Resubmissions

26-05-2024 18:59

240526-xm6wcahb89 9

26-05-2024 18:55

240526-xk64bsha88 7

Analysis

  • max time kernel
    137s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 18:55

General

  • Target

    https://github.com/quivings/Solara/raw/main/Files/SolaraB.zip

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 7 IoCs
  • Themida packer 3 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 9 IoCs
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://github.com/quivings/Solara/raw/main/Files/SolaraB.zip
    1⤵
      PID:4956
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=17 --mojo-platform-channel-handle=3620 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:1
      1⤵
        PID:4764
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=18 --mojo-platform-channel-handle=3560 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:1
        1⤵
          PID:2448
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4516 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
          1⤵
            PID:4048
          • 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 --lang=en-US --service-sandbox-type=collections --no-appcompat-clear --mojo-platform-channel-handle=5624 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
            1⤵
              PID:3372
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=21 --mojo-platform-channel-handle=5972 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:1
              1⤵
                PID:3320
              • 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.FileUtilService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=6224 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
                1⤵
                  PID:3960
                • 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 --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=5680 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
                  1⤵
                    PID:832
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=24 --mojo-platform-channel-handle=5516 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:1
                    1⤵
                      PID:3532
                    • C:\Windows\System32\rundll32.exe
                      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                      1⤵
                        PID:1932
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=5904 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
                        1⤵
                          PID:4524
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --no-appcompat-clear --mojo-platform-channel-handle=6792 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
                          1⤵
                            PID:1432
                          • C:\Windows\system32\AUDIODG.EXE
                            C:\Windows\system32\AUDIODG.EXE 0x4bc 0x4ec
                            1⤵
                              PID:4276
                            • C:\Users\Admin\AppData\Local\Temp\Temp1_SolaraB.zip\SolaraB\Solara\SolaraBootstrapper.exe
                              "C:\Users\Admin\AppData\Local\Temp\Temp1_SolaraB.zip\SolaraB\Solara\SolaraBootstrapper.exe"
                              1⤵
                              • Suspicious behavior: EnumeratesProcesses
                              • Suspicious use of AdjustPrivilegeToken
                              • Suspicious use of WriteProcessMemory
                              PID:5024
                              • C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe
                                "C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe"
                                2⤵
                                • Executes dropped EXE
                                PID:3252
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --message-loop-type-ui --no-appcompat-clear --mojo-platform-channel-handle=6472 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
                              1⤵
                                PID:4044
                              • C:\Users\Admin\Downloads\SolaraB\SolaraB\Solara\SolaraBootstrapper.exe
                                "C:\Users\Admin\Downloads\SolaraB\SolaraB\Solara\SolaraBootstrapper.exe"
                                1⤵
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of AdjustPrivilegeToken
                                • Suspicious use of WriteProcessMemory
                                PID:1748
                                • C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe
                                  "C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe"
                                  2⤵
                                  • Executes dropped EXE
                                  • Loads dropped DLL
                                  PID:3696
                              • C:\Users\Admin\Downloads\SolaraB\SolaraB\Solara\SolaraBootstrapper.exe
                                "C:\Users\Admin\Downloads\SolaraB\SolaraB\Solara\SolaraBootstrapper.exe"
                                1⤵
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of AdjustPrivilegeToken
                                • Suspicious use of WriteProcessMemory
                                PID:2680
                                • C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe
                                  "C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe"
                                  2⤵
                                  • Executes dropped EXE
                                  • Loads dropped DLL
                                  PID:3272
                              • C:\Users\Admin\Downloads\SolaraB\SolaraB\Solara\SolaraBootstrapper.exe
                                "C:\Users\Admin\Downloads\SolaraB\SolaraB\Solara\SolaraBootstrapper.exe"
                                1⤵
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of AdjustPrivilegeToken
                                • Suspicious use of WriteProcessMemory
                                PID:2144
                                • C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe
                                  "C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe"
                                  2⤵
                                  • Executes dropped EXE
                                  • Loads dropped DLL
                                  • Checks whether UAC is enabled
                                  PID:3444
                              • C:\Users\Admin\Downloads\SolaraB\SolaraB\Solara\SolaraBootstrapper.exe
                                "C:\Users\Admin\Downloads\SolaraB\SolaraB\Solara\SolaraBootstrapper.exe"
                                1⤵
                                • Suspicious behavior: EnumeratesProcesses
                                • Suspicious use of AdjustPrivilegeToken
                                PID:4168

