Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-03-2023 08:43

General

  • Target

    https://outlook.office365.com/owa/[email protected]/groupsubscription.ashx?realm=GuNet.onmicrosoft.com&source=WelcomeEmail&action=conversations&subaction=gotogroup

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 6 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    "C:\Program Files\Google\Chrome\Application\chrome.exe" "--simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT'" https://outlook.office365.com/owa/[email protected]/groupsubscription.ashx?realm=GuNet.onmicrosoft.com&source=WelcomeEmail&action=conversations&subaction=gotogroup
    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:3456
    • 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,0x100,0x104,0xd8,0x108,0x7ffed0419758,0x7ffed0419768,0x7ffed0419778
      2⤵
        PID:3588
      • 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=1760 --field-trial-handle=1800,i,10380801237817650220,4164496155894497923,131072 /prefetch:2
        2⤵
          PID:224
        • 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=2120 --field-trial-handle=1800,i,10380801237817650220,4164496155894497923,131072 /prefetch:8
          2⤵
            PID:1084
          • 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=2216 --field-trial-handle=1800,i,10380801237817650220,4164496155894497923,131072 /prefetch:8
            2⤵
              PID:1828
            • 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=3156 --field-trial-handle=1800,i,10380801237817650220,4164496155894497923,131072 /prefetch:1
              2⤵
                PID:4864
              • 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=3172 --field-trial-handle=1800,i,10380801237817650220,4164496155894497923,131072 /prefetch:1
                2⤵
                  PID:3824
                • 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=4472 --field-trial-handle=1800,i,10380801237817650220,4164496155894497923,131072 /prefetch:1
                  2⤵
                    PID:4252
                  • 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=8 --mojo-platform-channel-handle=3212 --field-trial-handle=1800,i,10380801237817650220,4164496155894497923,131072 /prefetch:1
                    2⤵
                      PID:1180
                    • 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=5268 --field-trial-handle=1800,i,10380801237817650220,4164496155894497923,131072 /prefetch:8
                      2⤵
                        PID:2152
                      • 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=4880 --field-trial-handle=1800,i,10380801237817650220,4164496155894497923,131072 /prefetch:8
                        2⤵
                          PID:3860
                        • 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=4712 --field-trial-handle=1800,i,10380801237817650220,4164496155894497923,131072 /prefetch:8
                          2⤵
                            PID:1476
                          • 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=4708 --field-trial-handle=1800,i,10380801237817650220,4164496155894497923,131072 /prefetch:8
                            2⤵
                              PID:4660
                            • 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=4920 --field-trial-handle=1800,i,10380801237817650220,4164496155894497923,131072 /prefetch:8
                              2⤵
                                PID:1228
                              • 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=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=5176 --field-trial-handle=1800,i,10380801237817650220,4164496155894497923,131072 /prefetch:2
                                2⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:3340
                            • 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:2384

                              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

                                120B

                                MD5

                                38ab3fa9b8c74478ee9a843794d360a1

                                SHA1

                                b1b1522131b130bdd64346275fc2f45aa0d16696

                                SHA256

                                78cd133b5c4f853b36dd376d2afbe2da9ea753a31c8348aeda2af3e318a20efa

                                SHA512

                                1fac6c84a0ce90f2fd665232864e2dd21df0811e9688bd8517b88ed0981cf21080206e40fa5bd4642e7f996ddd94ee83967eb11af1a8bc09c55476a09ad7a551

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

                                2KB

                                MD5

                                f904f0b653fc3c5318568a2e448247ea

                                SHA1

                                b197fb2b4d0c352090429d524a0e403e7e66de74

                                SHA256

                                ffe450363249484197bdefdd34b8a3153173bb82803891899b92823ee6f1d122

                                SHA512

                                324148595664c0fa7be6f4ff5f29f8f597a929d9c2f08413555287ad8eb33477606458089c54acb8cbaeb5e2817a8bc1fbb7a0c39cff6674fea5abf19d1badda

