Analysis

  • max time kernel
    31s
  • max time network
    39s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-09-2024 02:23

General

  • Target

    https://gofile.io/d/N2SE72

Malware Config

Signatures

  • Detect Umbral payload 2 IoCs
  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of FindShellTrayWindow 36 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://gofile.io/d/N2SE72
    1⤵
    • Enumerates system info in registry
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3232
    • 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,0x100,0x104,0xd8,0x108,0x7ffc49f046f8,0x7ffc49f04708,0x7ffc49f04718
      2⤵
        PID:3144
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1836,15375163810586726873,8445013085342222921,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2128 /prefetch:2
        2⤵
          PID:4384
        • 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=1836,15375163810586726873,8445013085342222921,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2188 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:5100
        • 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=1836,15375163810586726873,8445013085342222921,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2856 /prefetch:8
          2⤵
            PID:2992
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1836,15375163810586726873,8445013085342222921,131072 --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=3320 /prefetch:1
            2⤵
              PID:4380
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1836,15375163810586726873,8445013085342222921,131072 --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=3336 /prefetch:1
              2⤵
                PID:4820
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1836,15375163810586726873,8445013085342222921,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4604 /prefetch:1
                2⤵
                  PID:4284
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1836,15375163810586726873,8445013085342222921,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3656 /prefetch:1
                  2⤵
                    PID:724
                  • 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=1836,15375163810586726873,8445013085342222921,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5136 /prefetch:8
                    2⤵
                      PID:1008
                    • 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=1836,15375163810586726873,8445013085342222921,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5136 /prefetch:8
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:384
                    • 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=1836,15375163810586726873,8445013085342222921,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5236 /prefetch:8
                      2⤵
                        PID:1900
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1836,15375163810586726873,8445013085342222921,131072 --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=4672 /prefetch:1
                        2⤵
                          PID:3136
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1836,15375163810586726873,8445013085342222921,131072 --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=4600 /prefetch:1
                          2⤵
                            PID:5000
                          • 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=1836,15375163810586726873,8445013085342222921,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3984 /prefetch:8
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:2704
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=1836,15375163810586726873,8445013085342222921,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5892 /prefetch:8
                            2⤵
                              PID:2672
                            • C:\Users\Admin\Downloads\hacks real.exe
                              "C:\Users\Admin\Downloads\hacks real.exe"
                              2⤵
                              • Executes dropped EXE
                              • Suspicious use of AdjustPrivilegeToken
                              PID:212
                              • C:\Windows\System32\Wbem\wmic.exe
                                "wmic.exe" csproduct get uuid
                                3⤵
                                • Suspicious use of AdjustPrivilegeToken
                                PID:3492
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1836,15375163810586726873,8445013085342222921,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=17 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6128 /prefetch:1
                              2⤵
                                PID:836
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1836,15375163810586726873,8445013085342222921,131072 --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=18 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6072 /prefetch:1
                                2⤵
                                  PID:4636
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1836,15375163810586726873,8445013085342222921,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=19 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5916 /prefetch:1
                                  2⤵
                                    PID:3820
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1836,15375163810586726873,8445013085342222921,131072 --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=20 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5796 /prefetch:1
                                    2⤵
                                      PID:960
                                  • C:\Windows\System32\CompPkgSrv.exe
                                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                                    1⤵
                                      PID:3708
                                    • C:\Windows\System32\CompPkgSrv.exe
                                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                                      1⤵
                                        PID:4932

                                      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

                                        53bc70ecb115bdbabe67620c416fe9b3

                                        SHA1

                                        af66ec51a13a59639eaf54d62ff3b4f092bb2fc1

                                        SHA256

                                        b36cad5c1f7bc7d07c7eaa2f3cad2959ddb5447d4d3adcb46eb6a99808e22771

                                        SHA512

                                        cad44933b94e17908c0eb8ac5feeb53d03a7720d97e7ccc8724a1ed3021a5bece09e1f9f3cec56ce0739176ebbbeb20729e650f8bca04e5060c986b75d8e4921

