Analysis

  • max time kernel
    39s
  • max time network
    41s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-01-2024 16:31

General

  • Target

    https://mega.nz/file/YDdDRJKC#a1X2Y2UFNk-3_VFRDfO3bS0uziR5dlo8CpVvVRKKFNA

Score
10/10

Malware Config

Signatures

  • Detect Umbral payload 2 IoCs
  • Umbral

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

  • Executes dropped EXE 2 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 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" --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,0x100,0x104,0xd8,0x108,0x7ffecde346f8,0x7ffecde34708,0x7ffecde34718
    1⤵
      PID:528
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://mega.nz/file/YDdDRJKC#a1X2Y2UFNk-3_VFRDfO3bS0uziR5dlo8CpVvVRKKFNA
      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:3796
      • 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=2088,873929909373200089,2044813639092727540,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2500 /prefetch:3
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:732
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2088,873929909373200089,2044813639092727540,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2096 /prefetch:2
        2⤵
          PID:4844
        • 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=2088,873929909373200089,2044813639092727540,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2920 /prefetch:8
          2⤵
            PID:1944
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,873929909373200089,2044813639092727540,131072 --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=3316 /prefetch:1
            2⤵
              PID:4172
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,873929909373200089,2044813639092727540,131072 --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=3324 /prefetch:1
              2⤵
                PID:4400
              • 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=2088,873929909373200089,2044813639092727540,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5392 /prefetch:8
                2⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:4484
              • 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=2088,873929909373200089,2044813639092727540,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5392 /prefetch:8
                2⤵
                  PID:2692
                • 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 --field-trial-handle=2088,873929909373200089,2044813639092727540,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=5504 /prefetch:8
                  2⤵
                    PID:3584
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,873929909373200089,2044813639092727540,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5720 /prefetch:1
                    2⤵
                      PID:4448
                    • 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=2088,873929909373200089,2044813639092727540,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5708 /prefetch:8
                      2⤵
                        PID:2056
                      • 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=2088,873929909373200089,2044813639092727540,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=6252 /prefetch:8
                        2⤵
                          PID:2656
                        • 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=2088,873929909373200089,2044813639092727540,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6340 /prefetch:8
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:2292
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:4492
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:5072
                          • C:\Windows\system32\AUDIODG.EXE
                            C:\Windows\system32\AUDIODG.EXE 0x418 0x4f8
                            1⤵
                            • Suspicious use of AdjustPrivilegeToken
                            PID:2308
                          • C:\Windows\System32\rundll32.exe
                            C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                            1⤵
                              PID:3132
                            • C:\Users\Admin\Downloads\Celestial.exe
                              "C:\Users\Admin\Downloads\Celestial.exe"
                              1⤵
                              • Executes dropped EXE
                              • Suspicious use of AdjustPrivilegeToken
                              PID:2592
                              • C:\Windows\System32\Wbem\wmic.exe
                                "wmic.exe" csproduct get uuid
                                2⤵
                                • Suspicious use of AdjustPrivilegeToken
                                PID:464
                            • C:\Users\Admin\Downloads\Celestial.exe
                              "C:\Users\Admin\Downloads\Celestial.exe"
                              1⤵
                              • Executes dropped EXE
                              PID:3288
                              • C:\Windows\System32\Wbem\wmic.exe
                                "wmic.exe" csproduct get uuid
                                2⤵
                                  PID:888

                              Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

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                              Downloads

                              • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Celestial.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

                                f246cc2c0e84109806d24fcf52bd0672

                                SHA1

                                8725d2b2477efe4f66c60e0f2028bf79d8b88e4e

                                SHA256

                                0c1014ae07c2077dd55d7386cc9cf9e0551be1d67fe05a6006957427ae09fec5

                                SHA512

                                dcf31357eb39a05213550a879941e2c039ec0ba41e4867d5d630807420f070289552d56d9f16c6d11edcdb0f9448bf51e7d2e460e88aa9c55a5bfe5d8d331640

