Analysis

  • max time kernel
    91s
  • max time network
    89s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-04-2023 19:53

General

  • Target

    7z2201-x64.exe

  • Size

    1.5MB

  • MD5

    a6a0f7c173094f8dafef996157751ecf

  • SHA1

    c0dcae7c4c80be25661d22400466b4ea074fc580

  • SHA256

    b055fee85472921575071464a97a79540e489c1c3a14b9bdfbdbab60e17f36e4

  • SHA512

    965d43f06d104bf6707513c459f18aaf8b049f4a043643d720b184ed9f1bb6c929309c51c3991d5aaff7b9d87031a7248ee3274896521abe955d0e49f901ac94

  • SSDEEP

    24576:mGIyixBMj+/A2d+UKnvT+LwZWj7iDDVVYrz0rbzGTw3DoA/sk6smE:mGbj+/BpKnvyIxVV/XDoAfmE

Score
6/10

Malware Config

Signatures

  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Checks processor information in registry 2 TTPs 5 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 4 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:\Users\Admin\AppData\Local\Temp\7z2201-x64.exe
    "C:\Users\Admin\AppData\Local\Temp\7z2201-x64.exe"
    1⤵
      PID:4384
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe"
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:1300
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe"
        2⤵
        • Checks processor information in registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:968
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="968.0.563219038\358003856" -parentBuildID 20221007134813 -prefsHandle 1844 -prefMapHandle 1836 -prefsLen 20890 -prefMapSize 232675 -appDir "C:\Program Files\Mozilla Firefox\browser" - {79c2fc11-4f71-45e0-905e-75eb05e009fe} 968 "\\.\pipe\gecko-crash-server-pipe.968" 1924 14331b25258 gpu
          3⤵
            PID:2296
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="968.1.982332936\526306809" -parentBuildID 20221007134813 -prefsHandle 2304 -prefMapHandle 2300 -prefsLen 20926 -prefMapSize 232675 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {1246b98b-1344-4e1b-a3c5-464f3007aea5} 968 "\\.\pipe\gecko-crash-server-pipe.968" 2316 14323b71358 socket
            3⤵
              PID:228
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="968.2.2073006565\1834256444" -childID 1 -isForBrowser -prefsHandle 3272 -prefMapHandle 3112 -prefsLen 21074 -prefMapSize 232675 -jsInitHandle 1508 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {7b60c667-e484-4dc8-9883-77b7be62f19a} 968 "\\.\pipe\gecko-crash-server-pipe.968" 3200 14334834758 tab
              3⤵
                PID:2584
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="968.3.834258149\693771299" -childID 2 -isForBrowser -prefsHandle 3628 -prefMapHandle 3624 -prefsLen 26519 -prefMapSize 232675 -jsInitHandle 1508 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {f468fc20-dbab-4c50-a223-66047aef07e5} 968 "\\.\pipe\gecko-crash-server-pipe.968" 1440 14330a2a658 tab
                3⤵
                  PID:548
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="968.4.1100093274\224222518" -childID 3 -isForBrowser -prefsHandle 4124 -prefMapHandle 4120 -prefsLen 26519 -prefMapSize 232675 -jsInitHandle 1508 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {971f408b-fed9-4cb4-8e14-c387708ed0a4} 968 "\\.\pipe\gecko-crash-server-pipe.968" 4136 14323b6e258 tab
                  3⤵
                    PID:2844
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="968.5.1084786758\1915966623" -childID 4 -isForBrowser -prefsHandle 4972 -prefMapHandle 5000 -prefsLen 26659 -prefMapSize 232675 -jsInitHandle 1508 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {d99278d3-b3a8-4e1c-905e-ea3f00973af0} 968 "\\.\pipe\gecko-crash-server-pipe.968" 4964 14323b68a58 tab
                    3⤵
                      PID:2928
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="968.6.1523727621\939652180" -childID 5 -isForBrowser -prefsHandle 5144 -prefMapHandle 5148 -prefsLen 26659 -prefMapSize 232675 -jsInitHandle 1508 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {e134c3db-3ad5-4371-a48a-9ed03478a29b} 968 "\\.\pipe\gecko-crash-server-pipe.968" 5136 14336d88458 tab
                      3⤵
                        PID:1548
                      • C:\Program Files\Mozilla Firefox\firefox.exe
                        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="968.7.1389772366\809103265" -childID 6 -isForBrowser -prefsHandle 5336 -prefMapHandle 5340 -prefsLen 26659 -prefMapSize 232675 -jsInitHandle 1508 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {488cf5a7-e2f8-4e0c-b153-e50600d1ff60} 968 "\\.\pipe\gecko-crash-server-pipe.968" 5328 14337655158 tab
                        3⤵
                          PID:2344
                        • C:\Program Files\Mozilla Firefox\firefox.exe
                          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="968.8.1373170178\1062234205" -childID 7 -isForBrowser -prefsHandle 4144 -prefMapHandle 1276 -prefsLen 26834 -prefMapSize 232675 -jsInitHandle 1508 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {2b4acdfc-bd38-4732-a748-e23c16da5c55} 968 "\\.\pipe\gecko-crash-server-pipe.968" 4844 14323b5c458 tab
                          3⤵
                            PID:3300
                          • C:\Program Files\Mozilla Firefox\firefox.exe
                            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="968.9.827154630\599806680" -childID 8 -isForBrowser -prefsHandle 5788 -prefMapHandle 5784 -prefsLen 27426 -prefMapSize 232675 -jsInitHandle 1508 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {7e9ad5c5-6d4d-4675-8667-366508fa0cda} 968 "\\.\pipe\gecko-crash-server-pipe.968" 5876 14323b5f858 tab
                            3⤵
                              PID:4848