                              Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SolaraBootstrapper.exe.log

                                Filesize

                                1KB

                                MD5

                                d76ce66bbfab518b30bcb3a830f64c43

                                SHA1

                                1b9b1bffa29afff9168964ea3ffdc7fbca1edd1d

                                SHA256

                                8b07738c3c9471baeb55c105c2b8a89af24192952930fe0335d939ec95d6db3e

                                SHA512

                                7edcc8e20a4fcce906ae2958594a7813b574cde139a37f4da1ee94fc2c81b9d32df63b9f73c1446bc4fb2cefea9069e6e3ff536305145844fac22214e9a0453c

                              • C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Microsoft.Web.WebView2.Core.dll

                                Filesize

                                488KB

                                MD5

                                851fee9a41856b588847cf8272645f58

                                SHA1

                                ee185a1ff257c86eb19d30a191bf0695d5ac72a1

                                SHA256

                                5e7faee6b8230ca3b97ce9542b914db3abbbd1cb14fd95a39497aaad4c1094ca

                                SHA512

                                cf5c70984cf33e12cf57116da1f282a5bd6433c570831c185253d13463b0b9a0b9387d4d1bf4dddab3292a5d9ba96d66b6812e9d7ebc5eb35cb96eea2741348f

                              • C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Microsoft.Web.WebView2.Wpf.dll

                                Filesize

                                43KB

                                MD5

                                34ec990ed346ec6a4f14841b12280c20

                                SHA1

                                6587164274a1ae7f47bdb9d71d066b83241576f0

                                SHA256

                                1e987b22cd011e4396a0805c73539586b67df172df75e3dded16a77d31850409

                                SHA512

                                b565015ca4b11b79ecbc8127f1fd40c986948050f1caefdd371d34ed2136af0aabf100863dc6fd16d67e3751d44ee13835ea9bf981ac0238165749c4987d1ae0

                              • C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Monaco\fileaccess\node_modules\get-intrinsic\.nycrc

                                Filesize

                                139B

                                MD5

                                d0104f79f0b4f03bbcd3b287fa04cf8c

                                SHA1

                                54f9d7adf8943cb07f821435bb269eb4ba40ccc2

                                SHA256

                                997785c50b0773e5e18bf15550fbf57823c634fefe623cd37b3c83696402ad0a

                                SHA512

                                daf9b5445cfc02397f398adfa0258f2489b70699dfec6ca7e5b85afe5671fdcabe59edee332f718f5e5778feb1e301778dffe93bb28c1c0914f669659bad39c6

                              • C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Monaco\fileaccess\node_modules\has-proto\.eslintrc

                                Filesize

                                43B

                                MD5

                                c28b0fe9be6e306cc2ad30fe00e3db10

                                SHA1

                                af79c81bd61c9a937fca18425dd84cdf8317c8b9

                                SHA256

                                0694050195fc694c5846b0a2a66b437ac775da988f0a779c55fb892597f7f641

                                SHA512

                                e3eca17804522ffa4f41e836e76e397a310a20e8261a38115b67e8b644444153039d04198fb470f45be2997d2c7a72b15bd4771a02c741b3cbc072ea6ef432e9

                              • C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Monaco\fileaccess\node_modules\hasown\.nycrc

                                Filesize

                                216B

                                MD5

                                c2ab942102236f987048d0d84d73d960

                                SHA1

                                95462172699187ac02eaec6074024b26e6d71cff

                                SHA256

                                948366fea3b423a46366326d0bb2e54b08abd1cf0b243678ba6625740c40da5a

                                SHA512

                                e36b20c16ceeb090750f3865efc8d7fd983ae4e8b41c30cc3865d2fd4925bf5902627e1f1ed46c0ff2453f076ef9de34be899ef57754b29cd158440071318479

                              • C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Monaco\fileaccess\node_modules\vary\LICENSE

