Resubmissions

25-10-2024 13:58

241025-q97yla1hjj 10

25-10-2024 13:55

241025-q8fsqa1gqm 3

Analysis

  • max time kernel
    26s
  • max time network
    23s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-10-2024 13:58

General

  • Target

    https://gofile.io/d/dlnAjU

Malware Config

Signatures

  • Detect Umbral payload 2 IoCs
  • Umbral

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

  • Umbral family
  • Downloads MZ/PE file
  • Executes dropped EXE 4 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 35 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" --start-maximized --single-argument https://gofile.io/d/dlnAjU
    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:1004
    • 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,0x100,0x104,0xd8,0x108,0x7fffe56146f8,0x7fffe5614708,0x7fffe5614718
      2⤵
        PID:4800
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2140,13775022500899112028,17417106818071711702,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2136 /prefetch:2
        2⤵
          PID:3116
        • 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=2140,13775022500899112028,17417106818071711702,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2208 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1848
        • 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=2140,13775022500899112028,17417106818071711702,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2892 /prefetch:8
          2⤵
            PID:3848
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,13775022500899112028,17417106818071711702,131072 --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=3368 /prefetch:1
            2⤵
              PID:4988
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,13775022500899112028,17417106818071711702,131072 --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=3376 /prefetch:1
              2⤵
                PID:3556
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,13775022500899112028,17417106818071711702,131072 --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=4048 /prefetch:1
                2⤵
                  PID:2836
                • 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=2140,13775022500899112028,17417106818071711702,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5244 /prefetch:8
                  2⤵
                    PID:2268
                  • 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=2140,13775022500899112028,17417106818071711702,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5244 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:3576
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,13775022500899112028,17417106818071711702,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5288 /prefetch:1
                    2⤵
                      PID:2824
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,13775022500899112028,17417106818071711702,131072 --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=5308 /prefetch:1
                      2⤵
                        PID:2664
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,13775022500899112028,17417106818071711702,131072 --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=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5048 /prefetch:1
                        2⤵
                          PID:1560
                        • 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=2140,13775022500899112028,17417106818071711702,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5056 /prefetch:8
                          2⤵
                            PID:1428
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,13775022500899112028,17417106818071711702,131072 --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=5516 /prefetch:1
                            2⤵
                              PID:4704
                            • 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=2140,13775022500899112028,17417106818071711702,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=6036 /prefetch:8
                              2⤵
                                PID:1016
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,13775022500899112028,17417106818071711702,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5672 /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=2140,13775022500899112028,17417106818071711702,131072 --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=17 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6256 /prefetch:1
                                  2⤵
                                    PID:2824
                                  • 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=2140,13775022500899112028,17417106818071711702,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5392 /prefetch:8
                                    2⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:5220
                                  • C:\Users\Admin\Downloads\R3Dline.exe
                                    "C:\Users\Admin\Downloads\R3Dline.exe"
                                    2⤵
                                    • Executes dropped EXE
                                    • Suspicious use of AdjustPrivilegeToken
                                    PID:5380
                                    • C:\Windows\System32\Wbem\wmic.exe
                                      "wmic.exe" csproduct get uuid
                                      3⤵
                                      • Suspicious use of AdjustPrivilegeToken
                                      PID:5616
                                  • C:\Users\Admin\Downloads\R3Dline.exe
                                    "C:\Users\Admin\Downloads\R3Dline.exe"
                                    2⤵
                                    • Executes dropped EXE
                                    • Suspicious use of AdjustPrivilegeToken
                                    PID:5724
                                    • C:\Windows\System32\Wbem\wmic.exe
                                      "wmic.exe" csproduct get uuid
                                      3⤵
                                      • Suspicious use of AdjustPrivilegeToken
                                      PID:5872
                                  • C:\Users\Admin\Downloads\R3Dline.exe
                                    "C:\Users\Admin\Downloads\R3Dline.exe"
                                    2⤵
                                    • Executes dropped EXE
                                    PID:5840
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:8
                                  • C:\Windows\System32\CompPkgSrv.exe
                                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                                    1⤵
                                      PID:3912
                                    • C:\Windows\System32\rundll32.exe
                                      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                      1⤵
                                        PID:6040
                                      • C:\Users\Admin\Downloads\R3Dline.exe
                                        "C:\Users\Admin\Downloads\R3Dline.exe"
                                        1⤵
                                        • Executes dropped EXE
                                        PID:1396
                                        • C:\Windows\System32\Wbem\wmic.exe
                                          "wmic.exe" csproduct get uuid
                                          2⤵
                                            PID:5268

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\R3Dline.exe.log

                                          Filesize

                                          1KB

                                          MD5

                                          8094b248fe3231e48995c2be32aeb08c

                                          SHA1

                                          2fe06e000ebec919bf982d033c5d1219c1f916b6

                                          SHA256

                                          136c30d964f4abbb5279bdc86d0e00578333782f15f05f0d2d050730dcb7a9bc

                                          SHA512

                                          bf27a3822008796370e2c506c910a40992b9240606ea1bc19f683b2fee86b81897660ac0cf8e746ca093dae9e408949e2e9002ded75678a69f020d3b0452801f