                        Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\57nap2zl.default-release\activity-stream.discovery_stream.json.tmp

                          Filesize

                          166KB

                          MD5

                          210f13aef9d2559fbda7f2496d4bd0ba

                          SHA1

                          0d6fd7267fa0230e778bea653af1d78c18f41601

                          SHA256

                          e9dcb42d3257e018c358509336b3d6aed599fc65d452ec9f4b0eec5dc1714710

                          SHA512

                          b74d25d58ccb95e1a4d9c5b6f63621826aa8771993ab03309544d6716e01944327503ddc183ec587277175ca947a2e95417eef18d59f761341cf044ea3061ddf

                        • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\57nap2zl.default-release\thumbnails\feb34ef782e3972ff52dd0df5a8d7acf.png

                          Filesize

                          1KB

                          MD5

                          999062acb40f7def791a661676b2a424

                          SHA1

                          8857fef2f3699254bb6952d0d25ea3f5ddd437fb

                          SHA256

                          660a5f332eba2dafd0fc20097c3d9d84a531a7e42a39fc75c9e329707c2428bc

                          SHA512

                          3c52d0906e794d75db6a487c867c5bc444d7c087c8ef4783c8db7777756d236dc2b9c4acd37ae2d2a2019da0d82b0d547d9c719977fdeed89c8785d1ebf40ca8

                        • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\57nap2zl.default-release\thumbnails\feb34ef782e3972ff52dd0df5a8d7acf.png

                          Filesize

                          2KB

                          MD5

                          f71dbad02ac14eb87e7f34e330baa07c

                          SHA1

                          abe794d656110f225ce4ab80251b74b85bb09e0d

                          SHA256

                          3b0ea01a33d18c8e658563e6c5c5e392490e3dc0b290a01d6bf7386e7508395a

                          SHA512

                          fc1981ee37b67231cc36d7fda9bb08a5e05676abc7961216a1f879f5ebd452c06fd017ba7b745ea5af8ef0a7b915c84f32eec7be648347a30492f49d261abffc

                        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\57nap2zl.default-release\prefs-1.js

                          Filesize

                          6KB

                          MD5

                          a4f9a8e6e49e29504b29484452f72a69

                          SHA1

                          d6df39a228c067d476e51125138da820595b41c2

                          SHA256

                          d77fbbfc4c21a9fe5ece31aa81fa7fda6e0aea4111c0e37b6a5145d4eac6d928

                          SHA512

                          084e11379cd79701249bb3329747e941639a4b87ec38310ab248214e02f0b98f2b1454a6f183eef25f959b023cbab7b9860594b3a988f02e2ace2c969024b5f7

                        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\57nap2zl.default-release\prefs-1.js

                          Filesize

                          6KB

                          MD5

                          787908516416216e14ca735672dee9b9

                          SHA1

                          21401461a9a06908c5bcbd4f8789c7b7772c5edb

                          SHA256

                          5b5b395071df81d751043a0c7948c66bbad9d6f30737f50976d33abbce62ba66

                          SHA512

                          5d0ee99c06314ae330a37674cffca31a0af28829c6ebd19fadb76e7990dc212f5fd9e2928e3ca4c8d4bed43311f54ce89df1dd57ebbf37ca36f27d753bbf9f93

