Analysis

  • max time kernel
    55s
  • max time network
    63s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2023 10:37

General

  • Target

    http://assets.a-mo.net

Score
4/10

Malware Config

Signatures

  • Drops file in Program Files directory 2 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell start shell:Appsfolder\Microsoft.MicrosoftEdge_8wekyb3d8bbwe!MicrosoftEdge http://assets.a-mo.net
    1⤵
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4980
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --edge-redirect=Windows.Launch http://assets.a-mo.net
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4428
    • 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=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffda73746f8,0x7ffda7374708,0x7ffda7374718
      2⤵
        PID:1252
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2088,12532685042865465952,4324358377298890298,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2164 /prefetch:2
        2⤵
          PID:2404
        • 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=2088,12532685042865465952,4324358377298890298,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2216 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2104
        • 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=2088,12532685042865465952,4324358377298890298,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2716 /prefetch:8
          2⤵
            PID:1944
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,12532685042865465952,4324358377298890298,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3288 /prefetch:1
            2⤵
              PID:3980
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,12532685042865465952,4324358377298890298,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3272 /prefetch:1
              2⤵
                PID:4584
              • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2088,12532685042865465952,4324358377298890298,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5000 /prefetch:8
                2⤵
                  PID:856
                • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
                  2⤵
                  • Drops file in Program Files directory
                  PID:4120
                  • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x220,0x224,0x228,0x200,0x22c,0x7ff7dcca5460,0x7ff7dcca5470,0x7ff7dcca5480
                    3⤵
                      PID:4532
                  • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2088,12532685042865465952,4324358377298890298,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5000 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1264
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,12532685042865465952,4324358377298890298,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5536 /prefetch:1
                    2⤵
                      PID:1444
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,12532685042865465952,4324358377298890298,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5516 /prefetch:1
                      2⤵
                        PID:3300
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,12532685042865465952,4324358377298890298,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5580 /prefetch:1
                        2⤵
                          PID:460
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,12532685042865465952,4324358377298890298,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5680 /prefetch:1
                          2⤵
                            PID:1472
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:2624

                          Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

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                          Downloads

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                            Filesize

                            152B

                            MD5

                            aaeb1f5e097ab38083674077b84b8ed6

                            SHA1

                            7d9191cb2277c30f1147c9d29d75fc8e6aa0a4f2

                            SHA256

                            1654b27bfaeee49bfe56e0c4c0303418f4887f3ea1933f03cafce10352321aef

                            SHA512

                            130f1b62134626959f69b13e33c42c3182e343d7f0a5b6291f7bb0c2f64b60885f5e6331e1866a4944e9b7b2e49fe798e073316fde23927ede2c348ba0e56eda

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                            Filesize

                            152B

                            MD5

                            1db53baf44edd6b1bc2b7576e2f01e12

                            SHA1

                            e35739fa87978775dcb3d8df5c8d2063631fa8df

                            SHA256

                            0d73ba3eea4c552ce3ffa767e4cd5fff4e459e543756987ab5d55f1e6d963f48

                            SHA512

                            84f544858803ac14bac962d2df1dbc7ed6e1134ecf16d242d7ee7316648b56b5bc095241363837bf0bf0afd16ca7deebe7afb7d40057604acbf09821fd5a9912

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Edge Profile.ico

                            Filesize

                            70KB

                            MD5

                            e5e3377341056643b0494b6842c0b544

                            SHA1

                            d53fd8e256ec9d5cef8ef5387872e544a2df9108

                            SHA256

                            e23040951e464b53b84b11c3466bbd4707a009018819f9ad2a79d1b0b309bc25

                            SHA512

                            83f09e48d009a5cf83fa9aa8f28187f7f4202c84e2d0d6e5806c468f4a24b2478b73077381d2a21c89aa64884df3c56e8dc94eb4ad2d6a8085ac2feb1e26c2ef

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Microsoft Edge.lnk

                            Filesize

                            2KB

                            MD5

                            518c7a281c541067c55a68502f6046cd

                            SHA1

                            7428909c3e65fa1bafb9978383ba27914d9e95f0

                            SHA256

                            13f0441236cd9d31f8bb4e1c0178555e081ee5355935b214412c6c55153b4701

                            SHA512

                            efb341c39b4d553dbe7feb632ef68d098c40e74ad97182bdedaca386833fb4ebde55c99ad90c17df35203ac2a2907b9d9d4d1e8098a783cd53c2d3c637151da5

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

                            Filesize

                            111B

                            MD5

                            285252a2f6327d41eab203dc2f402c67

                            SHA1

                            acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6

                            SHA256

                            5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026

                            SHA512

                            11ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                            Filesize

                            4KB

                            MD5

                            9939860f7fcec64aac7ee87550d891af

                            SHA1

                            743061c9a1ca0d014d2e169ed617b703cdf3d9b6

                            SHA256

                            ebd0f8b3ace8cf413f820b712149355593ec45601c01b9f0b0e11c5889ac4ade

                            SHA512

                            8350b4913242387a21df3e4f92dbffae2190d0ae5dfdbd765929f195ba4a41ea235c5024c565860d69efae7ec2d0b2e6428655870bf44ff2c47335c74f9ba519

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                            Filesize

                            5KB

                            MD5

                            c4661fe04e0cb65882cdfc66c2a57be6

                            SHA1

                            0954c3ca634087f076bc9bf174ba5353bb18a435

                            SHA256

                            b23c1fdcf06526ecb9420254914f950996327871564f38be5d198e40c6302d22

                            SHA512

                            690ddb2680da2add34b016cd26919568f55c0709189a57fd8ddc4b0c758de48d4b3ece85dd0798fc34911252b419fae60ec48ac874afeb7318f49e36c6e35df7