                                Filesize

                                1KB

                                MD5

                                13babc4f212ce635d68da544339c962b

                                SHA1

                                4881ad2ec8eb2470a7049421047c6d076f48f1de

                                SHA256

                                bd47ce7b88c7759630d1e2b9fcfa170a0f1fde522be09e13fb1581a79d090400

                                SHA512

                                40e30174433408e0e2ed46d24373b12def47f545d9183b7bce28d4ddd8c8bb528075c7f20e118f37661db9f1bba358999d81a14425eb3e0a4a20865dfcb53182

                              • C:\Users\Admin\AppData\Local\Temp\Solara.Dir\WebView2Loader.dll

                                Filesize

                                133KB

                                MD5

                                a0bd0d1a66e7c7f1d97aedecdafb933f

                                SHA1

                                dd109ac34beb8289030e4ec0a026297b793f64a3

                                SHA256

                                79d7e45f8631e8d2541d01bfb5a49a3a090be72b3d465389a2d684680fee2e36

                                SHA512

                                2a50ae5c7234a44b29f82ebc2e3cfed37bf69294eb00b2dc8905c61259975b2f3a059c67aeab862f002752454d195f7191d9b82b056f6ef22d6e1b0bb3673d50

                              • C:\Users\Admin\AppData\Local\Temp\Solara.Dir\Wpf.Ui.dll

                                Filesize

                                5.2MB

                                MD5

                                aead90ab96e2853f59be27c4ec1e4853

                                SHA1

                                43cdedde26488d3209e17efff9a51e1f944eb35f

                                SHA256

                                46cfbe804b29c500ebc0b39372e64c4c8b4f7a8e9b220b5f26a9adf42fcb2aed

                                SHA512

                                f5044f2ee63906287460b9adabfcf3c93c60b51c86549e33474c4d7f81c4f86cd03cd611df94de31804c53006977874b8deb67c4bf9ea1c2b70c459b3a44b38d

                              • C:\Users\Admin\AppData\Local\Temp\Solara.Dir\bin\path.txt

                                Filesize

                                48B

                                MD5

                                be2a7d7f566380c227aee6c9352ba882

                                SHA1

                                b8b1236b1ce17f295b2780622cad96f4a1694b46

                                SHA256

                                fa95da2b65d081614dc31c4ec93f5443a42fca6f0fec3552d341b7588cd0a0e6

                                SHA512

                                771cacef95bf3f9564fa59f72654e269b280b08ed388910c60d911a5a265c3ccdadb75060e502981301c38041eb25d7097731901aa431822f47208d10a73c67b

                              • C:\Users\Admin\AppData\Local\Temp\Solara.Dir\bin\version.txt

                                Filesize

                                4B

                                MD5

                                24c91441d2d4cd90dd9447828346d8d6

                                SHA1

                                bcb88028ae9ff035ad13092f28e7a766978f9e8d

                                SHA256

                                051bd07f4b9a168b811b5f7989debcedff940292cf96d59754b79c72fe98a9e0

                                SHA512

                                b7e017a860d2ae40ef3e707d7162373b3cc2b09a96ca5db3c850d449d16c4da8c6150802d054972d86729950a3a47851214830d406aa7bf90b604c2cc684314e

                              • C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.dll

                                Filesize

                                5.5MB

                                MD5

                                0a61dd4504bf9ac688cd8350a50fa4be

                                SHA1

                                5822f518031d0f64b876ffb318e586a541a606f8

                                SHA256

                                5c72240283da6a1e15ba787bb0c6f238e7d603b391a24f1774c61b51137dd3f7

                                SHA512

                                6a49ba3c244d48a64edf8b3d93f2f32bf30a270db9a6ad863e452ca6fb9b22537d316a15e766b50afeb4a99343d93989933924d06e1ee0422b2af1acff49dbb0

                              • C:\Users\Admin\AppData\Local\Temp\Solara.Dir\cd57e4c171d6e8f5ea8b8f824a6a7316.exe

                                Filesize

                                85KB

                                MD5

                                f8f4522d11178a26e97e2046f249dfa7

                                SHA1

                                8b591d9a37716e235260fb6b3f601e4ccbebf15d

                                SHA256

                                3c372a8919c28dc76414b2f30da423c3e1018b1a8444527949ce20cc3fc93ed0

                                SHA512

                                52ea881cad501cf1d5e8ac47355e862ac1bd39cb6e1ff3d362d392b6f2d676e74878832505d17a552aaa3bc8f3977da11fa3f9903722eedd23716fb46ddb7492

