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Analysis

  • max time kernel
    40s
  • max time network
    36s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/05/2024, 23:04

General

  • Target

    https://cdn.discordapp.com/attachments/1234488074650517647/1239037173655797860/Solara_Updater.exe?ex=6646140a&is=6644c28a&hm=41d21912fb8efa682e175c4c6259ddf7d2a561c045b9255ba76f6eebcdfa1d21&

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 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" --single-argument https://cdn.discordapp.com/attachments/1234488074650517647/1239037173655797860/Solara_Updater.exe?ex=6646140a&is=6644c28a&hm=41d21912fb8efa682e175c4c6259ddf7d2a561c045b9255ba76f6eebcdfa1d21&
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:980
    • 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,0x100,0x104,0xc4,0x108,0x7ffe1ff746f8,0x7ffe1ff74708,0x7ffe1ff74718
      2⤵
        PID:2396
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2064,741981561538237864,11334705743870571448,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2124 /prefetch:2
        2⤵
          PID:4628
        • 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=2064,741981561538237864,11334705743870571448,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2312 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3492
        • 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=2064,741981561538237864,11334705743870571448,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2624 /prefetch:8
          2⤵
            PID:1552
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,741981561538237864,11334705743870571448,131072 --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=3348 /prefetch:1
            2⤵
              PID:3384
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,741981561538237864,11334705743870571448,131072 --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=3484 /prefetch:1
              2⤵
                PID:4368
              • 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=2064,741981561538237864,11334705743870571448,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5216 /prefetch:8
                2⤵
                  PID:1160
                • 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=2064,741981561538237864,11334705743870571448,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5216 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:4044
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,741981561538237864,11334705743870571448,131072 --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=5268 /prefetch:1
                  2⤵
                    PID:4476
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,741981561538237864,11334705743870571448,131072 --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=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5284 /prefetch:1
                    2⤵
                      PID:320
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,741981561538237864,11334705743870571448,131072 --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=5648 /prefetch:1
                      2⤵
                        PID:4656
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,741981561538237864,11334705743870571448,131072 --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=5664 /prefetch:1
                        2⤵
                          PID:1608
                        • 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=2064,741981561538237864,11334705743870571448,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=4000 /prefetch:8
                          2⤵
                            PID:4724
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,741981561538237864,11334705743870571448,131072 --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=5328 /prefetch:1
                            2⤵
                              PID:1540
                            • 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=2064,741981561538237864,11334705743870571448,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=6180 /prefetch:8
                              2⤵
                                PID:4228
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2064,741981561538237864,11334705743870571448,131072 --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=5504 /prefetch:1
                                2⤵
                                  PID:5348
                                • 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=2064,741981561538237864,11334705743870571448,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6416 /prefetch:8
                                  2⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:5516
                                • C:\Users\Admin\Downloads\Solara_Updater.exe
                                  "C:\Users\Admin\Downloads\Solara_Updater.exe"
                                  2⤵
                                  • Executes dropped EXE
                                  • Suspicious behavior: EnumeratesProcesses
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:5628
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:1608
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:3376
                                  • C:\Windows\System32\rundll32.exe
                                    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                    1⤵
                                      PID:5296

                                    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

                                      537815e7cc5c694912ac0308147852e4

                                      SHA1

                                      2ccdd9d9dc637db5462fe8119c0df261146c363c

                                      SHA256

                                      b4b69d099507d88abdeff4835e06cc6711e1c47464c963d013cef0a278e52d4f

                                      SHA512

                                      63969a69af057235dbdecddc483ef5ce0058673179a3580c5aa12938c9501513cdb72dd703a06fa7d4fc08d074f17528283338c795334398497c771ecbd1350a

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

                                      Filesize

                                      152B

                                      MD5

                                      8b167567021ccb1a9fdf073fa9112ef0

                                      SHA1

                                      3baf293fbfaa7c1e7cdacb5f2975737f4ef69898

                                      SHA256

                                      26764cedf35f118b55f30b3a36e0693f9f38290a5b2b6b8b83a00e990ae18513

                                      SHA512

                                      726098001ef1acf1dd154a658752fa27dea32bca8fbb66395c142cb666102e71632adbad1b7e2f717071cd3e3af3867471932a71707f2ae97b989f4be468ab54

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

                                      Filesize

                                      5KB

                                      MD5

                                      1547c37ed71cc612bfd54474edc0a03b

                                      SHA1

                                      358562364aca778b47fdca8f4312c9b4ddca3ce5

                                      SHA256

                                      00917c0d63f836d5b4fac852ff62bec69be5b517fa96ad1eaeb8db65004a1334

                                      SHA512

                                      539f3846ad2e1b04dcbc717a40af29bc3cdf5a6547b2da3503e35eef1154730fb43f6bf0846b26f19b8372adf0e6d27b7bfbf1442a2ba2c73b370a71ae35dc59

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

                                      Filesize

                                      6KB

                                      MD5

                                      18e7fb714247f65628f39f256940af57

                                      SHA1

                                      3e52e0ddcb1888362e01064079d92358c40113c3

                                      SHA256

                                      b4a30dcf0e647a2b28d980a3f886ba05587e09b39ba4e317701bd2b1eba6ba28

                                      SHA512

                                      8e3ca94c477e0490de582e69564640bd13787fda7f1b5593d71be41af9c3ffda6c03bac80b09882da10bfa359a9dcd79206e0221d91e22a9d81f95daa8d0185a

                                    • 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

                                      64890ec80bc947d151bdb5693a4be7ab

                                      SHA1

                                      a7f330ef7911658b0aaaf0e7bb36efb27b963952

                                      SHA256

                                      08cbfe8c5d9c533f5f81a8d196de15e307d774c3dbbb615239bcaea40ac99b58

                                      SHA512

                                      c8b37c96a92424ca2a2fc2caa6c875d1c2358becbaffb4e9d12f1f535d291bc1f818156cfed1732a8f35c7db117bf923a02cb587a3808479de9dcc068c14f731

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

                                      Filesize

                                      11KB

                                      MD5

                                      d1d09a94d0c6787d6ffbd043022c44f8

                                      SHA1

                                      4a4687d2e34916e25d644e31cc8c3072d848d68a

                                      SHA256

                                      beed76f88b6343a57b898bf3c9f5c6043a5afc7e76b084690856996b257f6d44

                                      SHA512

                                      6a02d5f72d069e37ed9a5ec7bc9c45b80d18ac3a03a096f03b59ad164c73ab390b2a2213c4808ab33c195eef876fabce3cb8c80991de48b8bd4abaf90c001403

                                    • C:\Users\Admin\Downloads\Unconfirmed 468352.crdownload

                                      Filesize

                                      240KB

                                      MD5

                                      b89051e8cf348e69c0943b540af3b99c

                                      SHA1

                                      50200e338cb5df75077c6144884bf0ff6bf7cc7a

                                      SHA256

                                      2e0a0e7e5d510f4274cd22ca2ed10f4bcca932a8cb2a756a47c13fb36a5fb58d

                                      SHA512

                                      ab1e75c6ccf80fdd29bb35ec802032a46cf642e444ba392a2224cc025d05d78148f60bf81d4405b25301ce86b83e03d9249378864afa575fa6a61f05dea21408

                                    • memory/5628-97-0x0000000000C20000-0x0000000000C62000-memory.dmp

                                      Filesize

                                      264KB

                                    • memory/5628-99-0x0000000006A10000-0x0000000006A1A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/5628-100-0x0000000006A40000-0x0000000006A52000-memory.dmp

                                      Filesize

                                      72KB