Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03/03/2025, 02:42

General

  • Target

    9d08e5e62b409ef1ccd05c7996eb5432e4a36f55642cb7441d153909e823f144.exe

  • Size

    231KB

  • MD5

    265b52aa4d100784d7cd39258d5e4d21

  • SHA1

    5b708da62d55364477ffb77e7feb4193f4635f92

  • SHA256

    9d08e5e62b409ef1ccd05c7996eb5432e4a36f55642cb7441d153909e823f144

  • SHA512

    4ce9e2c41b65ce3c108765dcd934e0f2a12f6c9640cb2ae547997b26a66da1d515ea7bfeb9cc529a57fbd41f51d61068ca7b9f551119e1403ff0cf1b5684e661

  • SSDEEP

    3072:AvNYkHFE9jZOjT4LD8KbgVtn8Mo8G1gVziHzZbIK1YKB/pCAcNqXhwBV3yxSQigS:srE9Z/5bTgVziHzZnSKrCbYMJZbe8tq

Malware Config

Extracted

Family

xworm

Version

5.0

C2

217.136.29.82:50007

Attributes
  • install_file

    Mason.exe

aes.plain

Signatures

  • Detect Xworm Payload 2 IoCs
  • Modifies security service 2 TTPs 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 16 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 40 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:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:428
    • C:\Windows\system32\services.exe
      C:\Windows\system32\services.exe
      1⤵
        PID:472
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k DcomLaunch
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:608
          • C:\Windows\system32\DllHost.exe
            C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
            3⤵
              PID:1340
            • C:\Windows\system32\wbem\wmiprvse.exe
              C:\Windows\system32\wbem\wmiprvse.exe
              3⤵
                PID:1736
              • C:\Windows\system32\wbem\wmiprvse.exe
                C:\Windows\system32\wbem\wmiprvse.exe -Embedding
                3⤵
                  PID:808
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k RPCSS
                2⤵
                  PID:684
                • C:\Windows\System32\svchost.exe
                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                  2⤵
                  • Modifies security service
                  PID:756
                • C:\Windows\System32\svchost.exe
                  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                  2⤵
                    PID:812
                    • C:\Windows\system32\Dwm.exe
                      "C:\Windows\system32\Dwm.exe"
                      3⤵
                        PID:1168
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k netsvcs
                      2⤵
                      • Drops file in System32 directory
                      • Suspicious use of AdjustPrivilegeToken
                      PID:856
                      • \\?\C:\Windows\system32\wbem\WMIADAP.EXE
                        wmiadap.exe /F /T /R
                        3⤵
                        • Drops file in System32 directory
                        • Drops file in Windows directory
                        PID:2196
                    • C:\Windows\system32\svchost.exe
                      C:\Windows\system32\svchost.exe -k LocalService
                      2⤵
                        PID:968
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k NetworkService
                        2⤵
                          PID:236
                        • C:\Windows\System32\spoolsv.exe
                          C:\Windows\System32\spoolsv.exe
                          2⤵
                            PID:336
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                            2⤵
                              PID:1064
                            • C:\Windows\system32\taskhost.exe
                              "taskhost.exe"
                              2⤵
                                PID:1112
                              • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                2⤵
                                  PID:316
                                • C:\Windows\system32\svchost.exe
                                  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                  2⤵
                                    PID:1924
                                  • C:\Windows\system32\sppsvc.exe
                                    C:\Windows\system32\sppsvc.exe
                                    2⤵
                                      PID:1940
                                  • C:\Windows\system32\lsass.exe
                                    C:\Windows\system32\lsass.exe
                                    1⤵
                                      PID:488
                                    • C:\Windows\system32\lsm.exe
                                      C:\Windows\system32\lsm.exe
                                      1⤵
                                        PID:496
                                      • C:\Windows\Explorer.EXE
                                        C:\Windows\Explorer.EXE
                                        1⤵
                                          PID:1216
                                          • C:\Users\Admin\AppData\Local\Temp\9d08e5e62b409ef1ccd05c7996eb5432e4a36f55642cb7441d153909e823f144.exe
                                            "C:\Users\Admin\AppData\Local\Temp\9d08e5e62b409ef1ccd05c7996eb5432e4a36f55642cb7441d153909e823f144.exe"
                                            2⤵
                                            • Loads dropped DLL
                                            • Suspicious use of AdjustPrivilegeToken
                                            • Suspicious use of WriteProcessMemory
                                            PID:2464
                                            • C:\Users\Admin\AppData\Local\Temp\ca33x5lu.3pc.exe
                                              "C:\Users\Admin\AppData\Local\Temp\ca33x5lu.3pc.exe"
                                              3⤵
                                              • Executes dropped EXE
                                              • Suspicious behavior: EnumeratesProcesses
                                              • Suspicious use of AdjustPrivilegeToken
                                              • Suspicious use of WriteProcessMemory
                                              PID:2280
                                            • C:\Windows\system32\SCHTASKS.exe
                                              "SCHTASKS.exe" /create /tn "Mason9d08e5e62b409ef1ccd05c7996eb5432e4a36f55642cb7441d153909e823f144.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\9d08e5e62b409ef1ccd05c7996eb5432e4a36f55642cb7441d153909e823f144.exe'" /sc onlogon /rl HIGHEST
                                              3⤵
                                              • Scheduled Task/Job: Scheduled Task
                                              PID:1380
                                            • C:\Windows\system32\SCHTASKS.exe
                                              "SCHTASKS.exe" /create /tn "Mason9d08e5e62b409ef1ccd05c7996eb5432e4a36f55642cb7441d153909e823f144.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\9d08e5e62b409ef1ccd05c7996eb5432e4a36f55642cb7441d153909e823f144.exe'" /sc onlogon /rl HIGHEST
                                              3⤵
                                              • Scheduled Task/Job: Scheduled Task
                                              PID:304
                                        • C:\Windows\system32\conhost.exe
                                          \??\C:\Windows\system32\conhost.exe "1928484213-1791179345-10051741107677898262121199409-68681187616726219461966431400"
                                          1⤵
                                            PID:2156

