Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    15/03/2024, 05:07

General

  • Target

    https://kittenassist.cc/

Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://kittenassist.cc/
    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:956
    • 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,0x7ffae26f9758,0x7ffae26f9768,0x7ffae26f9778
      2⤵
        PID:3116
      • 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=1580 --field-trial-handle=1800,i,11658418103126604333,16284623609161462240,131072 /prefetch:2
        2⤵
          PID:4916
        • 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=2072 --field-trial-handle=1800,i,11658418103126604333,16284623609161462240,131072 /prefetch:8
          2⤵
            PID:3132
          • 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=2188 --field-trial-handle=1800,i,11658418103126604333,16284623609161462240,131072 /prefetch:8
            2⤵
              PID:2316
            • 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=1800,i,11658418103126604333,16284623609161462240,131072 /prefetch:1
              2⤵
                PID:4736
              • 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=3052 --field-trial-handle=1800,i,11658418103126604333,16284623609161462240,131072 /prefetch:1
                2⤵
                  PID:4480
                • 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=4960 --field-trial-handle=1800,i,11658418103126604333,16284623609161462240,131072 /prefetch:8
                  2⤵
                    PID:1012
                  • 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=5056 --field-trial-handle=1800,i,11658418103126604333,16284623609161462240,131072 /prefetch:8
                    2⤵
                      PID:2356
                    • 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=5152 --field-trial-handle=1800,i,11658418103126604333,16284623609161462240,131072 /prefetch:1
                      2⤵
                        PID:1800
                      • 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=5316 --field-trial-handle=1800,i,11658418103126604333,16284623609161462240,131072 /prefetch:1
                        2⤵
                          PID:1356
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=3124 --field-trial-handle=1800,i,11658418103126604333,16284623609161462240,131072 /prefetch:8
                          2⤵
                            PID:1360
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=video_capture.mojom.VideoCaptureService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5452 --field-trial-handle=1800,i,11658418103126604333,16284623609161462240,131072 /prefetch:8
                            2⤵
                            • Modifies registry class
                            PID:752
                          • 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=5396 --field-trial-handle=1800,i,11658418103126604333,16284623609161462240,131072 /prefetch:8
                            2⤵
                              PID:2940
                            • 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=3144 --field-trial-handle=1800,i,11658418103126604333,16284623609161462240,131072 /prefetch:8
                              2⤵
                                PID:4948
                              • 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=5008 --field-trial-handle=1800,i,11658418103126604333,16284623609161462240,131072 /prefetch:8
                                2⤵
                                  PID:2988
                                • 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=10.0.22000.1 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=748 --field-trial-handle=1800,i,11658418103126604333,16284623609161462240,131072 /prefetch:2
                                  2⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:2344
                              • 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:1088

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

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                                Downloads

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000004

                                  Filesize

                                  37KB

                                  MD5

                                  8729782f19919a112ee0a416c39c3b4b

                                  SHA1

                                  e3eebd369daf8b2f4a571a2a9580c1abe6c2e0a3

                                  SHA256

                                  0f8ba61c87cf18816d209580426067080e1e570e23a29d6cd5b94eec6035cce8

                                  SHA512

                                  c8779eaba1703e5a700b1b927d18d3f58f5f22bdb6669c7fd7ab3d9e14a365fef2459bc4017dd444b4aeb6f85db25ed5b618b39a4190190d73d541d0fcf97d6e

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

                                  Filesize

                                  2KB

                                  MD5

                                  169637a7b5b4ceb2cdb2c311d80e3a55

                                  SHA1

                                  56c2ee1a902f900c2a31403cf3c689a9f3a52fff

                                  SHA256

                                  b425ecc590d02e56a570dcfa156b1e628e271154b9b1da4af3158896aba83709

                                  SHA512

                                  015ce650e6b3ef7aa4665b991cdf9d574f38ea262bdf2deab5a065c6287b83a852bbbd83e1cb7af11f7ceeb4d036adb8e3bc59d90ac8a3ff3aafb062a81e5406

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

                                  Filesize

                                  2KB

                                  MD5

                                  4dd92a8fb41b3b13986fff0085715a87

                                  SHA1

                                  217a5f9bdec2de0d85d635957021533294cda5e0

                                  SHA256

                                  e5c376b7b6004da95644c4592d37f973e60a802c7ef8a499f62a3dae795eb9ab

                                  SHA512

                                  c53c8fc31a8906ea508c4830e676d6ca209710aac4c806f2768b9feebc9002bdc2b7cf780c245089d7711593dbd5ece1c8489f4e2c81e6a30285484aee099225

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

                                  Filesize

                                  875B

                                  MD5

                                  26d41142ed1f2c4e72adf9ba6ffd839f

                                  SHA1

                                  6f6cf7f606c00f9318179326c413d7dd5cacdd4a

                                  SHA256

                                  84a3c00d176a605db5d3db33538098541bdd3aa121b947fff6230f5deaabcf8e

                                  SHA512

                                  b1c94e6d42c644003aa34e00ba69620d68aba07fb95082dfb182209ad077be4ac97154ba674199ef288c4cd91fbc405147303e52d13914524946c24ea49bdab4