                              • C:\Users\Admin\AppData\Local\Temp\Solara.Dir\libcurl.dll

                                Filesize

                                522KB

                                MD5

                                e31f5136d91bad0fcbce053aac798a30

                                SHA1

                                ee785d2546aec4803bcae08cdebfd5d168c42337

                                SHA256

                                ee94e2201870536522047e6d7fe7b903a63cd2e13e20c8fffc86d0e95361e671

                                SHA512

                                a1543eb1d10d25efb44f9eaa0673c82bfac5173055d04c0f3be4792984635a7c774df57a8e289f840627754a4e595b855d299070d469e0f1e637c3f35274abe6

                              • C:\Users\Admin\AppData\Local\Temp\Solara.Dir\vcruntime140.dll

                                Filesize

                                99KB

                                MD5

                                7a2b8cfcd543f6e4ebca43162b67d610

                                SHA1

                                c1c45a326249bf0ccd2be2fbd412f1a62fb67024

                                SHA256

                                7d7ca28235fba5603a7f40514a552ac7efaa67a5d5792bb06273916aa8565c5f

                                SHA512

                                e38304fb9c5af855c1134f542adf72cde159fab64385533eafa5bb6e374f19b5a29c0cb5516fc5da5c0b5ac47c2f6420792e0ac8ddff11e749832a7b7f3eb5c8

                              • C:\Users\Admin\AppData\Local\Temp\Solara.Dir\zlib1.dll

                                Filesize

                                113KB

                                MD5

                                75365924730b0b2c1a6ee9028ef07685

                                SHA1

                                a10687c37deb2ce5422140b541a64ac15534250f

                                SHA256

                                945e7f5d09938b7769a4e68f4ef01406e5af9f40db952cba05ddb3431dd1911b

                                SHA512

                                c1e31c18903e657203ae847c9af601b1eb38efa95cb5fa7c1b75f84a2cba9023d08f1315c9bb2d59b53256dfdb3bac89930252138475491b21749471adc129a1

                              • memory/3252-1481-0x00000148B0750000-0x00000148B07CE000-memory.dmp

                                Filesize

                                504KB

                              • memory/3252-1478-0x00007FFA34373000-0x00007FFA34375000-memory.dmp

                                Filesize

                                8KB

                              • memory/3252-1479-0x00000148B0690000-0x00000148B074A000-memory.dmp

                                Filesize

                                744KB

                              • memory/3252-1477-0x00000148B0A20000-0x00000148B0F5C000-memory.dmp

                                Filesize

                                5.2MB

                              • memory/3252-1483-0x00000148962A0000-0x00000148962AE000-memory.dmp

                                Filesize

                                56KB

                              • memory/3252-1474-0x0000014895EB0000-0x0000014895ECA000-memory.dmp

                                Filesize

                                104KB

                              • memory/3252-1473-0x00007FFA34373000-0x00007FFA34375000-memory.dmp

                                Filesize

                                8KB

                              • memory/3444-1507-0x0000000180000000-0x0000000180CAE000-memory.dmp

                                Filesize

                                12.7MB

                              • memory/3444-1509-0x00007FFA46500000-0x00007FFA46524000-memory.dmp

                                Filesize

                                144KB

                              • memory/3444-1508-0x0000000180000000-0x0000000180CAE000-memory.dmp

                                Filesize

                                12.7MB

                              • memory/5024-5-0x0000000006080000-0x0000000006092000-memory.dmp

                                Filesize

                                72KB

                              • memory/5024-1-0x0000000000BC0000-0x0000000000BCA000-memory.dmp

                                Filesize

                                40KB

                              • memory/5024-2-0x0000000005590000-0x000000000559A000-memory.dmp

                                Filesize

                                40KB

                              • memory/5024-0-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

                                Filesize

                                4KB

                              • memory/5024-3-0x0000000074D20000-0x00000000754D0000-memory.dmp

                                Filesize

                                7.7MB

                              • memory/5024-1460-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

                                Filesize

                                4KB

                              • memory/5024-1461-0x0000000074D20000-0x00000000754D0000-memory.dmp

                                Filesize

                                7.7MB

                              • memory/5024-1475-0x0000000074D20000-0x00000000754D0000-memory.dmp

                                Filesize

                                7.7MB