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          • C:\Windows\System32\perfc007.dat

                                            Filesize

                                            145KB

                                            MD5

                                            19c7052de3b7281b4c1c6bfbb543c5dc

                                            SHA1

                                            d2e12081a14c1069c89f2cee7357a559c27786e7

                                            SHA256

                                            14ed6cb3198e80964cbc687a60aed24fb68d1bbd7588f983dc1fc6ae63514b4a

                                            SHA512

                                            289ca791909882c857014bd24e777fa84b533896508b562051b529d4c27e0d98bc41c801c6384b382f5dc0fa584dc8f713939c636543b0a5cf5ea2b396300f83

                                          • C:\Windows\System32\perfc00A.dat

                                            Filesize

                                            154KB

                                            MD5

                                            f0ecfbfa3e3e59fd02197018f7e9cb84

                                            SHA1

                                            961e9367a4ef3a189466c0a0a186faf8958bdbc4

                                            SHA256

                                            cfa293532a1b865b95093437d82bf8b682132aa335957f0c6d95edfbcc372324

                                            SHA512

                                            116e648cb3b591a6a94da5ef11234778924a2ff9e0b3d7f6f00310d8a58914d12f5ee1b63c2f88701bb00538ad0e42ae2561575333c5a1d63bb8c86863ac6294

                                          • C:\Windows\System32\perfc00C.dat

                                            Filesize

                                            145KB

                                            MD5

                                            ce233fa5dc5adcb87a5185617a0ff6ac

                                            SHA1

                                            2e2747284b1204d3ab08733a29fdbabdf8dc55b9

                                            SHA256

                                            68d4de5e72cfd117151c44dd6ec74cf46fafd6c51357895d3025d7dac570ce31

                                            SHA512

                                            1e9c8e7f12d7c87b4faa0d587a8b374e491cd44f23e13fdb64bde3bc6bf3f2a2d3aba5444a13b199a19737a8170ee8d4ead17a883fbaee66b8b32b35b7577fc2

