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Analysis

  • max time kernel
    145s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/08/2024, 17:23

General

  • Target

    https://upfiles.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?expires=1724217764&signature=3305785b029dba3d37c7a56c6913b74b6c940b3e1c6f7f5d243e7ea350e7cda8

Score
3/10

Malware Config

Signatures

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://upfiles.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?expires=1724217764&signature=3305785b029dba3d37c7a56c6913b74b6c940b3e1c6f7f5d243e7ea350e7cda8
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:756
    • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffcc0f746f8,0x7ffcc0f74708,0x7ffcc0f74718
      2⤵
        PID:744
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2064,17420582013577609584,16005735462117433301,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2072 /prefetch:2
        2⤵
          PID:5016
        • 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=2064,17420582013577609584,16005735462117433301,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2276 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2760
        • 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=2064,17420582013577609584,16005735462117433301,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2704 /prefetch:8
          2⤵
            PID:1796
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,17420582013577609584,16005735462117433301,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3328 /prefetch:1
            2⤵
              PID:3568
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,17420582013577609584,16005735462117433301,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3344 /prefetch:1
              2⤵
                PID:1696
              • 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=2064,17420582013577609584,16005735462117433301,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5436 /prefetch:8
                2⤵
                  PID:3496
                • 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=2064,17420582013577609584,16005735462117433301,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5436 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:5112
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --field-trial-handle=2064,17420582013577609584,16005735462117433301,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=4716 /prefetch:8
                  2⤵
                    PID:1540
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,17420582013577609584,16005735462117433301,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4768 /prefetch:1
                    2⤵
                      PID:4160
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --field-trial-handle=2064,17420582013577609584,16005735462117433301,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4980 /prefetch:8
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:1328
                    • C:\Windows\system32\NOTEPAD.EXE
                      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Downloads\Steam.txt
                      2⤵
                      • Opens file in notepad (likely ransom note)
                      • Suspicious use of FindShellTrayWindow
                      PID:5288
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,17420582013577609584,16005735462117433301,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2876 /prefetch:1
                      2⤵
                        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=2064,17420582013577609584,16005735462117433301,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6132 /prefetch:1
                        2⤵
                          PID:5604
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,17420582013577609584,16005735462117433301,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5720 /prefetch:1
                          2⤵
                            PID:5796
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,17420582013577609584,16005735462117433301,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5684 /prefetch:1
                            2⤵
                              PID:5804
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2064,17420582013577609584,16005735462117433301,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=4820 /prefetch:2
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:3720
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:4848
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:1388

                              Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

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                              Downloads

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

                                Filesize

                                152B

                                MD5

                                ecf7ca53c80b5245e35839009d12f866

                                SHA1

                                a7af77cf31d410708ebd35a232a80bddfb0615bb

                                SHA256

                                882a513b71b26210ff251769b82b2c5d59a932f96d9ce606ca2fab6530a13687

                                SHA512

                                706722bd22ce27d854036b1b16e6a3cdb36284b66edc76238a79c2e11cee7d1307b121c898ad832eb1af73e4f08d991d64dc0bff529896ffb4ebe9b3dc381696

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

                                Filesize

                                152B

                                MD5

                                4dd2754d1bea40445984d65abee82b21

                                SHA1

                                4b6a5658bae9a784a370a115fbb4a12e92bd3390

                                SHA256

                                183b8e82a0deaa83d04736553671cedb738adc909f483b3c5f822a0e6be7477d

                                SHA512

                                92d44ee372ad33f892b921efa6cabc78e91025e89f05a22830763217826fa98d51d55711f85c8970ac58abf9adc6c85cc40878032cd6d2589ab226cd099f99e1

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

                                Filesize

                                184B

                                MD5

                                828d775b16a92f54d0b89a069e9268ee

                                SHA1

                                679d6490af4bd0d063bf7790671abb1571d31967

                                SHA256

                                44656e4cd1e2a8b643206bf63bceb47005d70df178dc8a954bb7275e45672d99

                                SHA512

                                b7d593a4458f6549c9edc08b072461a3a2ca30d95fb665957700ba38f64db8528eb6bdf23ca4a8746d6aa6e6a7be246ec8dc8e31358210da29755f915eab6ad9

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

                                Filesize

                                5KB

                                MD5

                                05d34862d8eb93c7152d2512ae54699a

                                SHA1

                                6757d2898e71e8204a59f9920ca9f8ba552b3009

                                SHA256

                                f3e1f322b7afe51eecc2a7157a901391155c3bc11c3253ecc598bf23e3f629af

                                SHA512

                                6187da082daefa4a4e56155d8bfaf0233bc79dc316ea5c75be8d63f031ccaeac483a0dacc5ccb0368a950bf27d6c92ffcc23c30c672a456a541c40d22be45695

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

                                Filesize

                                6KB

                                MD5

                                bff137365881c21dd1cd436de6186ac3

                                SHA1

                                13ad42d53700daf10a084141c481a0a4dffadd70

                                SHA256

                                8a00e4e7ead4501a02451b75750f6493eaeafda0d4c91dd17b49af9e1395dcc8

                                SHA512

                                6096add00d08cf530d659627e9fae8178e2d5ac759cc4ab350898b5cedfa8a28f390e750929859e0f9784af343311352fafb95208331370dd1e97d3e664c0e40

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

                                Filesize

                                16B

                                MD5

                                6752a1d65b201c13b62ea44016eb221f

                                SHA1

                                58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                                SHA256

                                0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                                SHA512

                                9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

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

                                Filesize

                                11KB

                                MD5

                                a1f770600f32ffa3fb6ccedff438c9f0

                                SHA1

                                70e4f7c9ec6329beb9715fde457141b780d4a200

                                SHA256

                                9364021f2c40a486571759e93e5c752164f18d675ce5e0b51884564eccb689bc

                                SHA512

                                6525fe165405b958f94188b69b4237eecfa0b839146f3ef6c684f6d2b6acdc9b473802216d2612ea57e654f9c1b8948ba9e1936dbf2e7f97a74c096cc479cf3a

                              • C:\Users\Admin\Downloads\Steam.txt

                                Filesize

                                746B

                                MD5

                                78073378f054de24b41549b48bdad4d8

                                SHA1

                                8b257cb9eba3686cc8d6839d77f945e353e8a02d

                                SHA256

                                dcd27a75415fcaa4014974b161574fea81b8e6535152e4d482845c46ba21775a

                                SHA512

                                fa8712ad9d9c70af3ce582b14aa7838adadadae40b79bb32789e098cf3f0b7a5071ea2e13db6e5496acf0e0fd29099ee56c2f00cd6d9990dc868062c3ac22d3c