Analysis

  • max time kernel
    107s
  • max time network
    117s
  • platform
    windows11_x64
  • resource
    win11
  • submitted
    01-10-2021 09:03

General

  • Target

    https://chki4cd958e18b1516395ec0ffe8.web.app/#[email protected]

  • Sample

    211001-k1g3xsbdck

Score
6/10

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 29 IoCs
  • Modifies data under HKEY_USERS 43 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" https://chki4cd958e18b1516395ec0ffe8.web.app/#[email protected]
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:5052
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" -- "https://chki4cd958e18b1516395ec0ffe8.web.app/#[email protected]"
      2⤵
      • Adds Run key to start application
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3844
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.107 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.62 --initial-client-data=0x104,0x108,0x10c,0xe0,0x110,0x7ffcb3c046f8,0x7ffcb3c04708,0x7ffcb3c04718
        3⤵
          PID:4672
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1884,744444998039999536,2435953508122737035,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2116 /prefetch:2
          3⤵
            PID:2028
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1884,744444998039999536,2435953508122737035,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2236 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:2128
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1884,744444998039999536,2435953508122737035,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2672 /prefetch:8
            3⤵
              PID:3364
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1884,744444998039999536,2435953508122737035,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3308 /prefetch:1
              3⤵
                PID:4872
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1884,744444998039999536,2435953508122737035,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3312 /prefetch:1
                3⤵
                  PID:4664
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1884,744444998039999536,2435953508122737035,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3008 /prefetch:1
                  3⤵
                    PID:5228
                  • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.62\identity_helper.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.62\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1884,744444998039999536,2435953508122737035,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4052 /prefetch:8
                    3⤵
                      PID:5428
                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.62\identity_helper.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.62\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1884,744444998039999536,2435953508122737035,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4052 /prefetch:8
                      3⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:5472
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1884,744444998039999536,2435953508122737035,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3960 /prefetch:1
                      3⤵
                        PID:5580
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1884,744444998039999536,2435953508122737035,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5164 /prefetch:1
                        3⤵
                          PID:5596
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1884,744444998039999536,2435953508122737035,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4060 /prefetch:1
                          3⤵
                            PID:5784
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1884,744444998039999536,2435953508122737035,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3096 /prefetch:8
                            3⤵
                              PID:5432
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1884,744444998039999536,2435953508122737035,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4160 /prefetch:8
                              3⤵
                                PID:1636
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:4680
                            • C:\Windows\System32\sihclient.exe
                              C:\Windows\System32\sihclient.exe /cv bIwyp2o330q1fggh9KFnew.0.2
                              1⤵
                              • Modifies data under HKEY_USERS
                              PID:5372
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k netsvcs -p -s Appinfo
                              1⤵
                              • Suspicious use of AdjustPrivilegeToken
                              PID:5436
                            • C:\Windows\System32\svchost.exe
                              C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
                              1⤵
                              • Modifies data under HKEY_USERS
                              PID:6000
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
                              1⤵
                                PID:6040
                              • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
                                "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
                                1⤵
                                • Modifies registry class
                                • Suspicious use of SetWindowsHookEx
                                PID:5168
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                • Enumerates connected drives
                                • Modifies registry class
                                PID:476

                              Network

                              MITRE ATT&CK Matrix ATT&CK v6

                              Persistence

                              Registry Run Keys / Startup Folder

                              1
                              T1060

                              Defense Evasion

                              Modify Registry

                              2
                              T1112

                              Discovery

                              Query Registry

                              2
                              T1012

                              Peripheral Device Discovery

                              1
                              T1120

                              System Information Discovery

                              2
                              T1082

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              • C:\Users\Admin\AppData\Local\Temp\edge_BITS_3844_112101334\1d147c3b-6a51-425f-a960-c0159921df27
                                MD5

                                22351f8e29208582a8c4a3be256433d7

                                SHA1

                                f05a56b94cfaf46b1c74f815cc9b9d80784ffb7e

                                SHA256

                                9ab1dc1c2c03aa5b274e583dc42891bc07dcceea577ac348940e112b48fa6006

                                SHA512

                                e13bf84d66b5f067508f5a8fb92cbea9bde8ffa3cca9a72ef1baf30d4675807de90fb2b461ea8f5ede9e13003c9fa5f3f56213aa09e4d8a2294f1f08c110a731

                              • C:\Users\Admin\AppData\Local\Temp\edge_BITS_3844_1728581940\772a2de4-43b5-432c-8893-13397d7a4e27
                                MD5

                                113ec6a5ec9ab2b24c13081819457b3c

                                SHA1

                                1ae745bc39950d3745a7d80ac89d4f7561bb67d3

                                SHA256

                                a672f2d8585ad6f2dadb3b00c6a2dcf8937449609b95aca0411344ad2617c5d1

                                SHA512

                                166dd876a4db383d794618f87ecbb7d211ad289c0c3bf515d4f4638fb795f25d345322c60a5d93aba5030ba05033fa01ade8581287207af9546460fc0d7f3afa

                              • \??\pipe\LOCAL\crashpad_3844_TZFTGHOEKORTVGZT
                                MD5

                                d41d8cd98f00b204e9800998ecf8427e

                                SHA1

                                da39a3ee5e6b4b0d3255bfef95601890afd80709

                                SHA256

                                e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                SHA512

                                cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                              • memory/1636-229-0x0000000000000000-mapping.dmp
                              • memory/2028-154-0x0000000000000000-mapping.dmp
                              • memory/2028-157-0x00007FFCD4D40000-0x00007FFCD4D41000-memory.dmp
                                Filesize

                                4KB

                              • memory/2128-155-0x0000000000000000-mapping.dmp
                              • memory/3364-166-0x0000000000000000-mapping.dmp
                              • memory/3844-147-0x0000000000000000-mapping.dmp
                              • memory/4664-174-0x0000000000000000-mapping.dmp
                              • memory/4672-150-0x0000000000000000-mapping.dmp
                              • memory/4872-171-0x0000000000000000-mapping.dmp
                              • memory/5052-146-0x00007FFCC2010000-0x00007FFCC2075000-memory.dmp
                                Filesize

                                404KB

                              • memory/5228-184-0x0000000000000000-mapping.dmp
                              • memory/5432-223-0x0000000000000000-mapping.dmp
                              • memory/5472-191-0x0000000000000000-mapping.dmp
                              • memory/5580-195-0x0000000000000000-mapping.dmp
                              • memory/5596-198-0x0000000000000000-mapping.dmp
                              • memory/5784-209-0x0000000000000000-mapping.dmp
                              • memory/6000-215-0x0000026349360000-0x0000026349370000-memory.dmp
                                Filesize

                                64KB

                              • memory/6000-216-0x00000263493E0000-0x00000263493F0000-memory.dmp
                                Filesize

                                64KB

                              • memory/6000-217-0x0000026349790000-0x0000026349794000-memory.dmp
                                Filesize

                                16KB