Analysis

  • max time kernel
    60s
  • max time network
    63s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-03-2023 04:27

General

  • Target

    https://forms.office.com/Pages/ResponsePage.aspx?id=2eYxeGzc0Uyexh3CtBMxlW2j8qLfVydHnvI57sJlyCxUOFdYUDlYT0w4R1dFWkhWWldPRko4VVQ3Wi4u

Score
5/10

Malware Config

Signatures

  • Detected potential entity reuse from brand microsoft.
  • Program crash 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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    "C:\Program Files\Google\Chrome\Application\chrome.exe" "--simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT'" https://forms.office.com/Pages/ResponsePage.aspx?id=2eYxeGzc0Uyexh3CtBMxlW2j8qLfVydHnvI57sJlyCxUOFdYUDlYT0w4R1dFWkhWWldPRko4VVQ3Wi4u
    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=106.0.5249.119 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ff8fae59758,0x7ff8fae59768,0x7ff8fae59778
      2⤵
        PID:1764
      • 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=1784 --field-trial-handle=1812,i,3349944347421219104,2662872155152930047,131072 /prefetch:2
        2⤵
          PID:3356
        • 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=2168 --field-trial-handle=1812,i,3349944347421219104,2662872155152930047,131072 /prefetch:8
          2⤵
            PID:2680
          • 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=2236 --field-trial-handle=1812,i,3349944347421219104,2662872155152930047,131072 /prefetch:8
            2⤵
              PID:2944
            • 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=3232 --field-trial-handle=1812,i,3349944347421219104,2662872155152930047,131072 /prefetch:1
              2⤵
                PID:4456
              • 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=3244 --field-trial-handle=1812,i,3349944347421219104,2662872155152930047,131072 /prefetch:1
                2⤵
                  PID:4868
                • 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=4000 --field-trial-handle=1812,i,3349944347421219104,2662872155152930047,131072 /prefetch:1
                  2⤵
                    PID:4304
                  • 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=5128 --field-trial-handle=1812,i,3349944347421219104,2662872155152930047,131072 /prefetch:8
                    2⤵
                      PID:4908
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5196 --field-trial-handle=1812,i,3349944347421219104,2662872155152930047,131072 /prefetch:8
                      2⤵
                        PID:1720
                      • 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=3504 --field-trial-handle=1812,i,3349944347421219104,2662872155152930047,131072 /prefetch:8
                        2⤵
                          PID:2716
                      • 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:4744
                        • C:\Windows\system32\WerFault.exe
                          C:\Windows\system32\WerFault.exe -pss -s 472 -p 3404 -ip 3404
                          1⤵
                            PID:1644
                          • C:\Windows\system32\WerFault.exe
                            C:\Windows\system32\WerFault.exe -u -p 3404 -s 1748
                            1⤵
                            • Program crash
                            PID:1376

                          Network

                          MITRE ATT&CK Matrix ATT&CK v6

                          Discovery

                          Query Registry

                          1
                          T1012

                          System Information Discovery

                          1
                          T1082

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

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

                            216B

                            MD5

                            1bfcbe1cad142521de7d2dfd10c1ed45

                            SHA1

                            069abecd1b53882cd45d40077cea74001a0a280f

                            SHA256

                            44b26c61b20eb358c76300637dd947e9f6404cacee66ad17881fe8a94db3a192

                            SHA512

                            d9dd4c27b0558648fc12194189e0c91d0ce283be9b3045257d2d4e18bb301d1091219b08cb21b83cc422fed612485a1c28db109659f542451c3ee37e8917ea06

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

                            1KB

                            MD5

                            90b8df7ecf25e2fc0999478981282e7f

                            SHA1

                            61564604817070d85cf7e8259dc975f9669f2f03

                            SHA256

                            855cbd2d51d5ba2f2fd67296d5345987690d8d0727e51aeae20fa5ef0f8bd70d

                            SHA512

                            54762285a6c5ed223935161f56fbc01f13a3c9f565780982813ebb6a9d204263b53af135d376c015b3b640763559f7a6d553b1a55cd70560c4e9a073a23f1354

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

                            6KB

                            MD5

                            98f8a68ff4ed28e1fc4c54d0f52fcf18

                            SHA1

                            2459f13f1d5f0fc02cafd6d94532b3c6f5823a50

                            SHA256

                            8d0b7faf9fd6d4e098a526fd50e59c2e7be9b7e8b4ca50a63ebb5368414a51a7

                            SHA512

                            8940b8c1648224666a65c83902d751a90f6b2ebf1e8b1233442d5c22b88327159d402951b88cf23303422490e1e23448c25ddb45cdd31d50602b1df43a47c62f

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

                            15KB

                            MD5

                            b14a12a015c8f36f5f192c129636136d

                            SHA1

                            2bde3886daed5b6912250ee1c1dcac3de793c43b

                            SHA256

                            ab7f55a6e55318a3e9dce045a73d51fe67009fbec40396665660c46cba7a49a8

                            SHA512

                            04af9d59fe4affde5837720eddc56eed8fd70f64c3e148961be9a2f498739f5f256769b6c51e6a8f3761d09411584c5101f14fae05d2015a332e0f7a585bcac4

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

                            15KB

                            MD5

                            ba9db78e7eab493b02ab6480616ee876

                            SHA1

                            434080a0eccbe971ce20b4f9400c454ab8bc944a

                            SHA256

                            d42b4084ff9db554298a99a3ab2a384a640b6ac180d9778d9c330c64ce085697

                            SHA512

                            3fa3e4992bfad601a9817defb22ee83504ccdb51f692de7c0aff0d0e67ddab08807c3c4d1ed5418fe5fd3ad99d370605bc40ba42745195266cba4c92914aee23

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

                            144KB

                            MD5

                            2950879112ad052a3686482cbe1fafe5

                            SHA1

                            9261c966a72fabeed129aa4e1e189b772ea11c46

                            SHA256

                            5ceb0c3cfbbb0b526e236c2d83c6010d5957148faa9c0c844322f32a394ca393

                            SHA512

                            5882f3dffa1138f0049f1a324f43600637c3c6ce063b8ed62ed3cd6cf9b0e1d77a1f3efc94f14ccd60691c1cf908347acaaa8de2c663aac24cccf46621667a29

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

                            2B

                            MD5

                            99914b932bd37a50b983c5e7c90ae93b

                            SHA1

                            bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                            SHA256

                            44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                            SHA512

                            27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

                          • \??\pipe\crashpad_4284_JSWOLDFAHFMNNSBK
                            MD5

                            d41d8cd98f00b204e9800998ecf8427e

                            SHA1

                            da39a3ee5e6b4b0d3255bfef95601890afd80709

                            SHA256

                            e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                            SHA512

                            cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e