                        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\57nap2zl.default-release\prefs-1.js

                          Filesize

                          6KB

                          MD5

                          16b992bf911a876e235033e6b061148a

                          SHA1

                          ac0b23be0c1b0ef419a632ac7c815f8b7f8f3f95

                          SHA256

                          00d731878c6f925fbe96d14e0d13c4fa60eeea55a64b64f742732c6c9aa63cc9

                          SHA512

                          bef824a0bdd88b2d9bb4c19fe5b9aa8062f53f1057f75eaa01e26a7f557f1fa56f7841ad3e84bdbafe693009bc2156e648e9cc68e90e6d63fea36160fb705036

                        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\57nap2zl.default-release\prefs-1.js

                          Filesize

                          7KB

                          MD5

                          5e6225aa6a06d647a283c9b5fe47ca05

                          SHA1

                          fc15899646eb7acfe8b12d446bf24ea0f5534776

                          SHA256

                          6f97f80eff5ee86a886bb3d5c602618762948280b6e8beebcf4b5423fd71070b

                          SHA512

                          6e8225c96eb079f904240790938d727ede7b79267a952da8c8576429248baf5a03412c939448a11bf0d69302542e1f9518ba38685a2aae5462d64d6284ed9d35

                        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\57nap2zl.default-release\prefs-1.js

                          Filesize

                          7KB

                          MD5

                          7a9ba4ef602aa3133c5bc69e7e4370ca

                          SHA1

                          96cc072d5ce81b4891e6c5eaac59ef114867cc5d

                          SHA256

                          d2dd31cf0de205e721e31fd0107023e993d0c7d6df9f6a604a08834a32793b4b

                          SHA512

                          9b8c927f6b2fa77f03b073ed7eb8ffa8352e291f113525a845947d1808ec9f4be297b8aef5aa91255fdfdf0a0ea47db6d95df3ee9edcab9d3acd2497675bc2c7

                        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\57nap2zl.default-release\prefs-1.js

                          Filesize

                          6KB

                          MD5

                          e92ab0678dfc295fe9fb284907a49517

                          SHA1

                          782de969aeed7de36f7b9bedf0653ee6bbe06b0a

                          SHA256

                          28221ea673094db4361f55ccf40a44cea98923b691bc7f9ac2f62596fcf6d272

                          SHA512

                          122030ae807afdc481c1ba7e8d8521e7235f4d407f861c1e56b4650f69a607ab7a4cd0a6d2a51b67122512214d66afa5d988009aad89ba2d69787a440743b26e

                        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\57nap2zl.default-release\prefs.js

                          Filesize

                          6KB

                          MD5

                          feb8a52858c8167a58f36caa1b37f116

                          SHA1

                          7ae7f9d2721ae3c579f9e18e4fea679e8c848158

                          SHA256

                          adbc4c7b5e775c3d401ae811d5be5a69b844f5937e3d0a416d374dd5a7ec227a

                          SHA512

                          109d42ec5b9744b3561d29a9cabdcf2ffb81233935fa5c2d80c39f27b92ae55366c3c51ae3d26cc1a8936635662acbd11af89e54efac374aceaa279f13e7dc16

                        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\57nap2zl.default-release\sessionstore-backups\recovery.jsonlz4

                          Filesize

                          1KB

                          MD5

                          cff076b7f1c364c3363f4824a883525e

                          SHA1

                          a74fa2a8771705a53c15a7ea90007420e18eb0ed

                          SHA256

                          870f79637b75051c83983bac5b1c4652e9a3fc063f920899a00fb70878a6e0e0

                          SHA512

                          46ac2e7089ea4c7dcb409e8b38af4b4511eeb12fe3d6a7a7ab9cc6cb27a8efdf37b8c634c4ac1986b3c2358985dcea269152bd7b57210b39710adbcc03a3e5c6

                        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\57nap2zl.default-release\sessionstore-backups\recovery.jsonlz4

                          Filesize

                          1KB

                          MD5

                          f10b6e8aea42980e6a96d96013f0088a

                          SHA1

                          ade8fc293bf897a6413e364647b4c7f701208996

                          SHA256

                          63a4f04d37d71799e3d74f59bb7d978a07345d15298b8e4879ed6746cb519b84

                          SHA512

                          6b26f3ff89b48bba87c3833f758f8bc17138cca1fa6e045ddd504998f2e27110376d4dc5440d222ba3d5d7a8f88a4e9adf2dcf1a1ebf1ee0ff5522cbdd85e7df