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

                                Filesize

                                72B

                                MD5

                                f3a47402ddebec1127b7e50406675297

                                SHA1

                                6250d18c4d36c2ffbd8ccc43a0d08a5c85a47f77

                                SHA256

                                f13322ff5f0438f792734c7cf99303eeb9467d903ac6f60a119ab1fcbef39796

                                SHA512

                                7dcfbdffa1125f5d9c7838129fb2cd7e3bed23edc44bb65fbe2a34aca4379fbe621a10d251b90ad41f8c9d77c64613a38285a21e5e2efb5dbf5e931883d1923e

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\File System\000\t\Paths\CURRENT

                                Filesize

                                16B

                                MD5

                                46295cac801e5d4857d09837238a6394

                                SHA1

                                44e0fa1b517dbf802b18faf0785eeea6ac51594b

                                SHA256

                                0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                                SHA512

                                8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

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

                                Filesize

                                111B

                                MD5

                                285252a2f6327d41eab203dc2f402c67

                                SHA1

                                acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6

                                SHA256

                                5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026

                                SHA512

                                11ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d

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

                                Filesize

                                188B

                                MD5

                                008114e1a1a614b35e8a7515da0f3783

                                SHA1

                                3c390d38126c7328a8d7e4a72d5848ac9f96549b

                                SHA256

                                7301b76033c2970e61bab5eaddaff5aa652c39db5c0ea5632814f989716a1d18

                                SHA512

                                a202fc891eace003c346bad7e5d2c73dadf9591d5ce950395ff4b63cc2866b17e02bd3f0ad92749df033a936685851455bcdbfad30f26e765c3c89d3309cb82b

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

                                Filesize

                                5KB

                                MD5

                                62dd09cee5045ac7304cd2d571a5a2db

                                SHA1

                                0d01d6ce0e639dfcdeced3ba27d8901cb683b0c7

                                SHA256

                                30919e51a3d8f9b581cdc1c283c313a6fbbc24cad5eca222d8727e34350d60a8

                                SHA512

                                b51f5b262abcec1f22d92de8ca2cf0ac315385effe98c5b974684b2534b159ed36815544a2e0d62bd2aa6f08bd2cbd5b6586240aa7557690d15e037eed331177

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

                                Filesize

                                5KB

                                MD5

                                4b08083cde918f22dd9736b19985085a

                                SHA1

                                ffd42e75ed196bf1b48237918cb597da3bcf896e

                                SHA256

                                49cea3984481d7a360eaee24fd953cc76429c7e6adb24a7b79d7615bcda585a4

                                SHA512

                                530107b85e6207d0beda9779eac98846ae5303c059a87e97d2cf7a1919cccbce772e910955710c154f98dd44925f155f473e26125cb3b831231f9833c6ee6e6b

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

                                Filesize

                                6KB

                                MD5

                                ad69e79b12b0023b145e9f6b5b0bbcb5

                                SHA1

                                1f9e60ccf99e43bc7eabf2e995f95d94cf2e95fe

                                SHA256

                                5dac83e70d99943f489eeb8abcad1d0bf407b23b961b37f282968b61527503d8

                                SHA512

                                324c5165643e2667f336cd4a71f8b41f2a246464b072d8be5b4aab10cd9be0c7d4399d4b2eecbc053d870faae178c0dea92f8cbb36d9836206df086286171dc1

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

                                Filesize

                                24KB

                                MD5

                                5e62a6848f50c5ca5f19380c1ea38156

                                SHA1

                                1f5e7db8c292a93ae4a94a912dd93fe899f1ea6a

                                SHA256

                                23b683118f90c909ce86f9be9123ff6ac1355adb098ffbb09b9e5ec18fc2b488

                                SHA512

                                ce00590890ed908c18c3ec56df5f79c6c800e3bea2ad4629b9788b19bd1d9e94215fb991275e6ec5a58ac31b193e1c0b9cbaa52ff534319a5e76ec4fc8d3ba54

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Service Worker\Database\MANIFEST-000001

                                Filesize

                                41B

                                MD5

                                5af87dfd673ba2115e2fcf5cfdb727ab

                                SHA1

                                d5b5bbf396dc291274584ef71f444f420b6056f1

                                SHA256

                                f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4

                                SHA512

                                de34583a7dbafe4dd0dc0601e8f6906b9bc6a00c56c9323561204f77abbc0dc9007c480ffe4092ff2f194d54616caf50aecbd4a1e9583cae0c76ad6dd7c2375b