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

                                          Filesize

                                          152B

                                          MD5

                                          85ba073d7015b6ce7da19235a275f6da

                                          SHA1

                                          a23c8c2125e45a0788bac14423ae1f3eab92cf00

                                          SHA256

                                          5ad04b8c19bf43b550ad725202f79086168ecccabe791100fba203d9aa27e617

                                          SHA512

                                          eb4fd72d7030ea1a25af2b59769b671a5760735fb95d18145f036a8d9e6f42c903b34a7e606046c740c644fab0bb9f5b7335c1869b098f121579e71f10f5a9c3

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

                                          Filesize

                                          152B

                                          MD5

                                          7de1bbdc1f9cf1a58ae1de4951ce8cb9

                                          SHA1

                                          010da169e15457c25bd80ef02d76a940c1210301

                                          SHA256

                                          6e390bbc0d03a652516705775e8e9a7b7936312a8a5bea407f9d7d9fa99d957e

                                          SHA512

                                          e4a33f2128883e71ab41e803e8b55d0ac17cbc51be3bde42bed157df24f10f34ad264f74ef3254dbe30d253aca03158fde21518c2b78aaa05dae8308b1c5f30c

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

                                          Filesize

                                          288B

                                          MD5

                                          dca151dff78a2dca0804b056d7e91a03

                                          SHA1

                                          ae6faf6f3153988bc0ab251ad0e364035ced9f62

                                          SHA256

                                          dcd552bfa4228dd2ca9ac8ba08635928d37f08a4748753abae8be6796429a285

                                          SHA512

                                          49dd4983024f8bfaa0dce3e49fadc1af35067a150654ac126f79065bff779afaf0618a167d03a7e119e8cf1e480aa8a454d297187e690607e4b59e2f219915c6

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

                                          Filesize

                                          6KB

                                          MD5

                                          3859e263c7fd80ab8a25ee71b01e7314

                                          SHA1

                                          ef4fe61d939998aebe5f59ca8b7ee5f1534f7789

                                          SHA256

                                          0f986745e7d39b0ff615371879d87fdc14f556912b5ff6cdb6a2283c35b9b09f

                                          SHA512

                                          6f00e77afa32efb20adbb4f6fb6fbb7aa0ddf2d13fde3bced36fc651e1c90080946f8a8b8f844d2b95400893e3af49a00d0f9b91c0731ae9b48915571d005f88

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

                                          Filesize

                                          5KB

                                          MD5

                                          f6e90dd481fae8ad50ce1730555f1cd6

                                          SHA1

                                          0431da3350c987611dd5ea0616b32f67b3e37e06

                                          SHA256

                                          34745284ef4bfb31c26301c9ce7582125909c504aec9e22fb7ecfbbcf3f64a2a

                                          SHA512

                                          fd28e8de6060305c1ea9c6ff0d42f73f9976b666adc55a7328ae285cab827dcd3ba11a0646d5899c8bc7ff84be229d65cb5dc393aa22aab5890b3f9021f16ea4

                                        • 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

                                          adb99340c5d53024938b5ae1842b1389

                                          SHA1

                                          f2307b61e1c5d85527d33377f0eb11800bbc787f

                                          SHA256

                                          a419f5a06f1b5c501c29567cd333fd022e7e2fe29c8192078a14a0b93c3be27f

                                          SHA512

                                          5708f54b331c1f95b9abd41c072acd8c39efc6ec22fdc2f4a95ee6cacd4e6bd26ad76ed6ebdc64d5d388a695b88ee1e1fdcc02f315849c495d2938b540c1899c

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

                                          Filesize

                                          11KB

                                          MD5

                                          3d730f678e33fcf0f483050fe9af3ecd

                                          SHA1

                                          e6fe2c9e6f1b6c1ead23a3fe9b87a7042f7f2eb0

                                          SHA256

                                          e99e2300255a0f126829241547deb0fe573ac85fe41bca8494da741092e6856b

                                          SHA512

                                          c550261a275c65f82ac1f2ba26483f15238de39ba5ddc85e571378b9741064c1b5df54b84cf097795c6282141b84df53f09130f3aa9704d4ca5d7a755806390f

                                        • C:\Users\Admin\Downloads\Unconfirmed 64305.crdownload

                                          Filesize

                                          229KB

                                          MD5

                                          f82b822b5c535cf36ab9be584766543a

                                          SHA1

                                          3488159fa2bed3613beb77c37aa485e88929f538

                                          SHA256

                                          51a46c0928069f08fe8adb976d7b32afe14dafb238d8461f20607f25adc00766

                                          SHA512

                                          4845ea9f4dbadef52e9276ff5ddcbe1c2302e9df99078ac0dc3daff6b6ef14080d0fa4a6fb5ec1da7912d788276976716529d5b9ece2e885e458be8142656772

                                        • memory/5380-105-0x000001DE32860000-0x000001DE328A0000-memory.dmp

                                          Filesize

                                          256KB