Resubmissions

05/08/2024, 20:15

240805-y1lm1a1brd 4

05/08/2024, 19:55

240805-ym94fawgpp 5

Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/08/2024, 19:55

General

  • Target

    http://extensions.chatgptextension.ai

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://extensions.chatgptextension.ai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:4436
    • 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:4 --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=123.0.6312.123 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7fffbc4fcc40,0x7fffbc4fcc4c,0x7fffbc4fcc58
      2⤵
        PID:4980
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1896,i,628146213053410107,6655446203018490000,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=1892 /prefetch:2
        2⤵
          PID:4688
        • 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 --no-appcompat-clear --field-trial-handle=2132,i,628146213053410107,6655446203018490000,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=2156 /prefetch:3
          2⤵
            PID:3160
          • 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 --no-appcompat-clear --field-trial-handle=2236,i,628146213053410107,6655446203018490000,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=2256 /prefetch:8
            2⤵
              PID:3052
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3060,i,628146213053410107,6655446203018490000,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3052 /prefetch:1
              2⤵
                PID:920
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3048,i,628146213053410107,6655446203018490000,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3092 /prefetch:1
                2⤵
                  PID:1172
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4452,i,628146213053410107,6655446203018490000,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4404 /prefetch:1
                  2⤵
                    PID:4040
                  • 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 --no-appcompat-clear --field-trial-handle=3376,i,628146213053410107,6655446203018490000,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=3340 /prefetch:8
                    2⤵
                      PID:212
                    • 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 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=4740,i,628146213053410107,6655446203018490000,262144 --variations-seed-version=20240801-180145.014000 --mojo-platform-channel-handle=4736 /prefetch:8
                      2⤵
                      • Drops file in System32 directory
                      • Suspicious behavior: EnumeratesProcesses
                      PID:1028
                  • C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
                    "C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
                    1⤵
                      PID:3200
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                      1⤵
                        PID:1852

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

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                      Downloads

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

                        Filesize

                        1KB

                        MD5

                        190b97888eb67c9c0e76ca570e292feb

                        SHA1

                        8eafdde63e1b2b031c764bce24e4297bea0cf55c

                        SHA256

                        a961cfbe73be4b5e0bef1d50589822d6041d10c7bb0f37e245a8d64000dc5168

                        SHA512

                        54d9e775c4ae05c01b1c9d8fdedb0164d6a8663bcce82202c3c9b4da59f7f9019ed50f359a605d219434f483cc1bb446c2b3d47048e76ce4b6b726e1d9154699

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

                        Filesize

                        1KB

                        MD5

                        a54ab1fe91635becf247daf5fc649f3e

                        SHA1

                        8b08d10539dee51ff0a936b5850282691fc4bfbc

                        SHA256

                        8614d68a6c5255d61837aeced741926a8ad91f7f724ef3b8e8ba667cdc7dad9e

                        SHA512

                        9cf853a9ce31e12ca27a1dd34d3d265f4de50ab42fdde74858bcb35d615768da0e7e432fa2a9f45087eea791e125e32b5dd81ddf1b23276b2f198ec82e0afcbe

                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\afd3de4c-f83c-4a78-82cd-f1099a93e45c.tmp

                        Filesize

                        2B

                        MD5

                        d751713988987e9331980363e24189ce

                        SHA1

                        97d170e1550eee4afc0af065b78cda302a97674c

                        SHA256

                        4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                        SHA512

                        b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

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

                        Filesize

                        8KB

                        MD5

                        28be5bfce58f0fd8c0e4593c75e89856

                        SHA1

                        5b3e0bcf3f60c1c86affea249ed92022fbc6d297

                        SHA256

                        884ccacc3b9cdf25c29434bdad79c18b94c35ce1deb8005ff4329fa11ea44265

                        SHA512

                        89ab73852f1f3789cf63e9bcace0066b7cdddbaec88d18202fee4a4449030be6287f5ee6ea90457c474e941bd1fd327cd36195064af54c24da34cab0319263d0

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

                        Filesize

                        9KB

                        MD5

                        9bccecbea6babc8ed128c9881bb7d58e

                        SHA1

                        6f99d790f1a0723fc37b1c6d2b7b81db2cd2df96

                        SHA256

                        c5b6a7df95a542079f00b46a58930c4ef8a78d059f063265c623f1004c41c66b

                        SHA512

                        fd0aa37bcfb29ca55a7b70254ec40b59f2b23c43001bad6117534e96d4cc04a3f5af3c18392a4dfc7294479fe228d76c8641767d586dfca5beda9259044c5b37

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

                        Filesize

                        8KB

                        MD5

                        8de04c83ec649b7945f3df4e0d391d5f

                        SHA1

                        eb0effe5b26a29b424220e95fde3f4584e821811

                        SHA256

                        8450a25ffb0f197a23952ad2b72c08beb93cece60d6ddb944aa5fd4bdb68e6eb

                        SHA512

                        4db5acbfc10f1fbc918e63ebcf06fa858d674bc73217bb912708dbd18fc48681fb44655d7b9a02db3af284d184b4c067306735ee1837e9149b3f658c092a5af5

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

                        Filesize

                        9KB

                        MD5

                        88fc66cd905b7631606cf07337ef35ed

                        SHA1

                        30e52f3c6af133c551290b316c41e70e9344d13a

                        SHA256

                        69ff9e20f077d34d9dd3e48b1924469cc0328a7788d29cb2af0259ec038a5167

                        SHA512

                        e4666f3a229292f30485378b4b8cf7a60f678748f9c5b4f190bd1c07f6bdfec261269a38c930b55f6cea3643c0d722238a0b6c6dd37c5b5a8ded547de6e41177

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

                        Filesize

                        9KB

                        MD5

                        7a0f3911df32e633239ff00563ed0bc3

                        SHA1

                        042738d4e64b0a371f764e75163bd05d6a03314f

                        SHA256

                        97e54cad0b2ec981710c1c6969c55553540ea2d1949e68e55eef27373b2df2d3

                        SHA512

                        b4373861cfb478078a76e9b94393ede0c71462b4e2a7fcbf93e832c153c6a64600d261fa0264024a6e2b4e9f825081cf0a595c55dec3bd3da63d4487f3582687

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

                        Filesize

                        99KB

                        MD5

                        48183f75feaddae8d9b49f1500faac0d

                        SHA1

                        c794481f79bfd170db2b631316ca276c55c6ef2f

                        SHA256

                        4fa958742c74a11547bdd8fd4ab4922bc0a929bad75df13523a26d73b2f7a677

                        SHA512

                        a979d6ca27b9243b077a21deb6047a7c857daaa7e8eef12aeaac8bb080737cfabf11d2d6b0fa2e765716a72d8306589fe7af6bb5c981ad350a335884388b7e98

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

                        Filesize

                        99KB

                        MD5

                        cb3314b6da70d9c6f9b8fa68b1a7f47d

                        SHA1

                        84adf2370bc8ba8398b88affd590fa63f36f52ab

                        SHA256

                        d3d77fe9f66fc1610e823b0b174bb8b36fa5db0c13310a9efbf7df5619f6ff2a

                        SHA512

                        4affefe7304a979452196380a5d64eccb32daf6feb986eb519be6cfb59398f095028ae3a8a2b2a649abdfec7096ea9f7f3909391059a5767436e3f97faaa1dc4