Analysis

  • max time kernel
    77s
  • max time network
    79s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/03/2023, 22:09

General

  • Target

    https://www.dropbox.com/scl/fi/05pxz1cvgbxuisd4uns9o/Untitled.paper?dl=0&rlkey=2c6z9ssbzovndynh96rl6sie1

Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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    "C:\Program Files\Google\Chrome\Application\chrome.exe" "--simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT'" https://www.dropbox.com/scl/fi/05pxz1cvgbxuisd4uns9o/Untitled.paper?dl=0&rlkey=2c6z9ssbzovndynh96rl6sie1
    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:984
    • 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,0x100,0x104,0xd8,0x108,0x7ffd9ab99758,0x7ffd9ab99768,0x7ffd9ab99778
      2⤵
        PID:4820
      • 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=1776 --field-trial-handle=1792,i,17975647774540480713,11564629069229988231,131072 /prefetch:2
        2⤵
          PID:4836
        • 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=2176 --field-trial-handle=1792,i,17975647774540480713,11564629069229988231,131072 /prefetch:8
          2⤵
            PID:1556
          • 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=2244 --field-trial-handle=1792,i,17975647774540480713,11564629069229988231,131072 /prefetch:8
            2⤵
              PID:5088
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3184 --field-trial-handle=1792,i,17975647774540480713,11564629069229988231,131072 /prefetch:1
              2⤵
                PID:3348
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3204 --field-trial-handle=1792,i,17975647774540480713,11564629069229988231,131072 /prefetch:1
                2⤵
                  PID:1964
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4592 --field-trial-handle=1792,i,17975647774540480713,11564629069229988231,131072 /prefetch:1
                  2⤵
                    PID:1040
                  • 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=5492 --field-trial-handle=1792,i,17975647774540480713,11564629069229988231,131072 /prefetch:8
                    2⤵
                      PID:1544
                    • 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=5100 --field-trial-handle=1792,i,17975647774540480713,11564629069229988231,131072 /prefetch:8
                      2⤵
                        PID:1852
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=5512 --field-trial-handle=1792,i,17975647774540480713,11564629069229988231,131072 /prefetch:1
                        2⤵
                          PID:1400
                        • 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=2888 --field-trial-handle=1792,i,17975647774540480713,11564629069229988231,131072 /prefetch:8
                          2⤵
                            PID:4164
                        • 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:4904

                          Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

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                          Downloads

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

                            Filesize

                            2KB

                            MD5

                            86e97e7d074b1f7a283f71f9c5ded4c0

                            SHA1

                            533c83fcec88f4ed0443746e2a82f58f8cc7ee51

                            SHA256

                            7f188be72aecc1425580563bed69645f5ca1287caa3c0d1976ef83f9119e72bd

                            SHA512

                            c384b6c2aba6edafaca6a2f1ec84991955e0e3f3081e08204b5d3d562cf4e2349bb8c3e4e26cf6b41e849c14916c82e1ec77fb4c6762a38313e135c7247ce0a2

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\CURRENT

                            Filesize

                            16B

                            MD5

                            46295cac801e5d4857d09837238a6394

                            SHA1

                            44e0fa1b517dbf802b18faf0785eeea6ac51594b

                            SHA256

                            0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                            SHA512

                            8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

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

                            Filesize

                            1KB

                            MD5

                            3864e4b33eb4267b07779f070012384b

                            SHA1

                            8156d77f5b390a168fe5f6310e594dcbd00ff7fb

                            SHA256

                            9d14db9723204e14acfc7b4f9ea37186195267d275c40e9854d97566eb84a4e1

                            SHA512

                            325cdef4fa027ae767fb3de0ef341800ee90bc25525776473fb42af1c14ea98cbf5b4aee83fa5c6bd98af3e1114e0e0f01c93b977b7daac9fc0965857e397b95

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

                            Filesize

                            872B

                            MD5

                            90022ca82723ef95a7cad85012c94949

                            SHA1

                            0373d3b22fbb68452c3f7377a29936ad65c056e7

                            SHA256

                            146702ffe42349b01a51025c184dde8f76dbb1e1388d827bc33b5d57f3064c07

                            SHA512

                            877aaa86803699cf2e4aa2b16b00b13afe3b538ee97c5451475077ef0fb48f0a4fc6a192fd1c27ae3604cb9fbf7e96a36ad3a787a36105e3c1b558aa4c32c093

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

                            Filesize

                            872B

                            MD5

                            1c219dd50d6f6737ec637c5af3e96c84

                            SHA1

                            4a1161ccfcf75d573fc132feab10902352f5336a

                            SHA256

                            f82e46c0197e4140dea3a04a92c9cda981266e2e898a3097095d0c5331c98764

                            SHA512

                            c7a6556d1313c2d24df77074ba732227d7114811bc0f3d19f4bde658650ef12cdeb4830127b0c51a2b9948adcdb94450a3aa4cf31251e8862bd109dc330d0125