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index

                                Filesize

                                72B

                                MD5

                                9d3835741b327cad5e2ec035cb0d70c2

                                SHA1

                                5e905db3570890788db3c408069cdc59014887cc

                                SHA256

                                258cb4489f171a09ac4fbbf7c7f52e20c2e776b76b6f41217415a120fee0a682

                                SHA512

                                963e3df83d3d4b55898001224db8e93264209d0e3acf1fb69933871ec3a33e95721fae2eb40eac78515c01eae99c0d63203d30644b4588c4ebfdcf0a00e4d15b

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index~RFe578f5f.TMP

                                Filesize

                                48B

                                MD5

                                b38dbc93779e98cffd5d8515e30aeef1

                                SHA1

                                108eafe563906a898f722515fd7ae1cf2c661ceb

                                SHA256

                                e0f48550131a007b05b2b84f9306db17a75e886c04dc9784a08df517659d7d49

                                SHA512

                                1cfdaf5d083296258c670f28857058c1e07e5a9cabb26704a157a996d6839a9617830b5b0b72dcd1c6ea95b74a8cedf04d001ff67cbbb3a4e20fa16af3091da3

                              • 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

                                92ad44d3dd4907bd8bf6e32ab72290ec

                                SHA1

                                58ad110af58a5eab0c0fc771b2eb0fc21f80d52b

                                SHA256

                                8b5cdd3eef501f59f5b569361b4b78094632962065d6d99d8b522cb8dec446f3

                                SHA512

                                bcb87d903eafcad12eb6130f8030361d6f634b57a8c23196b7f1353b4d301ff5fa0267fe95bd176bf0faa130a1bff3c3e97bfb49c82d92e411709ace88485435

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

                                Filesize

                                10KB

                                MD5

                                0663a24efc90863f5b00d8355b48b960

                                SHA1

                                036f0d0f3b37323e0b10b50403d6eac396c8b123

                                SHA256

                                91d65ced992468009a7195ffa7f6b3df0bbcefce82fd4bd72ef20098fc021f8a

                                SHA512

                                b43398e89d0c2f4b91010b9fd8830f0cc38f01bf74e01a84c44a42de9d971bc3acbddb16c4a59918a49c998ef60906c48fb9d458abd88a8941034c38e01b78f3

                              • C:\Users\Admin\Downloads\Celestial.exe

                                Filesize

                                264KB

                                MD5

                                d448a2df6f29c91c23b0d482fdb6ca49

                                SHA1

                                e533756132da1916cb3b6217edc066e72497bca3

                                SHA256

                                6ef6ef99e387801bbcb19f3295f0fa626fd2a0515a8f1947bce5d1f43fa6f968

                                SHA512

                                b1154c2cefb95e3e43738ac7a589c05482f126d7c325575a4540a100fac2691bd6bbeeb6105b8205132ae48fdbc68da4087a8d728e2529451ea342ae791ce6cf

                              • memory/2592-319-0x0000016C42130000-0x0000016C42178000-memory.dmp

                                Filesize

                                288KB

                              • memory/2592-321-0x0000016C5C680000-0x0000016C5C690000-memory.dmp

                                Filesize

                                64KB

                              • memory/2592-320-0x00007FFEBE460000-0x00007FFEBEF21000-memory.dmp

                                Filesize

                                10.8MB

                              • memory/2592-323-0x00007FFEBE460000-0x00007FFEBEF21000-memory.dmp

                                Filesize

                                10.8MB

                              • memory/3288-327-0x00000250E7930000-0x00000250E7940000-memory.dmp

                                Filesize

                                64KB

                              • memory/3288-326-0x00007FFEBE460000-0x00007FFEBEF21000-memory.dmp

                                Filesize

                                10.8MB

                              • memory/3288-328-0x00007FFEBE460000-0x00007FFEBEF21000-memory.dmp

                                Filesize

                                10.8MB