Analysis

  • max time kernel
    42s
  • max time network
    47s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03/01/2025, 15:41

General

  • Target

    https://github.com/TOP-executors/JJsploit/releases/download/v2.1.0/JJSPLOIT.V2.exe

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

ROBLOX EXECUTOR

C2

192.168.50.1:4782

10.0.0.113:4782

LETSQOOO-62766.portmap.host:62766

89.10.178.51:4782

Mutex

90faf922-159d-4166-b661-4ba16af8650e

Attributes
  • encryption_key

    FFEE70B90F5EBED6085600C989F1D6D56E2DEC26

  • install_name

    windows 3543.exe

  • log_directory

    roblox executor

  • reconnect_delay

    3000

  • startup_key

    windows background updater

  • subdirectory

    windows updater

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

    When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 4 IoCs
  • NTFS ADS 3 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 36 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of SetWindowsHookEx 2 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" --start-maximized --single-argument https://github.com/TOP-executors/JJsploit/releases/download/v2.1.0/JJSPLOIT.V2.exe
    1⤵
    • Enumerates system info in registry
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2760
    • 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,0x7ffe5a9e3cb8,0x7ffe5a9e3cc8,0x7ffe5a9e3cd8
      2⤵
        PID:948
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1880,9778069409051221606,15034469713606123581,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1892 /prefetch:2
        2⤵
          PID:4432
        • 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=1880,9778069409051221606,15034469713606123581,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2368 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3040
        • 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=1880,9778069409051221606,15034469713606123581,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2772 /prefetch:8
          2⤵
            PID:4996
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1880,9778069409051221606,15034469713606123581,131072 --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=3328 /prefetch:1
            2⤵
              PID:3824
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1880,9778069409051221606,15034469713606123581,131072 --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=3336 /prefetch:1
              2⤵
                PID:4204
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1880,9778069409051221606,15034469713606123581,131072 --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=5096 /prefetch:1
                2⤵
                  PID:4776
                • 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=1880,9778069409051221606,15034469713606123581,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5712 /prefetch:8
                  2⤵
                    PID:540
                  • 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=1880,9778069409051221606,15034469713606123581,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6048 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:4872
                  • 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=1880,9778069409051221606,15034469713606123581,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6092 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1220
                  • 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=1880,9778069409051221606,15034469713606123581,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5404 /prefetch:8
                    2⤵
                    • Subvert Trust Controls: Mark-of-the-Web Bypass
                    • NTFS ADS
                    • Suspicious behavior: EnumeratesProcesses
                    PID:4864
                  • C:\Users\Admin\Downloads\JJSPLOIT.V2.exe
                    "C:\Users\Admin\Downloads\JJSPLOIT.V2.exe"
                    2⤵
                    • Executes dropped EXE
                    • NTFS ADS
                    • Suspicious use of AdjustPrivilegeToken
                    PID:2968
                    • C:\Windows\SYSTEM32\schtasks.exe
                      "schtasks" /create /tn "windows background updater" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\windows updater\windows 3543.exe" /rl HIGHEST /f
                      3⤵
                      • Scheduled Task/Job: Scheduled Task
                      PID:3104
                    • C:\Users\Admin\AppData\Roaming\windows updater\windows 3543.exe
                      "C:\Users\Admin\AppData\Roaming\windows updater\windows 3543.exe"
                      3⤵
                      • Executes dropped EXE
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of SetWindowsHookEx
                      PID:4516
                      • C:\Windows\SYSTEM32\schtasks.exe
                        "schtasks" /create /tn "windows background updater" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\windows updater\windows 3543.exe" /rl HIGHEST /f
                        4⤵
                        • Scheduled Task/Job: Scheduled Task
                        PID:3152
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1880,9778069409051221606,15034469713606123581,131072 --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=5288 /prefetch:1
                    2⤵
                      PID:4188
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1880,9778069409051221606,15034469713606123581,131072 --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=5324 /prefetch:1
                      2⤵
                        PID:1436
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1880,9778069409051221606,15034469713606123581,131072 --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=5580 /prefetch:1
                        2⤵
                          PID:788
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1880,9778069409051221606,15034469713606123581,131072 --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=5520 /prefetch:1
                          2⤵
                            PID:4476
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:1376
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:940
                            • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
                              "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
                              1⤵
                              • Modifies registry class
                              • Suspicious use of SetWindowsHookEx
                              PID:756
                            • C:\Windows\system32\BackgroundTransferHost.exe
                              "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.13
                              1⤵
                              • Modifies registry class
                              PID:3020
                            • C:\Windows\System32\rundll32.exe
                              C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                              1⤵
                                PID:1968

                              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

                                fdee96b970080ef7f5bfa5964075575e

                                SHA1

                                2c821998dc2674d291bfa83a4df46814f0c29ab4

                                SHA256

                                a241023f360b300e56b2b0e1205b651e1244b222e1f55245ca2d06d3162a62f0

                                SHA512

                                20875c3002323f5a9b1b71917d6bd4e4c718c9ca325c90335bd475ddcb25eac94cb3f29795fa6476d6d6e757622b8b0577f008eec2c739c2eec71d2e8b372cff

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

                                Filesize

                                152B

                                MD5

                                46e6ad711a84b5dc7b30b75297d64875

                                SHA1

                                8ca343bfab1e2c04e67b9b16b8e06ba463b4f485

                                SHA256

                                77b51492a40a511e57e7a7ecf76715a2fd46533c0f0d0d5a758f0224e201c77f

                                SHA512

                                8472710b638b0aeee4678f41ed2dff72b39b929b2802716c0c9f96db24c63096b94c9969575e4698f16e412f82668b5c9b5cb747e8a2219429dbb476a31d297e

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

                                Filesize

                                5KB

                                MD5

                                5648da96bbaddda190f9ed589829d338

                                SHA1

                                4cdecbe67e999b2ee6cef86c9665bb0ce7ed3b36

                                SHA256

                                54751f42a7b47110d1f8a3717dd980c3df5d53f1e17bb9d17d83f7e01bc996b4

                                SHA512

                                d8689520a983a105f6aa1bae179706f723d60053b776db899aca838f8ef3df9d2ca46ca2a29e0924a92d67cc0102cf7d6feed1267f4b4bdc9c3fdb07c195cca0

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

                                Filesize

                                5KB

                                MD5

                                9beeed6507e059bee7fdade03185e654

                                SHA1

                                b0ea52b1a643c73eb9d930fe5e427b2651d33595

                                SHA256

                                81e5078b60a88b89bb4a3a64d3ac969e6ac8a35a5eadce59c8d9147bfbcfea97

                                SHA512

                                57e5dc9ae60e3d0616ccbee1dcd372face3fdb57770f028a11cfcb6767fefdadd2c6a3ae178e146af70814ce5184da7c1d14023914f938b7c64712efe31d5928

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

                                Filesize

                                5KB

                                MD5

                                1669bf447b7b0eeac9de1fee43dc5afe

                                SHA1

                                3939754b41c6ef83d8d7a3f9390e9e49a508fd9f

                                SHA256

                                4b24115c2be8b2dea3247dea08ede9861db4f0b7403d8dbec9ad38f2e697e889

                                SHA512

                                321507919ffe2d1771badccbda0c8f36e9044497078980683b95788ccdc7faf4294dce0ff7670768397efeaa4afefac78885f02eae6715b219fb28f530f1d360

                              • 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

                                10KB

                                MD5

                                3b3f4e09c885838129faabc34a18699a

                                SHA1

                                d841e43be9b3dad6024b29949d5d262c2deb4985

                                SHA256

                                dc601b47cf97a1385409d913e09d943de76ce73f30ce9bc1945faaf8631b5699

                                SHA512

                                4fd7e0c5a10e9e221eb2a5360e68781ffb5fbc08ff3b6b7b780ba6d090c116af6cf62a56a038efd0b5c5601b7d655daa9d6acc53a72076b91349a27fae546a71

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

                                Filesize

                                10KB

                                MD5

                                1b2eee24a5cfa8b5e917e20933487c75

                                SHA1

                                7f92770337959f8389b52ff4f777cd2344b69c34

                                SHA256

                                bb1d3f99f693bde069ae07cd532d9b833b882392b5d840c97f28a805133bb7d1

                                SHA512

                                c1d0a1b23ba8a57676305c71bf89a1d99efa7b7535fea52e1e51f0b5cd7cdfc2543d6bf0760bf2a641258a2b6f4e8ce3bd7fb13829e05e11b8d6eab266f82486

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\b59f6d21-5f66-4268-bd11-97590a32483e.tmp

                                Filesize

                                10KB

                                MD5

                                7fe2a777186f708627ccdc0e4b15b329

                                SHA1

                                b2e377b05d56fbe22b80bc61270450f06b57cc84

                                SHA256

                                3806a401ad48cd19bbdeb4bd2cf860146bc6a8e7c78b42199f13d2ad93a15a4b

                                SHA512

                                3f8198880d915d33af55ac948aad02af0b58d1d3d8cfc9e8d71f716f9cae522d7a74cf5f702d84cd47da1150e7cc3bd16c80f807c062914906e89ee6b312c2d6

                              • C:\Users\Admin\Downloads\JJSPLOIT.V2.exe:Zone.Identifier

                                Filesize

                                26B

                                MD5

                                fbccf14d504b7b2dbcb5a5bda75bd93b

                                SHA1

                                d59fc84cdd5217c6cf74785703655f78da6b582b

                                SHA256

                                eacd09517ce90d34ba562171d15ac40d302f0e691b439f91be1b6406e25f5913

                                SHA512

                                aa1d2b1ea3c9de3ccadb319d4e3e3276a2f27dd1a5244fe72de2b6f94083dddc762480482c5c2e53f803cd9e3973ddefc68966f974e124307b5043e654443b98

                              • C:\Users\Admin\Downloads\Unconfirmed 69001.crdownload

                                Filesize

                                3.1MB

                                MD5

                                d4a776ea55e24d3124a6e0759fb0ac44

                                SHA1

                                f5932d234baccc992ca910ff12044e8965229852

                                SHA256

                                7ef4d0236c81894178a6cfc6c27920217bea42a3602ad7a6002834718ba7b93c

                                SHA512

                                ba9127f7f84e55a37e4eb1dc1a50d10ef044f0b24a23d451187c8d1dedec26d3a37cf78e8763b351ef1e492e26b1ef9b28fc2331591ce1b53c3d76369d100f4b

                              • memory/2968-84-0x0000000000DD0000-0x00000000010F4000-memory.dmp

                                Filesize

                                3.1MB

                              • memory/4516-93-0x000000001CBA0000-0x000000001CC52000-memory.dmp

                                Filesize

                                712KB

                              • memory/4516-92-0x000000001CA90000-0x000000001CAE0000-memory.dmp

                                Filesize

                                320KB