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

                                        Filesize

                                        152B

                                        MD5

                                        e765f3d75e6b0e4a7119c8b14d47d8da

                                        SHA1

                                        cc9f7c7826c2e1a129e7d98884926076c3714fc0

                                        SHA256

                                        986443556d3878258b710d9d9efbf4f25f0d764c3f83dc54217f2b12a6eccd89

                                        SHA512

                                        a1872a849f27da78ebe9adb9beb260cb49ed5f4ca2d403f23379112bdfcd2482446a6708188100496e45db1517cdb43aba8bb93a75e605713c3f97cd716b1079

                                      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

                                        Filesize

                                        288B

                                        MD5

                                        455d9c42d4ae86537a08459ef7586df5

                                        SHA1

                                        c950dc3075d0c6b049f15f70d9fa9f1cab9d91f6

                                        SHA256

                                        97825ce0785f1f55d4e04c6f7499719597e0d3abf95bd9c874256635a2514507

                                        SHA512

                                        93e1cbb51714c822be5cbebedfe9b4cb710a5f210e84b5879f63c4d97903ab48d8d0c84b0a00ee09df65f4630789fd42f08cf6d78fdbfc3fc2fa82b59da44765

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

                                        Filesize

                                        5KB

                                        MD5

                                        f48481fd392a0df07fda487e88c0f821

                                        SHA1

                                        575ea4662e6f94d232ca6a4588665c5deee9fac2

                                        SHA256

                                        4e29cde097141281eee93bfc172c0da09d33eaaca23487b705a416105b2cd7b4

                                        SHA512

                                        82c85bbe64227a01d04b9284db6465a577dbd842b22f82e085192e5b2abf77b4be7e054f54ecca9581977667150b3670aacf603c688a384034f0754a3c385e91

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

                                        Filesize

                                        6KB

                                        MD5

                                        711043f4b9440579f5b5fa63507c549f

                                        SHA1

                                        b36ec8f6f85dd8b05aabcd3c7190ab8d936397c0

                                        SHA256

                                        0682161776c03cd4e3e1c5035947b80f72592ccb06a18caa422cd1f43cc1a579

                                        SHA512

                                        7109a062c6dfaa01a9b1fea3a4bf12ab63ffd0b9582975af7f0550caf755d85683da6ee589648461462201ad8b7287a429a4f03f322d99257a96b306ad31b19b

                                      • 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

                                        10KB

                                        MD5

                                        8c3c8ac76a8ef74dc06709ff6046e3be

                                        SHA1

                                        993c830c1d72949d5bebfb2383a8bd85e47054e7

                                        SHA256

                                        740dff607c3bef6f156957540a64971a36c27324e06136b9446c6726ed1f80d0

                                        SHA512

                                        f739501dc05a177349ebf5c56dc2435dfc080b9f44a061daae99047c3c762d2cdb5eb1243f23cb189fddf94261f329b615cff55faa4e94b97002f4ae21e7347f

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

                                        Filesize

                                        10KB

                                        MD5

                                        01b766ad4b08357aaa8e3fb357d0e07a

                                        SHA1

                                        2e7bda901f4a5f8d9431af346a860c9245f85f20

                                        SHA256

                                        4ce759686c12a1fbec9938fbee1f1342100c84ebff895d69aeb84e11c7c7a6d0

                                        SHA512

                                        ba86a4530a94e94a549293cc75fe6ac6688cb1c4e05aeba3adcbcd644e1a79c854de8f69b98c21308922a20f2cd71f502f43b28d6784d5dfe69ae7f22e747002

                                      • C:\Users\Admin\Downloads\Unconfirmed 499271.crdownload

                                        Filesize

                                        229KB

                                        MD5

                                        be642dce998502e00d3a1382cd0378ee

                                        SHA1

                                        73506fe1024712c5e1a6efddcced9807275d08c7

                                        SHA256

                                        639f5fe7e8ebe94667a15d60a4e55c71449ab32bae84abf4595318a22e0c9888

                                        SHA512

                                        f921b05d929969c65f0cfcdeae13501e9bf86f969661cdca08d6c2fc06d521f6006d9c0bfab93a1c001134469f7776651332d134b4c3d019bb7a50284482ab82

                                      • memory/212-102-0x000002C057780000-0x000002C0577C0000-memory.dmp

                                        Filesize

                                        256KB