                                          • C:\Windows\System32\perfc010.dat

                                            Filesize

                                            142KB

                                            MD5

                                            d73172c6cb697755f87cd047c474cf91

                                            SHA1

                                            abc5c7194abe32885a170ca666b7cce8251ac1d6

                                            SHA256

                                            9de801eebbe32699630f74082c9adea15069acd5afb138c9ecd5d4904e3cdc57

                                            SHA512

                                            7c9e4126bed6bc94a211281eed45cee30452519f125b82b143f78da32a3aac72d94d31757e1da22fb2f8a25099ffddec992e2c60987efb9da9b7a17831eafdf6

                                          • C:\Windows\System32\perfc011.dat

                                            Filesize

                                            118KB

                                            MD5

                                            045b3a28859ed815f97e17fcebadf523

                                            SHA1

                                            a3cfaf297b3ef6d2e7ae0e33b9e7a3f212c7c5bd

                                            SHA256

                                            690ebf33940e7d22aeef120d30cc8b1731b2b18ce0cb4b2db89679735809312c

                                            SHA512

                                            d1836a85871c5c11efc407827bb87af4356297a8c498310de45cb322827082622c56cccee7d22c2e2a2f6894a33589534b9f516736005107571d7efade1e9de5

                                          • C:\Windows\System32\perfh007.dat

                                            Filesize

                                            680KB

                                            MD5

                                            b69ab3aeddb720d6ef8c05ff88c23b38

                                            SHA1

                                            d830c2155159656ed1806c7c66cae2a54a2441fa

                                            SHA256

                                            24c81302014118e07ed97eaac0819ecf191e0cc3d69c02b16ecda60ac4718625

                                            SHA512

                                            4c7a99d45fb6e90c206439dcdd7cd198870ea5397a6584bb666eed53a8dc36faaac0b9cfc786a3ab4ecbbecc3a4ddd91560246d83b3319f2e37c1ed4bdbec32d

                                          • C:\Windows\System32\perfh009.dat

                                            Filesize

                                            646KB

                                            MD5

                                            aecab86cc5c705d7a036cba758c1d7b0

                                            SHA1

                                            e88cf81fd282d91c7fc0efae13c13c55f4857b5e

                                            SHA256

                                            9bab92e274fcc0af88a7fdd143c9045b9d3a13cac2c00b63f00b320128dcc066

                                            SHA512

                                            e0aa8da41373fc64d0e3dc86c9e92a9dd5232f6bcae42dfe6f79012d7e780de85511a9ec6941cb39476632972573a18063d3ecd8b059b1d008d34f585d9edbe8

                                          • C:\Windows\System32\perfh00A.dat

                                            Filesize

                                            727KB

                                            MD5

                                            7d0bac4e796872daa3f6dc82c57f4ca8

                                            SHA1

                                            b4f6bbe08fa8cd0784a94ac442ff937a3d3eea0a

                                            SHA256

                                            ce2ef9fc248965f1408d4b7a1e6db67494ba07a7bbdfa810418b30be66ad5879

                                            SHA512

                                            145a0e8543e0d79fe1a5ce268d710c807834a05da1e948f84d6a1818171cd4ef077ea44ba1fe439b07b095721e0109cbf7e4cfd7b57519ee44d9fd9fe1169a3e

                                          • C:\Windows\System32\perfh00C.dat

                                            Filesize

                                            727KB

                                            MD5

                                            5f684ce126de17a7d4433ed2494c5ca9

                                            SHA1

                                            ce1a30a477daa1bac2ec358ce58731429eafe911

                                            SHA256

                                            2e2ba0c47e71991d646ec380cde47f44318d695e6f3f56ec095955a129af1c2c

                                            SHA512

                                            4d0c2669b5002da14d44c21dc2f521fb37b6b41b61bca7b2a9af7c03f616dda9ca825f79a81d3401af626a90017654f9221a6ccc83010ff73de71967fc2f3f5b

                                          • C:\Windows\System32\perfh010.dat

                                            Filesize

                                            722KB

                                            MD5

                                            4623482c106cf6cc1bac198f31787b65

                                            SHA1

                                            5abb0decf7b42ef5daf7db012a742311932f6dad

                                            SHA256

                                            eceda45aedbf6454b79f010c891bead3844d43189972f6beeb5ccddb13cc0349

                                            SHA512

                                            afecefcec652856dd8b4275f11d75a68a582337b682309c4b61fd26ed7038b92e6b9aa72c1bfc350ce2caf5e357098b54eb1e448a4392960f9f82e01c447669f

