c5e7c90ae93b

                                          SHA1

                                          bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                                          SHA256

                                          44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                                          SHA512

                                          27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd