Analysis

  • max time kernel
    1143s
  • max time network
    1173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/10/2024, 20:03

General

  • Target

    https://github.com/mategol/PySilon-malware/blob/main/builder.py

Score
6/10

Malware Config

Signatures

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 41 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 36 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 31 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://github.com/mategol/PySilon-malware/blob/main/builder.py
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1616
    • 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,0x100,0x104,0xd8,0x108,0x7ffffb5b46f8,0x7ffffb5b4708,0x7ffffb5b4718
      2⤵
        PID:3404
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2088,18138293130390311298,18295090962894776987,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2100 /prefetch:2
        2⤵
          PID:2260
        • 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=2088,18138293130390311298,18295090962894776987,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2544 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1052
        • 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=2088,18138293130390311298,18295090962894776987,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2972 /prefetch:8
          2⤵
            PID:3976
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,18138293130390311298,18295090962894776987,131072 --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=3396 /prefetch:1
            2⤵
              PID:2256
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,18138293130390311298,18295090962894776987,131072 --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=3424 /prefetch:1
              2⤵
                PID:2936
              • 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=2088,18138293130390311298,18295090962894776987,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5748 /prefetch:8
                2⤵
                  PID:1528
                • 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=2088,18138293130390311298,18295090962894776987,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5748 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:1496
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,18138293130390311298,18295090962894776987,131072 --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=5392 /prefetch:1
                  2⤵
                    PID:60
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,18138293130390311298,18295090962894776987,131072 --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=5360 /prefetch:1
                    2⤵
                      PID:3124
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,18138293130390311298,18295090962894776987,131072 --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=3456 /prefetch:1
                      2⤵
                        PID:3984
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,18138293130390311298,18295090962894776987,131072 --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=5804 /prefetch:1
                        2⤵
                          PID:3132
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2088,18138293130390311298,18295090962894776987,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=5132 /prefetch:2
                          2⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:3504
                        • 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=2088,18138293130390311298,18295090962894776987,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5124 /prefetch:8
                          2⤵
                            PID:4856
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,18138293130390311298,18295090962894776987,131072 --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=5348 /prefetch:1
                            2⤵
                              PID:2528
                            • 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=2088,18138293130390311298,18295090962894776987,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2852 /prefetch:8
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:2220
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:4364
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:4580
                              • C:\Windows\system32\OpenWith.exe
                                C:\Windows\system32\OpenWith.exe -Embedding
                                1⤵
                                • Modifies registry class
                                • Suspicious behavior: GetForegroundWindowSpam
                                • Suspicious use of SetWindowsHookEx
                                PID:528
                                • C:\Program Files\Internet Explorer\iexplore.exe
                                  "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Downloads\builder.py
                                  2⤵
                                  • Modifies Internet Explorer settings
                                  • Suspicious use of FindShellTrayWindow
                                  • Suspicious use of SetWindowsHookEx
                                  PID:2176
                                  • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                                    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2176 CREDAT:17410 /prefetch:2
                                    3⤵
                                    • System Location Discovery: System Language Discovery
                                    • Modifies Internet Explorer settings
                                    • Suspicious use of SetWindowsHookEx
                                    PID:2832

                              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

                                2dc1a9f2f3f8c3cfe51bb29b078166c5

                                SHA1

                                eaf3c3dad3c8dc6f18dc3e055b415da78b704402

                                SHA256

                                dcb76fa365c2d9ee213b224a91cdd806d30b1e8652d72a22f2371124fa4479fa

                                SHA512

                                682061d9cc86a6e5d99d022da776fb554350fc95efbf29cd84c1db4e2b7161b76cd1de48335bcc3a25633079fb0bd412e4f4795ed6291c65e9bc28d95330bb25

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

                                Filesize

                                1KB

                                MD5

                                016cd32e20f4781f6d5d72242e0641a0

                                SHA1

                                cbe4f156e692376dbbe60ca590a2777cb1d5cddf

                                SHA256

                                3640e01273102b46ab15acc8e2cdc4b76a3fcb12d6c9b0aab1d9a406d93b5857

                                SHA512

                                1e207d85b9ac7c06da816c0546fdac1e065b95cdb24700482d284db9001ec6fe20c555579a62b099d7f8ad9e0f84107d180cf9cfc5438e2cdff7eab547b1668f

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

                                Filesize

                                409B

                                MD5

                                8194ed25dbd9488193ea0891ba2a1d61

                                SHA1

                                1602608cba6eb29c098a3cc75373719ff803b46d

                                SHA256

                                f8061a62c10c0c68205a93c4797fc675334a13bdd4bcd3e4dfbcdf67293060e4

                                SHA512

                                2882eef26bfaefffc3d268b418ff128422b2e9055f6fc560b1146bb121e39926e83cf04ea5c648425e2906c37a5a695447fbb4ce3ff2cef7a8aaf25421fef995

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

                                Filesize

                                492B

                                MD5

                                9a6ce27b8d0b8451401204291e83d579

                                SHA1

                                0a94eaae0e37289b3ab5c634d886579f01f8cbab

                                SHA256

                                475dd5afca6828b19833bdabdc3d287a2a147dd8d6e8abeb42f5927e3ed903af

                                SHA512

                                bcc5cb6b95208daf67402adbab62269fa29f6406d88c5759344887c109285ab59625f94f139fe92fa4dcea2151d7e3d2455484272ed6399370e4452724497785