                                          • C:\Windows\System32\perfh011.dat

                                            Filesize

                                            406KB

                                            MD5

                                            54c674d19c0ff72816402f66f6c3d37c

                                            SHA1

                                            2dcc0269545a213648d59dc84916d9ec2d62a138

                                            SHA256

                                            646d4ea2f0670691aa5b998c26626ede7623886ed3ac9bc9679018f85e584bb5

                                            SHA512

                                            4d451e9bef2c451cb9e86c7f4d705be65787c88df5281da94012bfbe5af496718ec3e48099ec3dff1d06fee7133293f10d649866fe59daa7951aebe2e5e67c1f

                                          • \Users\Admin\AppData\Local\Temp\ca33x5lu.3pc.exe

                                            Filesize

                                            161KB

                                            MD5

                                            94f1ab3a068f83b32639579ec9c5d025

                                            SHA1

                                            38f3d5bc5de46feb8de093d11329766b8e2054ae

                                            SHA256

                                            879cc20b41635709bb304e315aaa5ca4708b480a1bfc2f4935fcf2215188efb0

                                            SHA512

                                            44d5236a804d63302b21ca25ebc148a64605508d03c990a244c44ceb8630849da0510b7b2d0bee72e01ca6681e2d86d7e6aee8847674a26f0028d149b9abee0c

                                          • memory/236-78-0x0000000037CD0000-0x0000000037CE0000-memory.dmp

                                            Filesize

                                            64KB

                                          • memory/236-76-0x0000000000FB0000-0x0000000000FDB000-memory.dmp

                                            Filesize

                                            172KB

                                          • memory/236-77-0x000007FEBE080000-0x000007FEBE090000-memory.dmp

                                            Filesize

                                            64KB

                                          • memory/428-17-0x0000000000C50000-0x0000000000C7B000-memory.dmp

                                            Filesize

                                            172KB

                                          • memory/428-16-0x0000000000B90000-0x0000000000BB5000-memory.dmp

                                            Filesize

                                            148KB

                                          • memory/428-15-0x0000000000B90000-0x0000000000BB5000-memory.dmp

                                            Filesize

                                            148KB

                                          • memory/428-18-0x000007FEBE080000-0x000007FEBE090000-memory.dmp

                                            Filesize

                                            64KB

                                          • memory/428-19-0x0000000037CD0000-0x0000000037CE0000-memory.dmp

                                            Filesize

                                            64KB

                                          • memory/428-56-0x0000000000C50000-0x0000000000C7B000-memory.dmp

                                            Filesize

                                            172KB

                                          • memory/428-57-0x0000000077CE1000-0x0000000077CE2000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/472-58-0x0000000000E10000-0x0000000000E3B000-memory.dmp

