Analysis

  • max time kernel
    30s
  • max time network
    45s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240611-en
  • resource tags

    arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    25-06-2024 16:21

Errors

Reason
Machine shutdown

General

  • Target

    https://cdn.discordapp.com/attachments/1254334525543288915/1254336947875217519/solarabootstraper.exe?ex=667bc2d0&is=667a7150&hm=9e37d9feda8ac823db279851a858c2d999a629b641924f99d34c335af2ab7d6e&

Malware Config

Extracted

Family

discordrat

Attributes
  • discord_token

    MTIzOTEzMTk4MTc4NzI5OTkxMg.G2PouQ.rmLVRC29c13dyUDlcJhFL4MtNpJCMM3OTOmuyI

  • server_id

    1254334525543288912

Signatures

  • Discord RAT

    A RAT written in C# using Discord as a C2.

  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • NTFS ADS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 12 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/1254334525543288915/1254336947875217519/solarabootstraper.exe?ex=667bc2d0&is=667a7150&hm=9e37d9feda8ac823db279851a858c2d999a629b641924f99d34c335af2ab7d6e&
    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:1144
    • 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=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x10c,0x110,0x114,0xdc,0x118,0x7ffd1ab53cb8,0x7ffd1ab53cc8,0x7ffd1ab53cd8
      2⤵
        PID:1648
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1888,10717586702533705805,11613978350705603388,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1912 /prefetch:2
        2⤵
          PID:3640
        • 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=1888,10717586702533705805,11613978350705603388,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2288 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4208
        • 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=1888,10717586702533705805,11613978350705603388,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2820 /prefetch:8
          2⤵
            PID:4028
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,10717586702533705805,11613978350705603388,131072 --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=3292 /prefetch:1
            2⤵
              PID:2328
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,10717586702533705805,11613978350705603388,131072 --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=3300 /prefetch:1
              2⤵
                PID:1320
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,10717586702533705805,11613978350705603388,131072 --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=5020 /prefetch:1
                2⤵
                  PID:1280
                • 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=1888,10717586702533705805,11613978350705603388,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5484 /prefetch:8
                  2⤵
                    PID:1480
                  • C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1888,10717586702533705805,11613978350705603388,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5780 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:4756
                  • 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=1888,10717586702533705805,11613978350705603388,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5156 /prefetch:8
                    2⤵
                    • NTFS ADS
                    • Suspicious behavior: EnumeratesProcesses
                    PID:404
                  • 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.UtilWin --field-trial-handle=1888,10717586702533705805,11613978350705603388,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5892 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:2888
                  • C:\Users\Admin\Downloads\solarabootstraper.exe
                    "C:\Users\Admin\Downloads\solarabootstraper.exe"
                    2⤵
                    • Executes dropped EXE
                    PID:2960
                    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\test.exe
                      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\test.exe"
                      3⤵
                      • Executes dropped EXE
                      • Suspicious use of AdjustPrivilegeToken
                      PID:1788
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,10717586702533705805,11613978350705603388,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5924 /prefetch:1
                    2⤵
                      PID:4936
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,10717586702533705805,11613978350705603388,131072 --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=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5868 /prefetch:1
                      2⤵
                        PID:1232
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,10717586702533705805,11613978350705603388,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5008 /prefetch:1
                        2⤵
                          PID:880
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1888,10717586702533705805,11613978350705603388,131072 --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=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4592 /prefetch:1
                          2⤵
                            PID:3364
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:2644
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:3276
                            • C:\Windows\System32\rundll32.exe
                              C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                              1⤵
                                PID:1952
                              • C:\Users\Admin\Downloads\solarabootstraper.exe
                                "C:\Users\Admin\Downloads\solarabootstraper.exe"
                                1⤵
                                • Executes dropped EXE
                                PID:1828
                                • C:\Users\Admin\AppData\Local\Temp\RarSFX1\test.exe
                                  "C:\Users\Admin\AppData\Local\Temp\RarSFX1\test.exe"
                                  2⤵
                                  • Executes dropped EXE
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:4452

                              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

                                6f738fcca0370135adb459fac0d129b9

                                SHA1

                                5af8b563ee883e0b27c1c312dc42245135f7d116

                                SHA256

                                1d37a186c9be361a782dd6e45fe98b1f74215a26990af945a2b8b9aa4587ec63

                                SHA512

                                8749675cdd8f667ff7ca0a0f04d5d9cad9121fd02ed786e66bcd3c1278d8eb9ce5995d3e38669612bdc4dccae83a2d1b10312db32d5097ef843512244f6f769a

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

                                Filesize

                                152B

                                MD5

                                68de3df9998ac29e64228cf1c32c9649

                                SHA1

                                be17a7ab177bef0f03c9d7bd2f25277d86e8fcee

                                SHA256

                                96825c1e60e4a87dc5dbae78b97104e6968275fa1602c69053d0192cae143f43

                                SHA512

                                1658b0bc504a8a5c57c496477cd800a893d751f03d632ef50aff9327cd33ad0e4e4f27bcb85b20bd22bef2ca65600b7d92e2a1f18fd3d08ad6391983de77beaf

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

                                Filesize

                                5KB

                                MD5

                                710f21be8f099e8692e82c8c3ae6533a

                                SHA1

                                2758498fd106fbf4c2ef34527a298639dfbc6daa

                                SHA256

                                3054777a3706c91fb6afe89204ea6a07ed462336964310b8a4afb20520f1fa51

                                SHA512

                                9caea9b3f94b6fd229f711e50daf9de52d24b9dbeff2d9ad9af2fdd018cdf73c23711bf21b9bb549826c312a1ade1956ec0f40bce7a248dcff37e055566a2ba8

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

                                Filesize

                                5KB

                                MD5

                                5d641ace5c12878ac7eb50092b0a4290

                                SHA1

                                c00bf409ba8df2473306201bf3ca88c647f21dd4

                                SHA256

                                7b466bdd86d88f6160874c59433ed7b6e94ca244144d5f08ff3ec6ac3834a623

                                SHA512

                                857971d2dba34bdfdd1f24f93858826ddc9e8ddb1fa338d39bb31152333d585d5cd36332c86c34edc9c46c86dbd2f5c62dddbfb20dbd01d6a41a652da5188d82

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

                                Filesize

                                16B

                                MD5

                                46295cac801e5d4857d09837238a6394

                                SHA1

                                44e0fa1b517dbf802b18faf0785eeea6ac51594b

                                SHA256

                                0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                                SHA512

                                8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

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

                                Filesize

                                16B

                                MD5

                                206702161f94c5cd39fadd03f4014d98

                                SHA1

                                bd8bfc144fb5326d21bd1531523d9fb50e1b600a

                                SHA256

                                1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

                                SHA512

                                0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

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

                                Filesize

                                11KB

                                MD5

                                4164dee8c0964bfeeb69201eda029051

                                SHA1

                                83cc5c65bde47f554f1a352672fc24284407fc7d

                                SHA256

                                2394e0aaa4217786c80c35c5d8369ea7b3264db2e8f07e6124ab1ee0dee493fd

                                SHA512

                                0f87656cd660a6147ae3961020fa211cd36dbbd33672f2a36ca0d39f1f1fc7bb4f6b4f5b60b93761379b73090a0b319a0146797dd70f2e707c090b6f58c6ad3f

                              • C:\Users\Admin\AppData\Local\Temp\RarSFX0\test.exe

                                Filesize

                                78KB

                                MD5

                                cd0398fb5a04ce43be2b1183e7dfad06

                                SHA1

                                e1e9ac1f1f2533f3bfec802cae2cbeeeac65c181

                                SHA256

                                c4fb94399b109d19585a03233be7663000aae8c7c7f8661ce744c59bfa8ced08

                                SHA512

                                50bfd2614078082fd83e43e61a36b086eae0fec2399fae5655c6442a474ffb7c25cabe43b4c484c85acc4fac72c2f2613dc00e85045242dfcdd91093519699bc

                              • C:\Users\Admin\Downloads\Unconfirmed 602820.crdownload

                                Filesize

                                497KB

                                MD5

                                48258af1b1134dffa388c6f2590325c3

                                SHA1

                                e2fa6a4351d7b358e6b20e9194b63b54751458d4

                                SHA256

                                d0452f63e207ead4ba0828fba9cd46d54c08906ac3f35f1c0b27dda2d60fbc83

                                SHA512

                                1eeceefb8843f72b55e1b517039ab53cd72af3bb294fe9b06ce0a6207749506bf299cd913a4a1088ffa002069821d346ec3fc045fa701014110beec03d7d208c

                              • C:\Users\Admin\Downloads\solarabootstraper.exe:Zone.Identifier

                                Filesize

                                229B

                                MD5

                                d1a3dba820e810bf857af29be2174171

                                SHA1

                                1c14f3fb4d2f99de64385f405a768cba12bd6993

                                SHA256

                                24b83d81b6ed1f53babbae3ac4af8e18dd376a5f1a2bdb1d4859d4cd2e2e5cc8

                                SHA512

                                e39d2d0ab8d6e3caed651b4ec7ff1d9754b452ad6b325e58fe3f8a73a8c9cc686385190153f5ca647880fcfeca57eeac4fae35c8b83a5fb5f71a941c2cfc162a

                              • memory/1788-102-0x000001AC5FEE0000-0x000001AC5FEF8000-memory.dmp

                                Filesize

                                96KB

                              • memory/1788-103-0x000001AC7A5D0000-0x000001AC7A792000-memory.dmp

                                Filesize

                                1.8MB

                              • memory/1788-104-0x000001AC7AE20000-0x000001AC7B348000-memory.dmp

                                Filesize

                                5.2MB

                              • memory/1788-132-0x00007FFD260F0000-0x00007FFD26132000-memory.dmp

                                Filesize

                                264KB

                              • memory/1788-135-0x00007FFD26650000-0x00007FFD26687000-memory.dmp

                                Filesize

                                220KB

                              • memory/1788-136-0x00007FFD26690000-0x00007FFD266B8000-memory.dmp

                                Filesize

                                160KB

                              • memory/1788-133-0x00007FFD25D30000-0x00007FFD25DD1000-memory.dmp

                                Filesize

                                644KB

                              • memory/1788-134-0x00007FFD1DA90000-0x00007FFD1DAA5000-memory.dmp

                                Filesize

                                84KB