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

                            Filesize

                            1KB

                            MD5

                            0e4186951447ddd2a2a6ae2f8dbaf2fb

                            SHA1

                            8c69c7747001c82d2d4eda61f160cf41833b4d0e

                            SHA256

                            ab012864ee71c7395f9c6df120ffc04cc9936d2df17a3bc6288d2b15c580953f

                            SHA512

                            280f92840dafbf6c528bfccd04fe578d9e2d3801be21a5a876a33acffde0e2015b54e0e2b48bbe1dd0a71e496ba0c362255c9422ef621d8dfcfe3e29f7a39279

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

                            Filesize

                            1KB

                            MD5

                            f0661dcf8f8de566d21abb131cea0487

                            SHA1

                            662757e9c172882a4ccb453ab76abaf742edd7b1

                            SHA256

                            80a5fac5973bc785f30f0bde33fef38449a12b3fd3ce31261d749e77ed56f832

                            SHA512

                            6dc81036d45896097886c1c75fa82c5c4372b83b82549f7a669cd044850b36c8428844286c704e7a71ba2c7602dc56b212f55883d0f6a1c12435d71ab18c9beb

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

                            Filesize

                            4KB

                            MD5

                            8a5030cf92c535f2d22d2a5f29761af9

                            SHA1

                            c15e393a4db6095518d8302cf09f76dd1e00148b

                            SHA256

                            827a2be776b345d79d9e0e2c4985713a509a8c4c94b2ef3d21069b1266eb84e2

                            SHA512

                            b4eb723effbdd6554f5f92fadb96a54f8d161cd23f8397756adde80a4ede895b4264095b024626a15f279782cb2be89b9ecf6af175925cf2fad065b73aae4ff8

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

                            Filesize

                            4KB

                            MD5

                            6d5efd0798a82ce640c50515746abdf1

                            SHA1

                            c5bf01b8b92424de1eb34d69179a3f3c54386393

                            SHA256

                            a02aadf3119ee1a959d622ac5e34763a305eb0957178334f0686d4a42298d853

                            SHA512

                            40ff83b19468a3d603883ab7b436a850dd02d7d48f7cf34cfb23cbffbb7597ff43da2753958856ee394d7fe1ad1737a18c973537784c3974662a5b98afce6e6e

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

                            Filesize

                            5KB

                            MD5

                            e144784ac5cee42e6b37930977b9aad9

                            SHA1

                            39d1e3c63b750ea8eb44aa97195a7d2a23e1735b

                            SHA256

                            682feaa65f8c1d3dd7d2febbfcfef6330a5859301d16a55b21b580dc37e7c220

                            SHA512

                            a7601a342dc4cf61cdbba93e0b38f518dcd2dce927e5ebfb33acac43b1e45be26514f0af383821953f6df59cb6c70007ff0f7e34d9ed35ddfe8f153fd76a1bbf

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

                            Filesize

                            145KB

                            MD5

                            145b4dadc70e57ead358923091631c86

                            SHA1

                            902fe1583de059007897569540866fabea6a4dfc

                            SHA256

                            37726fe3233900a1940fb19d9ff931e01f9a821fe740c619a999dbca14b402d1

                            SHA512

                            c8410b9fe30702e1033794a752e72ab13340284dfe484f77fdadc33ddc323d5f325e3da10249c03aa2ef2dccf6e24c581b1a6e8816d877f65050c050840b3423

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

                            Filesize

                            145KB

                            MD5

                            015495c55b7d8ef69047048effd3326c

                            SHA1

                            006a58b6b5733c9b9e976b4d14156243f628e0e9

                            SHA256

                            74a063517ee2ea395a8193c2bdec5403cbb143bc2df776282b47f1abe8ace1b4

                            SHA512

                            37cbfe5d7579d5c7a0341677418f8b479ea932ccb4598b9000ad21f157f2f768e37e2b6bf8214a974d13c23840b882d386ed5a6c195dc7f766da1bd1906b8fb8

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

                            Filesize

                            101KB

                            MD5

                            138fbade3e78ad336a2a2b8dc391418c

                            SHA1

                            70b0a5ad829a948e19a05684885fe843a1a37959

                            SHA256

                            58899b36c3a10e8ca9a211f9dfaa5a3a7473c334c97acbe97bcc9df19c7acb11

                            SHA512

                            f874416e67f5ae25d67dee16626b005ee403d889beb2409bc36f2a8d1ab0f57dd9db34fde15f3a87d02b2b87d65b9c471befefe54e8b4676ba2006618e81ca6c

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache~RFe577a31.TMP

                            Filesize

                            100KB

                            MD5

                            79267bbcc41a6463055397fed891ca04

                            SHA1

                            7f761623d93bf04a0d82358d664959eaf6537aef

                            SHA256

                            4e7ea9e0871eea4190268a0a8827ef61e3197caf910dcb98374a2ed81d74fdb8

                            SHA512

                            b7de1deab34f3fb4aaca2450c3c32c478dfe607b760521efee645691892d5373df41d7b00d428d87c383a19c1a9866e4524e724fe47526b981e89d1a532d4fc4

                          • C:\Users\Admin\AppData\Roaming\Microsoft\Spelling\en-US\default.dic

                            Filesize

                            2B

                            MD5

                            f3b25701fe362ec84616a93a45ce9998

                            SHA1

                            d62636d8caec13f04e28442a0a6fa1afeb024bbb

                            SHA256

                            b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

                            SHA512

                            98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84