Resubmissions

13-07-2023 14:21

230713-rn9qqshh8z 1

13-07-2023 14:20

230713-rng1qahh8s 5

Analysis

  • max time kernel
    33s
  • max time network
    37s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-07-2023 14:20

General

  • Target

    https://storage.googleapis.com/9e3edabc513515d03671/38af2b66a642c4033f51#UERvT1dCSGVDTHpKazYxaFBJNEVMYWdWTWpSUklZQUNDZGVUaG42aC96blpnV01GZzErMSs0RXAzWjZRNXVuNWYrcGp3NTE0ZHlTRjVJY2pPdVloVk1VcktOVUI5bmtIalp1ODhuUDNMSUxlZ216cWorSXN3ZVk0Q08zZGlGNDE_

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 3 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 5 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 62 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

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    "C:\Program Files\Google\Chrome\Application\chrome.exe" "--simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT'"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://storage.googleapis.com/9e3edabc513515d03671/38af2b66a642c4033f51#UERvT1dCSGVDTHpKazYxaFBJNEVMYWdWTWpSUklZQUNDZGVUaG42aC96blpnV01GZzErMSs0RXAzWjZRNXVuNWYrcGp3NTE0ZHlTRjVJY2pPdVloVk1VcktOVUI5bmtIalp1ODhuUDNMSUxlZ216cWorSXN3ZVk0Q08zZGlGNDE_
    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:4108
    • 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=0x100,0x104,0x108,0xfc,0x10c,0x7ffd67a99758,0x7ffd67a99768,0x7ffd67a99778
      2⤵
        PID:2800
      • 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=1636 --field-trial-handle=1840,i,6824747817704250569,10895701450498496055,131072 /prefetch:2
        2⤵
          PID:3964
        • 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=2136 --field-trial-handle=1840,i,6824747817704250569,10895701450498496055,131072 /prefetch:8
          2⤵
            PID:4672
          • 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=1840,i,6824747817704250569,10895701450498496055,131072 /prefetch:8
            2⤵
              PID:2256
            • 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=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3008 --field-trial-handle=1840,i,6824747817704250569,10895701450498496055,131072 /prefetch:1
              2⤵
                PID:4764
              • 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=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3000 --field-trial-handle=1840,i,6824747817704250569,10895701450498496055,131072 /prefetch:1
                2⤵
                  PID:1412
                • 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=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4604 --field-trial-handle=1840,i,6824747817704250569,10895701450498496055,131072 /prefetch:1
                  2⤵
                    PID:3884
                  • 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=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=4596 --field-trial-handle=1840,i,6824747817704250569,10895701450498496055,131072 /prefetch:1
                    2⤵
                      PID:4912
                    • 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=4 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=3292 --field-trial-handle=1840,i,6824747817704250569,10895701450498496055,131072 /prefetch:1
                      2⤵
                        PID:5080
                      • 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=5356 --field-trial-handle=1840,i,6824747817704250569,10895701450498496055,131072 /prefetch:8
                        2⤵
                          PID:4340
                        • 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=5580 --field-trial-handle=1840,i,6824747817704250569,10895701450498496055,131072 /prefetch:8
                          2⤵
                            PID:1488
                          • 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=5336 --field-trial-handle=1840,i,6824747817704250569,10895701450498496055,131072 /prefetch:8
                            2⤵
                              PID:3108
                            • 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=4 --enable-main-frame-before-activation --renderer-client-id=13 --mojo-platform-channel-handle=5688 --field-trial-handle=1840,i,6824747817704250569,10895701450498496055,131072 /prefetch:1
                              2⤵
                                PID:4596
                            • 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:4564
                              • C:\Windows\System32\svchost.exe
                                C:\Windows\System32\svchost.exe -k netsvcs -p
                                1⤵
                                • Drops file in System32 directory
                                • Checks processor information in registry
                                • Enumerates system info in registry
                                PID:4748

                              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

                                120B

                                MD5

                                f0a85b7504e0ebcb4fc273c54c337264

                                SHA1

                                0693778df37b2355d37e7ac47379eaaf4958deb9

                                SHA256

                                d50cb38b5e8722678773ce1e631993a3e6eea872acd45e57b1777163c0ff70f1

                                SHA512

                                7249a92f022fc27b743d623d3e8784c0359c99a5bf4e0cab782763fd88cf851ee8d11c6affc2daee94447c1d15662dc72c8f5846463889bc22b53637bf4dd7eb

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

                                Filesize

                                539B

                                MD5

                                240b5e296fb3afff120135196399f746

                                SHA1

                                0ad26f4e2cd5d8e9908e74014553df897179d3d9

                                SHA256

                                447dbc97138666acbc03b69db7597c691da8f6e98d0e5ad41f5c77f4e453adbb

                                SHA512

                                09d35deb359d41f44a55d8834ad063217379d4e5a6ae38c09be96e545370aa8855b91d56cd4105035f831b98b3901bcee2eb024c5dcb3128a6ad3da8edc1d3f4

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

                                Filesize

                                6KB

                                MD5

                                03342dd70320907f33257ba826216a09

                                SHA1

                                2e1c0d67ac1e214a050a7e59f8a04c60884635b6

                                SHA256

                                cd390df05e2bf59854e6c8623956a8eb30979e2402942571b316e1045f9e75e3

                                SHA512

                                3966f8d9c47c1219c1d202c56ebcc02079b930b4e3f5f5a7bf05344054e401d4713888a0aff8be57c60f5a1b95d1c02decb904b3230af3bb9e567b90d073a851

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

                                Filesize

                                15KB

                                MD5

                                86173be1aa5505c39a318b078d271a1f

                                SHA1

                                d09819f68bab74b8505b07ad7af57830523c640e

                                SHA256

                                f266be0f0af8761ed3e06a492346874c432d63627dd1ebb94fa216c82f3c43c7

                                SHA512

                                15a5ef6170e287ff5dfbdad49201bc13e1a8771e05639af5824a434530d3aa7cde6a4d28b886acf01945fdcf50c15416bb795f5b20fa351ee3b66306ac284cd3

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

                                Filesize

                                173KB

                                MD5

                                65ae8217ca9d6b9554a245d913ab5f5c

                                SHA1

                                47d5df99560ed90803c253733085b30815057e71

                                SHA256

                                a54a69467018b11f073cb9002239c4e04089121d4fe165611faf46788b43e170

                                SHA512

                                69499e754a11cc1abb57d69f61b5f1cf5e7eba62480f00b1ac97d43a81ba9f6d47f99228947ac14a8c7de0ed69875c34e07022f358b6081139c694c6446f07c2

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

                                Filesize

                                2B

                                MD5

                                99914b932bd37a50b983c5e7c90ae93b

                                SHA1

                                bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                                SHA256

                                44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                                SHA512

                                27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

                              • C:\Users\Admin\AppData\Local\Temp\wsuA1FD.tmp

                                Filesize

                                14KB

                                MD5

                                c01eaa0bdcd7c30a42bbb35a9acbf574

                                SHA1

                                0aee3e1b873e41d040f1991819d0027b6cc68f54

                                SHA256

                                32297224427103aa1834dba276bf5d49cd5dd6bda0291422e47ad0d0706c6d40

                                SHA512

                                d26ff775ad39425933cd3df92209faa53ec5b701e65bfbcccc64ce8dd3e79f619a9bad7cc975a98a95f2006ae89e50551877fc315a3050e48d5ab89e0802e2b7