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

                                  Filesize

                                  1KB

                                  MD5

                                  438bd2849cca1d8f1a0d17b45e837a48

                                  SHA1

                                  8ef0983482155495923485af68bdcbfe1a7fa716

                                  SHA256

                                  5aa7b4f11ede680f685172a455ebf93b89499caad4f46f64f4a67c3ff4def098

                                  SHA512

                                  06b51322746b718228ab7bf07d770902b021bc91a247b48235bcb664d8bb44c4ec34368aba5c4afee81d4fa6c99fe59a10252484e9d516605888eee5a62c4a18

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

                                  Filesize

                                  6KB

                                  MD5

                                  232f5b2aafdaa756891c48ea01b0d955

                                  SHA1

                                  521edf13c6ddc71150971a849956c791fa619258

                                  SHA256

                                  6ff3311104965d7fc7d46961cdfb6b4a9f73091360e37be5b0396dae73e83b53

                                  SHA512

                                  e83cc08d4979e61008af08f92517d8f7237affbc5d652a39d7ac8cf6b4cef4b0aeb6b8bb27c5ddada238b9575f7dfc9565864da9ba9647fc405ac62f0298b766

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

                                  Filesize

                                  6KB

                                  MD5

                                  a2dcdfaa9ee38d2676e961016569d30b

                                  SHA1

                                  663db83575aef6651c5a50823768ed12e86c56ac

                                  SHA256

                                  625cdfd1a29da4a39c96a6fe72bb1f6f25c30d9175192dd7f202feec25bc78bb

                                  SHA512

                                  89a8357bb4207ed9696759b2ec8c6997814678997b6e4d07e39ec8504efad934948a563f9d73493f10de184e5cc3cad804f0f8ae5010611b134fc721d35c2850

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

                                  Filesize

                                  131KB

                                  MD5

                                  b3adf79a299737cab2d54eaf6cd26a03

                                  SHA1

                                  40ab5f5cfcfa2ee559b95b99876edfce89b7e9ea

                                  SHA256

                                  8c9205dc38b07a66713eb7a086b8a6d2e7fbe19d3f3544802ce344e4dba91a1b

                                  SHA512

                                  011d082b72a20bd53e86b30bdc40448a973a9470f5a0311ae5777d00b255031228f17c1e316647d4de45168f61d9b6fa006bbd44d468367766ad6e4f5e348640

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

                                  Filesize

                                  132KB

                                  MD5

                                  f08f12f9ee96a8c0b1c8557160b6084d

                                  SHA1

                                  5a3f712337ffef11ac3a773f179e7afa243a0296

                                  SHA256

                                  0b528c3d7476c3826777a4541a5714144f3cf4233c1b3836315d8c47b3792828

                                  SHA512

                                  cfcd1f55ed0065134733ce43f0181419b665eef5ad07d34722d73639a327049673fabc8405d72971de9930dbbb264cef4a47afe5feae207e297f4c59541d7fc8

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

                                  Filesize

                                  151KB

                                  MD5

                                  2f967ba01b9fc85184e4a7142ff1b721

                                  SHA1

                                  4baf2dbf5220b40612aa7234d2810babf73ba526

                                  SHA256

                                  1dbec54be95397b8fd20f7cb2b0fd2fb9f05a973eddf69786fdd55d02cd3d284

                                  SHA512

                                  6762ed68bcfd1bc245ae21aa2ac5c815589a9283984f1a1c5362738f01c0f692eb83e00d1bdc76a8613d56e7c11a2c10f44731ffc0608ae6ab78c01646da8a70

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

                                  Filesize

                                  131KB

                                  MD5

                                  ac2967237d7e6ee531dbaad4e45f0d0d

                                  SHA1

                                  ac78c6061ed823536dcfb0ed3b233a19037c618e

                                  SHA256

                                  1ed88280db06be95c424f302ae24602ec80922402edf0b4960cda0de89031e9c

                                  SHA512

                                  b797120d9a5a9d3e416b8957065ad586151fd2c7a349ae321502c65b4d9240bc4f6118066c95f9dc803959734f8fd18d20044ebb0261523297e1b7ee2329a3ec

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

                                  Filesize

                                  94KB

                                  MD5

                                  203cb3fc1f1bea5ad4fef176aa2185cb

                                  SHA1

                                  baa36496224b083bd1fd947e07847b0624a96660

                                  SHA256

                                  a3c6e70577c9173cfd4019cfff598a08082112926eb6c700ab474fc09dcc2222

                                  SHA512

                                  1579037f4cc98dcc613390dc65debcbdb4e9fd5623ac7bc191563c537df838083d9be985f8a3b5aea9f01ad56b98151f682bb3b9394a9ca12e6c4ba5b97bd19b

                                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache~RFe57fc23.TMP

                                  Filesize

                                  93KB

                                  MD5

                                  c19cf856a67b4a2f7d0f5d27994b1cf2

                                  SHA1

                                  cbbc6ab68ddc5bee8a821bc594ce087841f87cef

                                  SHA256

                                  fbcc4e99cbb4499ee75af0c8872f2d1ddcec5a05be702247c6b1e0a1573a243b

                                  SHA512

                                  1f14204914e8dcdfdee413a7e708357756aa3336c8a3eef526234933d400551d866828fe86ad023a0134555b5afb3ab1c22c5ca911fcbbc5917195225ed0ba12

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

                                  Filesize

                                  2B

                                  MD5

                                  99914b932bd37a50b983c5e7c90ae93b

                                  SHA1

                                  bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                                  SHA256

                                  44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                                  SHA512

                                  27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd