Analysis

  • max time kernel
    41s
  • max time network
    54s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    25-06-2024 16:36

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 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 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
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 36 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

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:1604
    • 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=0x100,0x104,0x108,0xdc,0x10c,0x7ff80f013cb8,0x7ff80f013cc8,0x7ff80f013cd8
      2⤵
        PID:3596
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1808,2750101162689822614,2211953320382719245,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1856 /prefetch:2
        2⤵
          PID:3788
        • 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=1808,2750101162689822614,2211953320382719245,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2380 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3388
        • 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=1808,2750101162689822614,2211953320382719245,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2504 /prefetch:8
          2⤵
            PID:3444
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1808,2750101162689822614,2211953320382719245,131072 --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=3224 /prefetch:1
            2⤵
              PID:1380
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1808,2750101162689822614,2211953320382719245,131072 --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=3236 /prefetch:1
              2⤵
                PID:4080
              • 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=1808,2750101162689822614,2211953320382719245,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5356 /prefetch:8
                2⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:1336
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1808,2750101162689822614,2211953320382719245,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5400 /prefetch:1
                2⤵
                  PID:4428
                • 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=1808,2750101162689822614,2211953320382719245,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5816 /prefetch:8
                  2⤵
                    PID:1528
                  • 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=1808,2750101162689822614,2211953320382719245,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5816 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:2912
                  • 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=1808,2750101162689822614,2211953320382719245,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6008 /prefetch:8
                    2⤵
                    • NTFS ADS
                    • Suspicious behavior: EnumeratesProcesses
                    PID:2924
                • C:\Windows\System32\CompPkgSrv.exe
                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                  1⤵
                    PID:1048
                  • C:\Windows\System32\CompPkgSrv.exe
                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                    1⤵
                      PID:1728
                    • C:\Windows\System32\rundll32.exe
                      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                      1⤵
                        PID:4372
                      • C:\Users\Admin\Downloads\solarabootstraper.exe
                        "C:\Users\Admin\Downloads\solarabootstraper.exe"
                        1⤵
                        • Executes dropped EXE
                        PID:3668
                        • C:\Users\Admin\AppData\Local\Temp\RarSFX0\test.exe
                          "C:\Users\Admin\AppData\Local\Temp\RarSFX0\test.exe"
                          2⤵
                          • Executes dropped EXE
                          • Suspicious use of AdjustPrivilegeToken
                          PID:940
                          • C:\Windows\SYSTEM32\SCHTASKS.exe
                            "SCHTASKS.exe" /create /tn "$77test.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\RarSFX0\test.exe'" /sc onlogon /rl HIGHEST
                            3⤵
                            • Scheduled Task/Job: Scheduled Task
                            PID:1712

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

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

                        Filesize

                        152B

                        MD5

                        a8e4bf11ed97b6b312e938ca216cf30e

                        SHA1

                        ff6b0b475e552dc08a2c81c9eb9230821d3c8290

                        SHA256

                        296db8c9361efb62e23be1935fd172cfe9fbcd89a424f34f347ec3cc5ca5afad

                        SHA512

                        ce1a05df2619af419ed3058dcbd7254c7159d333356d9f1d5e2591c19e17ab0ac9b6d3e625e36246ad187256bee75b7011370220ef127c4f1171879014d0dd76

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

                        Filesize

                        152B

                        MD5

                        23da8c216a7633c78c347cc80603cd99

                        SHA1

                        a378873c9d3484e0c57c1cb6c6895f34fee0ea61

                        SHA256

                        03dbdb03799f9e37c38f6d9d498ad09f7f0f9901430ff69d95aa26cae87504d3

                        SHA512

                        d34ae684e8462e3f2aba2260f2649dee01b4e2138b50283513c8c19c47faf039701854e1a9cbf21d7a20c28a6306f953b58ffb9144ead067f5f73650a759ff17

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

                        Filesize

                        186B

                        MD5

                        094ab275342c45551894b7940ae9ad0d

                        SHA1

                        2e7ce26fe2eb9be641ae929d0c9cc0dfa26c018e

                        SHA256

                        ef1739b833a1048ee1bd55dcbac5b1397396faca1ad771f4d6c2fe58899495a3

                        SHA512

                        19d0c688dc1121569247111e45de732b2ab86c71aecdde34b157cfd1b25c53473ed3ade49a97f8cb2ddc4711be78fa26c9330887094e031e9a71bb5c29080b0d

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

                        Filesize

                        5KB

                        MD5

                        3a2dabb54ea9b4f4517881e92dd77b63

                        SHA1

                        478e42b82b3b68627363aecb939551c386e929fc

                        SHA256

                        897c75479c8cd0abd55173cb0ba0a5d3f1e137b58c2f6509b28b6b2aa093cc9c

                        SHA512

                        a73b6a0eba56a0da3bafc7e6318407a446d0c31486a4d6f1b39a61dd50ed36734a732a0300bbe5c59b2ba4e755ffc592c8a7328024ea59af54933e390d5f0534

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

                        Filesize

                        5KB

                        MD5

                        eae4285984655415c93c8089929db201

                        SHA1

                        43f78ab62088822daae8917e2952d9697ab4dd88

                        SHA256

                        89e6c309f20127176afeeec396d43f7fd89d776f52c72fef7ef4ae48c5b7fa1f

                        SHA512

                        52f33078ef5717f439323db1be7295d016f5fbf7a55b06f07cbef82dc73eeca9b48e89fd32be3103e3c8592062aade5c66782d17215584997f1c2ca531011479

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

                        Filesize

                        5KB

                        MD5

                        fc4f194621d8837c314f93a43ff80ea4

                        SHA1

                        87682f1d85ff5af60cbb6fd1a459d99906b05eba

                        SHA256

                        6eea96649109f0bcdc7882bcdc31393abcf7de6c7f82fabf44ba96fe9254c1fc

                        SHA512

                        91ad899c363c614e87c37cd518cfc1d6bbe75c6aba8e370bf8e76813fb64501c3a2a12bd72dc631bf812fa8de18b804acca5827dcfe70f8963239b820192435a

                      • 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

                        754b9a63bc08f84ffc4bbf21f3397556

                        SHA1

                        3f01c210d860c5a9281479304efbadf543b50d09

                        SHA256

                        6f3fef9f4562dfc9a08380ff591ef7a5a6395d83bdbd8dad9667e08cae5c1a5c

                        SHA512

                        32a65bdac36acf966e3f237d35638368b6d29e4f79ebfb2e5b1418970201ac09f461d9d4f03645dfd4a34d4ae0961b0af3e3b87e4f909454072b86b75a3ebafb

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

                        Filesize

                        11KB

                        MD5

                        be6eb3d4c033a8702d905afae18a5f87

                        SHA1

                        669aab92d92bdf80e48809a05cbc864eaefe61aa

                        SHA256

                        b78ca11790ae1e63c758309b071edd692ad9e5ca033d41554dc3cb1b2239f797

                        SHA512

                        56c0ead5d71b922765eefc0cc11cbb4a37ebc12855f1c1c1671693dced2b88c3520cf68edf5e2b4e6677db13d60d9638d3e911b5c8e947184e4453a81d2ca29d

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

                        Filesize

                        78KB

                        MD5

                        cd0398fb5a04ce43be2b1183e7dfad06

                        SHA1

                        e1e9ac1f1f2533f3bfec802cae2cbeeeac65c181

                        SHA256

                        c4fb94399b109d19585a03233be7663000aae8c7c7f8661ce744c59bfa8ced08

                        SHA512

                        50bfd2614078082fd83e43e61a36b086eae0fec2399fae5655c6442a474ffb7c25cabe43b4c484c85acc4fac72c2f2613dc00e85045242dfcdd91093519699bc

                      • C:\Users\Admin\Downloads\Unconfirmed 182637.crdownload

                        Filesize

                        497KB

                        MD5

                        48258af1b1134dffa388c6f2590325c3

                        SHA1

                        e2fa6a4351d7b358e6b20e9194b63b54751458d4

                        SHA256

                        d0452f63e207ead4ba0828fba9cd46d54c08906ac3f35f1c0b27dda2d60fbc83

                        SHA512

                        1eeceefb8843f72b55e1b517039ab53cd72af3bb294fe9b06ce0a6207749506bf299cd913a4a1088ffa002069821d346ec3fc045fa701014110beec03d7d208c

                      • memory/940-96-0x0000021348290000-0x00000213482A8000-memory.dmp

                        Filesize

                        96KB

                      • memory/940-97-0x00000213628F0000-0x0000021362AB2000-memory.dmp

                        Filesize

                        1.8MB

                      • memory/940-98-0x00000213630F0000-0x0000021363618000-memory.dmp

                        Filesize

                        5.2MB