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

                                1KB

                                MD5

                                e9c48147ad4e4b8f6f3af6c058048846

                                SHA1

                                ea658195ebf5037c4f365befc34d850cdd65cf91

                                SHA256

                                3a090d0c4047176dc1a1059b52f6dac7813ab293ce27471a6993bb9eee553806

                                SHA512

                                b5df9dc4085588ba874ed0d4bb1434b18bcf571f84a793fd0471f124e24fec5af3da683274dfa5c85141169655818e06c8ce54de97af4d45005196edaa56ec1e

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

                                6KB

                                MD5

                                84267d595eb864b085b6e54ea0e96366

                                SHA1

                                d46e9156bdecee9b117b41d0d14d2a5d74023b00

                                SHA256

                                031e068b60f88bdf5798946e142f7437a813d87eee67f6455f3948d4f4f5797a

                                SHA512

                                577ff975d50da97f718396cbbfa7508ce7af62954f1934217e8f3cc41f2824ec9da691d9240c77abd0a4a9383e6e4c65a683f04ae1ae268073e9d90863963cab

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

                                15KB

                                MD5

                                63edc3969f667f6452ae0a57914d6b26

                                SHA1

                                8e0b78e48e1c91fdfbdb08270dd7e883bd181276

                                SHA256

                                f679f9c7192b0c5bda390c27daa33a702ce3340cc399ab0c7826ece0b518cda2

                                SHA512

                                1092b72c677f69114eb9f1beb8e35e165524e16256ead3668de7af93959cf347947b49f369be9821414bf5724a3833dcff471ebf501329483bdbf28eecb7ff7b

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

                                146KB

                                MD5

                                268e23090cd3ea5b6295ed0d3e19f652

                                SHA1

                                e0c1266e61b81dfe0a9b7713e04d8a2db5d21349

                                SHA256

                                d1b4ea052d05a79ea9ab94f06197fd019d21684ded6e494d8c7d1da150a9acd9

                                SHA512

                                7c7173919d42f9b88b47a542e33bd30f8df12534bae4fbfe6f2b955bdcb8c9458c8ede6e85750201289f109006095f8f75ef58d6f6a35ad76452eb02bb6d1fa4

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

                                145KB

                                MD5

                                b2e1fa69d0fcd0d0e2691a7a3fb98672

                                SHA1

                                3b607b066bb1e49245dd5b3203c7c46309e073ab

                                SHA256

                                ad565558e3f9f188904a75e55050e3c4e6afccc01dbe6b5adeefd7d1dfa8de88

                                SHA512

                                fa3d3e117a5057f784a9487fb51c944f787b2d846d57ae90c12a9ae0bff621ea543dba35b989ce65cdeaef31e6afcccd053e14193c9e6cd7d95a60b80eb8a8db

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

                                72KB

                                MD5

                                0b855fb6623a1e74c33ce047bd6f39f0

                                SHA1

                                dc7a1fd93cf222e71e862c72e333074ee4a53eca

                                SHA256

                                31ec2a4f3e9a24284b1c63d46f4d7345f2169d7fb57e5352386f34902a1b8bd7

                                SHA512

                                328235fce09bb6fbeedf918159e3e77266797f2edc886fcab8e79ac0ce01ccc1a7150a16309ea841c7fffb3fa4acaa1170a294f573820334e1cfa325ee3374f9

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

                                145KB

                                MD5

                                61b309985a19824616061f2c3859aade

                                SHA1

                                376c26be5fb90577927aea401a16bcd11549b1b0

                                SHA256

                                7c01ebdf1cd5e041054558a943edca7fd0ca57fea6ca90841c3d92057afe8ead

                                SHA512

                                ecc2219eb96d24cafdae211905b9e386e178858f06313b8fff11a9abc31dd1be0d15454325db54ed9519b75031d9ece27ed13c3d1a7c5e4166ada6df54d31528

                              • 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_3456_CDESLTRMNLKISXVV
                                MD5

                                d41d8cd98f00b204e9800998ecf8427e

                                SHA1

                                da39a3ee5e6b4b0d3255bfef95601890afd80709

                                SHA256

                                e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                SHA512

                                cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e