                                            Filesize

                                            172KB

                                          • memory/472-23-0x0000000000E10000-0x0000000000E3B000-memory.dmp

                                            Filesize

                                            172KB

                                          • memory/472-36-0x000007FEBE080000-0x000007FEBE090000-memory.dmp

                                            Filesize

                                            64KB

                                          • memory/472-37-0x0000000037CD0000-0x0000000037CE0000-memory.dmp

                                            Filesize

                                            64KB

                                          • memory/488-59-0x00000000000C0000-0x00000000000EB000-memory.dmp

                                            Filesize

                                            172KB

                                          • memory/488-51-0x0000000037CD0000-0x0000000037CE0000-memory.dmp

                                            Filesize

                                            64KB

                                          • memory/488-40-0x00000000000C0000-0x00000000000EB000-memory.dmp

                                            Filesize

                                            172KB

                                          • memory/488-50-0x000007FEBE080000-0x000007FEBE090000-memory.dmp

                                            Filesize

                                            64KB

                                          • memory/496-72-0x0000000000360000-0x000000000038B000-memory.dmp

                                            Filesize

                                            172KB

                                          • memory/496-87-0x0000000000360000-0x000000000038B000-memory.dmp

                                            Filesize

                                            172KB

                                          • memory/496-213-0x0000000000360000-0x000000000038B000-memory.dmp

                                            Filesize

                                            172KB

                                          • memory/496-74-0x0000000037CD0000-0x0000000037CE0000-memory.dmp

                                            Filesize

                                            64KB

                                          • memory/496-73-0x000007FEBE080000-0x000007FEBE090000-memory.dmp

                                            Filesize

                                            64KB

                                          • memory/756-60-0x0000000000D00000-0x0000000000D2B000-memory.dmp

                                            Filesize

                                            172KB

                                          • memory/756-62-0x0000000037CD0000-0x0000000037CE0000-memory.dmp

                                            Filesize

                                            64KB

                                          • memory/756-84-0x0000000000D00000-0x0000000000D2B000-memory.dmp

                                            Filesize

                                            172KB

                                          • memory/756-61-0x000007FEBE080000-0x000007FEBE090000-memory.dmp

                                            Filesize

                                            64KB

                                          • memory/756-210-0x0000000000D00000-0x0000000000D2B000-memory.dmp

                                            Filesize

                                            172KB

                                          • memory/812-64-0x0000000000C90000-0x0000000000CBB000-memory.dmp

                                            Filesize

                                            172KB

                                          • memory/812-66-0x0000000037CD0000-0x0000000037CE0000-memory.dmp

                                            Filesize

                                            64KB

                                          • memory/812-85-0x0000000000C90000-0x0000000000CBB000-memory.dmp

                                            Filesize

                                            172KB

                                          • memory/812-65-0x000007FEBE080000-0x000007FEBE090000-memory.dmp

                                            Filesize

                                            64KB

                                          • memory/812-211-0x0000000000C90000-0x0000000000CBB000-memory.dmp

                                            Filesize

                                            172KB

                                          • memory/856-68-0x0000000000BB0000-0x0000000000BDB000-memory.dmp

                                            Filesize

                                            172KB

                                          • memory/856-86-0x0000000000BB0000-0x0000000000BDB000-memory.dmp

                                            Filesize

                                            172KB

                                          • memory/856-212-0x0000000000BB0000-0x0000000000BDB000-memory.dmp

                                            Filesize

                                            172KB

                                          • memory/856-69-0x000007FEBE080000-0x000007FEBE090000-memory.dmp

                                            Filesize

                                            64KB

                                          • memory/856-70-0x0000000037CD0000-0x0000000037CE0000-memory.dmp

                                            Filesize

                                            64KB

                                          • memory/1064-80-0x0000000000B90000-0x0000000000BBB000-memory.dmp

                                            Filesize

                                            172KB

                                          • memory/2280-14-0x0000000077C90000-0x0000000077E39000-memory.dmp

                                            Filesize

                                            1.7MB

                                          • memory/2280-208-0x0000000077C90000-0x0000000077E39000-memory.dmp

                                            Filesize

                                            1.7MB

                                          • memory/2280-11-0x0000000077C90000-0x0000000077E39000-memory.dmp

                                            Filesize

                                            1.7MB

                                          • memory/2280-12-0x0000000077B70000-0x0000000077C8F000-memory.dmp

                                            Filesize

                                            1.1MB

                                          • memory/2280-13-0x0000000077C91000-0x0000000077D92000-memory.dmp

                                            Filesize

                                            1.0MB

                                          • memory/2464-99-0x000007FEF6033000-0x000007FEF6034000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/2464-209-0x0000000000C70000-0x0000000000C7E000-memory.dmp

                                            Filesize

                                            56KB

                                          • memory/2464-214-0x000000001A880000-0x000000001A900000-memory.dmp

                                            Filesize

                                            512KB

                                          • memory/2464-0-0x000007FEF6033000-0x000007FEF6034000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/2464-2-0x0000000000240000-0x000000000026C000-memory.dmp

                                            Filesize

                                            176KB

                                          • memory/2464-1-0x0000000000E20000-0x0000000000E60000-memory.dmp

                                            Filesize

                                            256KB

                                          • memory/2464-318-0x000000001A880000-0x000000001A900000-memory.dmp

                                            Filesize

                                            512KB