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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11/06/2024, 14:45

General

  • Target

    http://otter.ai

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 3 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://otter.ai
    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:4284
    • 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=110.0.5481.104 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffe140eab58,0x7ffe140eab68,0x7ffe140eab78
      2⤵
        PID:1864
      • 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=1632 --field-trial-handle=1824,i,5224645970362034929,17947361802404047800,131072 /prefetch:2
        2⤵
          PID:1904
        • 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=2100 --field-trial-handle=1824,i,5224645970362034929,17947361802404047800,131072 /prefetch:8
          2⤵
            PID:1936
          • 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=service --mojo-platform-channel-handle=2164 --field-trial-handle=1824,i,5224645970362034929,17947361802404047800,131072 /prefetch:8
            2⤵
              PID:1832
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --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=2960 --field-trial-handle=1824,i,5224645970362034929,17947361802404047800,131072 /prefetch:1
              2⤵
                PID:1032
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2984 --field-trial-handle=1824,i,5224645970362034929,17947361802404047800,131072 /prefetch:1
                2⤵
                  PID:1012
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=3984 --field-trial-handle=1824,i,5224645970362034929,17947361802404047800,131072 /prefetch:1
                  2⤵
                    PID:5080
                  • 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=4456 --field-trial-handle=1824,i,5224645970362034929,17947361802404047800,131072 /prefetch:8
                    2⤵
                      PID:4092
                    • 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=4616 --field-trial-handle=1824,i,5224645970362034929,17947361802404047800,131072 /prefetch:8
                      2⤵
                        PID:4260
                      • 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=2392 --field-trial-handle=1824,i,5224645970362034929,17947361802404047800,131072 /prefetch:2
                        2⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:2004
                    • C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
                      "C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
                      1⤵
                        PID:2480

                      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_000014

                        Filesize

                        589KB

                        MD5

                        4d09e8a70f9a239afa347b43006a1570

                        SHA1

                        d6167ff88e34bedce16339c7bf57ae8cd025a524

                        SHA256

                        7c78e5d678961e9353636c253ff0c51104df90673db97088fbf3b83caadbd1c6

                        SHA512

                        50fb721d6b3456e931ad3aaee040f4166eb4880314ddd8cc7afa4429c2a9e8c9652de4606bf580794b0c519f5f3d00bd556cd9b9b5ca906e7e7f677ccd5fd2e3

                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000015

                        Filesize

                        861KB

                        MD5

                        e66bc8bd93c3c0cf70f4a3ee9b443789

                        SHA1

                        afd5c4522b1f7abeec78689c90e5bee52466f966

                        SHA256

                        1c00f8104af4e0a59f1771242adc23446f83e3ab93fff4478e25aca65ab3648e

                        SHA512

                        ea8db5f5cead98b7f23ba855b9acc0203252c37079ce80d9dbe2ea8cfb60feaae306780627fc823940ba2280687c9b880d3cd8df2bdba4279b6d2b2149dd6023

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

                        Filesize

                        216B

                        MD5

                        9c42127a8712c699a5e507ac75e0dc21

                        SHA1

                        f5debf4122d115605f957791e932511827b14019

                        SHA256

                        793abeab3fc7dbb1e3d284090dee759faf23818c2a6b89f208ac5912da2a52e7

                        SHA512

                        bc880e01ad26b80da9806033dbac822eb6b5c98385966038299ad27ae01c2df4771140fff12fc764e9dd2845878a2d834b0d2d4812435630deb49c0602d1c295

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

                        Filesize

                        2KB

                        MD5

                        4648b86043eed69b8e6b25f5d39f78d0

                        SHA1

                        ec9b633ef55953ad0be843a3ecc337bb1439fd51

                        SHA256

                        7c22ea0758e649d24db3b03e425b060b6591c3e53ea76adda11c80b9ab0d4a66

                        SHA512

                        1415c9688bd92433224775c735a29cc6cd89a39c9b72db0a68022c30e17b562312e33fa2d28fa559b7706ffbc6c96632fde1ba9abdd5aa8fad86bef5806e43db

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

                        Filesize

                        2KB

                        MD5

                        b2422a150222ac5d5761ac713023a342

                        SHA1

                        3c6ddf652cd6640f1d47cfe3dc12d022e2a04571

                        SHA256

                        6163873816a75974638d4679b2676dca5d154c8f4a8d06e23d27c950294ecb36

                        SHA512

                        b861cabab9b734cb0b8fb3762d6109dd74350ed5fbb5b92b3d1e5c5da31be081bed374bd0ed2a44a2b46258f901291cda6f8b70939df06d89b0aa14feb07fd54

                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

                        Filesize

                        2B

                        MD5

                        d751713988987e9331980363e24189ce

                        SHA1

                        97d170e1550eee4afc0af065b78cda302a97674c

                        SHA256

                        4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                        SHA512

                        b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

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

                        Filesize

                        1023B

                        MD5

                        4766df5d39d68049d875b4f1a9564bc8

                        SHA1

                        e4914c39254a65cb97142b9a38b2803834068610

                        SHA256

                        cad6dd9a16da31243a700dfb582ac5730db01bd8d3e041486f19955b90aff6f7

                        SHA512

                        d1c40715bd2ea8051ecb50b90f79e717ad1be15d3b23201e87f9d8d07afa55237711eb172c3eb93d165f0f42d54778303c6183e4aeb1645699d1b02f5a6fb9b7

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

                        Filesize

                        7KB

                        MD5

                        beab206710d7facab306d58940ffa259

                        SHA1

                        7d17636a9c7e55506cba5d114f8887c8d50ed91c

                        SHA256

                        b93d21b0dbd2a04ec21d9a05e465c9ee62fe67c55ffdd682b8c1526adf864ccd

                        SHA512

                        e854177eae059499ccd8c3fe779a42b1cf24ace0b6d6d4fdd17ef27741bb2d010996137a6eb2d92b4dc92eb8dd1d92cf4ca422654b6afeee832514e2cc81a3ce

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

                        Filesize

                        7KB

                        MD5

                        790b239c53ca2f92e5306487102115e0

                        SHA1

                        e57a8eefb120e0b74239385e1f4e15a7b9820561

                        SHA256

                        cc0a871b45ff5715bb088faf35b2fadf446056c4672dd7abad69eda4601c3e11

                        SHA512

                        3648c16c21a033f6931dc5d2bb4053e5b83c199f4a7f2acf7e5259d0525c9a388f417d06ace6c33780dafd345c4950f38fd39df2364f198ff902deb3a595d535

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

                        Filesize

                        7KB

                        MD5

                        67c289dc04a79779360459c09173a2f9

                        SHA1

                        f562f8f706b753ffc70538b8ef4fac2ea0dc8c89

                        SHA256

                        68c70b391e327526c7669f8996d1d81a5c55472d7d5a05f58f8ac449f30edde8

                        SHA512

                        60082ed95c0956fdbca39810cc480c6cfc38fc09b6a62e62790ac0092fbc062cc77095c46ed320946c07aaa90e5b2b2f574d699776aed481a6e8e0a49ca19348

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

                        Filesize

                        130KB

                        MD5

                        9dbf86d946f1c9a0a0264d31c2b374f3

                        SHA1

                        bece8f60b64e796c7a669d9dea616a6d1e1b6b0f

                        SHA256

                        91d358dcd34efbf8fc076183f11cdb0a41993a9427f2d11da2446aebb6e8e640

                        SHA512

                        79df5c65de82cbf98e51147e59434afd88dad1147f6535a743c59af675c3357fec39c2453b93bc4dc41e4349f764bb59057a6f3063756b41edfe4dbb0ee408d3