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                            Filesize

                            5KB

                            MD5

                            4a60db52d5b31f180a2f4dbcdb5dda13

                            SHA1

                            ad05397a25fde360f5520fb8d75116b102db2b46

                            SHA256

                            5541a897f6009c26ba9e55422bb168f533706917268c5cec38743ca01da04794

                            SHA512

                            5059147b1496959b5af67dc1da4003b9db8384427628f280bf4c57a240e6c759127417f5170514f7d96a80c6a02618faa4049b9c857ccf2c80ee9a0f394e7eff

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences

                            Filesize

                            24KB

                            MD5

                            47e94a96372e6f095b8a3fd7edc48ec0

                            SHA1

                            377b68f34e5964ca8be1b1b0c1507dd7f0e5f005

                            SHA256

                            15c77bafd922bd085317fd544d0fa129e3b8c814e3ba0d48936366004427732e

                            SHA512

                            5bd63de2e831805b723d7ddf1343c3b721ef5b757d9ab01bf8554ef8e29ac2cc09fa104fc85d530f27d66b67280774b3ebbef6729ea3ab61ce8028ab4ba5bdad

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences

                            Filesize

                            24KB

                            MD5

                            3d874cbf2372e29aa7bde5be5e1db4b3

                            SHA1

                            a9214d4e1ddfd7f4cbe8fc61f838f9f2a2f2f26f

                            SHA256

                            84c9c0c31f068bcdc2258102ef25547073b785cfedc7345f510de21dd6096000

                            SHA512

                            8f90c381382b2a95c3ba3fe941429cc70094c92e78668a54ac88ed3e030c14ee7c3ba8ee7f450533456fd1933663b4c300f265da972fc0493aa409cc17b9fe10

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                            Filesize

                            16B

                            MD5

                            206702161f94c5cd39fadd03f4014d98

                            SHA1

                            bd8bfc144fb5326d21bd1531523d9fb50e1b600a

                            SHA256

                            1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

                            SHA512

                            0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\shared_proto_db\CURRENT

                            Filesize

                            16B

                            MD5

                            46295cac801e5d4857d09837238a6394

                            SHA1

                            44e0fa1b517dbf802b18faf0785eeea6ac51594b

                            SHA256

                            0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                            SHA512

                            8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\shared_proto_db\MANIFEST-000001

                            Filesize

                            41B

                            MD5

                            5af87dfd673ba2115e2fcf5cfdb727ab

                            SHA1

                            d5b5bbf396dc291274584ef71f444f420b6056f1

                            SHA256

                            f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4

                            SHA512

                            de34583a7dbafe4dd0dc0601e8f6906b9bc6a00c56c9323561204f77abbc0dc9007c480ffe4092ff2f194d54616caf50aecbd4a1e9583cae0c76ad6dd7c2375b

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                            Filesize

                            9KB

                            MD5

                            8d17f0121c619feab3d14fef6623e579

                            SHA1

                            75c7a5e0397975f5b13e249f8179e2e547d6f23c

                            SHA256

                            59dd10d696c916753a39e4b6c83c07171a0508883c5f5c0129e0c0993f757fd9

                            SHA512

                            3975d02ccf644207c78616a515da6fd0db1e47c2e5a0882e8d474442afc5fe941a8c8138591a9a236a3fced2702fab865125e216b924bc7f48efa4269420e137

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                            Filesize

                            12KB

                            MD5

                            57f912e00594b23fc690de81e3866f4e

                            SHA1

                            a5843f3674b556ed6b675d66187b43a00108c682

                            SHA256

                            83214156e9f42d9d21e6dc439e449d2393830524be44064088d17e971b4b4fbf

                            SHA512

                            01d13ba371a1640d686298082a98bfb577f351928a76242cebbae5b528fae45ab52d5279e111e80ab83e35df64b0380586174fc9b17c48052df03a93d0c4e1d8

                          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lxlncswv.hhy.ps1

                            Filesize

                            60B

                            MD5

                            d17fe0a3f47be24a6453e9ef58c94641

                            SHA1

                            6ab83620379fc69f80c0242105ddffd7d98d5d9d

                            SHA256

                            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                            SHA512

                            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

                          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ccba5a5986c77e43.customDestinations-ms

                            Filesize

                            3KB

                            MD5

                            134e0d111d161b5fee61ca00b9886365

                            SHA1

                            ce6c4081e5730d9bddfdbbf22426a5587890b83c

                            SHA256

                            4abe2bcac8525ea96bad87e1317ee5a0a3debbeb45cccd5e89d66d1d5468c586

                            SHA512

                            e37c08e2054dca8e47d31d87cb9c47309cbec8852c8a5bba118dc3ec3f3dfce42b886175fea036e87925039a9433023b75a4ab12802f8a0905fdae1cdbd5919c

                          • memory/4980-145-0x0000024EF9640000-0x0000024EF9650000-memory.dmp

                            Filesize

                            64KB

                          • memory/4980-144-0x0000024EF9640000-0x0000024EF9650000-memory.dmp

                            Filesize

                            64KB

                          • memory/4980-143-0x0000024EF9640000-0x0000024EF9650000-memory.dmp

                            Filesize

                            64KB

                          • memory/4980-138-0x0000024EF9180000-0x0000024EF91A2000-memory.dmp

                            Filesize

                            136KB