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

                                Filesize

                                6KB

                                MD5

                                eca9ccd8592870cda21a84a1c8d9056d

                                SHA1

                                7a71fb4e9a802deb3fa4caa69597dd0ca21a7026

                                SHA256

                                a868574f834ac731a836b7c5df4f990b189479122720ab50327945d4dd7550dd

                                SHA512

                                93d65a1793743e431b1c6aa7115906080bc4857d4b226a9e45aa7d56b0120fdf412fff21a9baacf27f2a8df0e67358733da490b18ec01af475a1a26656b8931d

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

                                Filesize

                                5KB

                                MD5

                                7c9a0129a68b34cc2f7522838fddbc7c

                                SHA1

                                a9ccc1270db476e6ff3e31a5db5fc4aec0fd3434

                                SHA256

                                1dc9d59ea7db8d723ee0201e39d0c8f6b051b4d5cc33ac06685f7b5a4185cd07

                                SHA512

                                2c2266a2182b170564a59d9d269e566877357dcac47a8230be854370790683b881cd621d474d16aeda653477fea0e45a4afc161188eab58235a897c075515069

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

                                Filesize

                                6KB

                                MD5

                                24ec19a770832d9b33a225003a6625e8

                                SHA1

                                a1ac66c9aeaa62df07f1f7fffceacf3c644df86a

                                SHA256

                                d31436cd08ed4e8552b7da0e01c8907589882bfef94d4ae372fc34cd3664c8df

                                SHA512

                                c4e41683b900862a5268ec371e7190252e097fbbdc7ed8f32989d7d959f8ee25440729993e72c608fbe6685a4604ec0958ce179489d5a56b4f2c1205e0c25bbb

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

                                Filesize

                                874B

                                MD5

                                8f8005a607c59f40a693acbd5ade92bd

                                SHA1

                                4b7a1e07f59364c9a964a14c502d5f5945a9ee19

                                SHA256

                                dc7111362d66b8a8639a69ce34cf3fef112594c9f8cbc1477836c391a9dda91c

                                SHA512

                                1b6d3dca505ee69abeaa50299f936d171c001bccb1f30df22e110fd1267ac0b38989ae8736f133f7e1a43dfb010cd77a14ecc309abf56937316bdaac32f518cc

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

                                Filesize

                                874B

                                MD5

                                c3101eff0939f1c380453fac58825020

                                SHA1

                                e0f9cd9339ac6b348c39d9fe78c99c97b00b3a1b

                                SHA256

                                1cd1a0d18b744a56a8e08051b92d57a63042b67c07f0ff444f6b76297f5bf0d4

                                SHA512

                                092f6e312a2a08a6e31fe7cceda53630845e561154d06d3e1f6e70332dc2d23e7bed3f8dfb8988f0b4a995ae4230e900497b58778e1deca9152e52e5805cdab7

                              • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity~RFe5bd27f.TMP

                                Filesize

                                706B

                                MD5

                                021b42bac45a00b6d630fd9c015126e2

                                SHA1

                                85e119f0e91369bf879287ac75fdb25e6c82f41b

                                SHA256

                                f7862e86212f383ac05828ff29bc9b9a6c2835a5d0976fb4f01864ebc96bd04c

                                SHA512

                                030bc600da006a4517aefdff477149308cbd0018f11b014526f264e1c042de638ae28c032bab617d3c5a5b8cfa38339165d6b7a02b85c3dc6287575261648556

                              • 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

                                ea5c3c02b40ac173cfa8b3992531e215

                                SHA1

                                903362c1ccd07ecff415f5e964f0ebd03029e5cb

                                SHA256

                                d4b12895386752256d1537bb99e30fb568911a641000aa9615482c366454981f

                                SHA512

                                2c1d4672c060e638db550a49f5021f2fb41f8738e1ace09ef0db90bef30d66b420b950075f583b47d991fb6bd3405b476a6dd31d804102f9d7e458087e120978

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

                                Filesize

                                11KB

                                MD5

                                40b6be015cf8157de2ddf21a71dcb2f7

                                SHA1

                                88e009eddf422bfada0357235dcef2c8ef86458c

                                SHA256

                                8ca35728946ac4ecbe152aea745fcdfd8f75c89065bb92f3af3afd72ba63ccfe

                                SHA512

                                b3ffc88831be7946195801f5c723470bd41b865db87d4699ca0099325f231a1083796b8482e20e95cd1b462c4d39c926ed00306a44b0c0e0a0a1fea86194e4e9

                              • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\LNHEOAK4\suggestions[1].en-US

                                Filesize

                                17KB

                                MD5

                                5a34cb996293fde2cb7a4ac89587393a

                                SHA1

                                3c96c993500690d1a77873cd62bc639b3a10653f

                                SHA256

                                c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

                                SHA512

                                e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

                              • C:\Users\Admin\Downloads\builder.py

                                Filesize

                                30KB

                                MD5

                                f011ab09f5e640bbf339d9edd93e2739

                                SHA1

                                cfe055600b42ed2eb3b77c3f9632301cd4c3e6dd

                                SHA256

                                443bd85e3bf8d6a5880400025047933bf58e7cccdb9f1c7585fc6932113f2fdb

                                SHA512

                                bdae087b6fa1a781805fa8a1a2b248e23226261bb4be179dcf1b762f0a1241f7d697797434f23e0820ab39b4c6156c9b4674383cdfb251ce346351132b6ee3b3