Analysis

  • max time kernel
    26s
  • max time network
    24s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/03/2025, 18:08

General

  • Target

    stub.exe

  • Size

    231KB

  • MD5

    265b52aa4d100784d7cd39258d5e4d21

  • SHA1

    5b708da62d55364477ffb77e7feb4193f4635f92

  • SHA256

    9d08e5e62b409ef1ccd05c7996eb5432e4a36f55642cb7441d153909e823f144

  • SHA512

    4ce9e2c41b65ce3c108765dcd934e0f2a12f6c9640cb2ae547997b26a66da1d515ea7bfeb9cc529a57fbd41f51d61068ca7b9f551119e1403ff0cf1b5684e661

  • SSDEEP

    3072:AvNYkHFE9jZOjT4LD8KbgVtn8Mo8G1gVziHzZbIK1YKB/pCAcNqXhwBV3yxSQigS:srE9Z/5bTgVziHzZnSKrCbYMJZbe8tq

Score
10/10

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
  • 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 18 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 41 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:432
    • C:\Windows\system32\services.exe
      C:\Windows\system32\services.exe
      1⤵
        PID:480
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k DcomLaunch
          2⤵
            PID:612
            • C:\Windows\system32\wbem\wmiprvse.exe
              C:\Windows\system32\wbem\wmiprvse.exe
              3⤵
                PID:1260
              • C:\Windows\system32\DllHost.exe
                C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                3⤵
                  PID:1268
              • C:\Windows\system32\svchost.exe
                C:\Windows\system32\svchost.exe -k RPCSS
                2⤵
                  PID:688
                • C:\Windows\System32\svchost.exe
                  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
                  2⤵
                    PID:756
                  • C:\Windows\System32\svchost.exe
                    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
                    2⤵
                      PID:824
                      • C:\Windows\system32\Dwm.exe
                        "C:\Windows\system32\Dwm.exe"
                        3⤵
                          PID:1192
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k netsvcs
                        2⤵
                        • Drops file in System32 directory
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        PID:868
                        • C:\Windows\system32\wbem\WMIADAP.EXE
                          wmiadap.exe /F /T /R
                          3⤵
                          • Drops file in System32 directory
                          • Drops file in Windows directory
                          PID:956
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalService
                        2⤵
                          PID:980
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k NetworkService
                          2⤵
                            PID:292
                          • C:\Windows\System32\spoolsv.exe
                            C:\Windows\System32\spoolsv.exe
                            2⤵
                              PID:920
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
                              2⤵
                                PID:1080
                              • C:\Windows\system32\taskhost.exe
                                "taskhost.exe"
                                2⤵
                                  PID:1124
                                • C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
                                  "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
                                  2⤵
                                    PID:2044
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
                                    2⤵
                                      PID:2232
                                    • C:\Windows\system32\sppsvc.exe
                                      C:\Windows\system32\sppsvc.exe
                                      2⤵
                                        PID:2284
                                    • 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:1272
                                            • C:\Users\Admin\AppData\Local\Temp\stub.exe
                                              "C:\Users\Admin\AppData\Local\Temp\stub.exe"
                                              2⤵
                                              • Loads dropped DLL
                                              • Suspicious use of AdjustPrivilegeToken
                                              • Suspicious use of WriteProcessMemory
                                              PID:1752
                                              • C:\Users\Admin\AppData\Local\Temp\4g0i1eon.czg.exe
                                                "C:\Users\Admin\AppData\Local\Temp\4g0i1eon.czg.exe"
                                                3⤵
                                                • Executes dropped EXE
                                                • Suspicious behavior: EnumeratesProcesses
                                                • Suspicious use of AdjustPrivilegeToken
                                                • Suspicious use of WriteProcessMemory
                                                PID:2540
                                              • C:\Windows\system32\SCHTASKS.exe
                                                "SCHTASKS.exe" /create /tn "Masonstub.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\stub.exe'" /sc onlogon /rl HIGHEST
                                                3⤵
                                                • Scheduled Task/Job: Scheduled Task
                                                PID:2160
                                              • C:\Windows\system32\SCHTASKS.exe
                                                "SCHTASKS.exe" /create /tn "Masonstub.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\stub.exe'" /sc onlogon /rl HIGHEST
                                                3⤵
                                                • Scheduled Task/Job: Scheduled Task
                                                PID:1048
                                          • C:\Windows\system32\conhost.exe
                                            \??\C:\Windows\system32\conhost.exe "-1482022791-12710097886937378141576373761-572548122-1849442184-1864212093-1326244643"
                                            1⤵
                                              PID:2820
                                            • C:\Windows\system32\conhost.exe
                                              \??\C:\Windows\system32\conhost.exe "14235416511537800708-253345108634749031402514984-1711633754-151423714134925448"
                                              1⤵
                                                PID:2492

                                              Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              • C:\Users\Admin\AppData\Local\Temp\4g0i1eon.czg.exe

                                                Filesize

                                                161KB

                                                MD5

                                                94f1ab3a068f83b32639579ec9c5d025

                                                SHA1

                                                38f3d5bc5de46feb8de093d11329766b8e2054ae

                                                SHA256

                                                879cc20b41635709bb304e315aaa5ca4708b480a1bfc2f4935fcf2215188efb0

                                                SHA512

                                                44d5236a804d63302b21ca25ebc148a64605508d03c990a244c44ceb8630849da0510b7b2d0bee72e01ca6681e2d86d7e6aee8847674a26f0028d149b9abee0c

                                              • C:\Windows\System32\perfc007.dat

                                                Filesize

                                                141KB

                                                MD5

                                                0f3d76321f0a7986b42b25a3aa554f82

                                                SHA1

                                                7036bba62109cc25da5d6a84d22b6edb954987c0

                                                SHA256

                                                dfad62e3372760d303f7337fe290e4cb28e714caadd3c59294b77968d81fe460

                                                SHA512

                                                bb02a3f14d47d233fbda046f61bbf5612ebc6213b156af9c47f56733a03df1bb484d1c3576569eb4499d7b378eb01f4d6e906c36c6f71738482584c2e84b47d0

                                              • C:\Windows\System32\perfc00A.dat

                                                Filesize

                                                150KB

                                                MD5

                                                540138285295c68de32a419b7d9de687

                                                SHA1

                                                1cf6a2a0f53f0516ff9fe5ac733dbb5a9255ae56

                                                SHA256

                                                33867c52f756f2b0f645f4bd503c65969d73676dcb14e6a6fdb2ffb11c7562eb

                                                SHA512

                                                7c17c10d4b6165aa0c208811dc6d98e2f4e75e3da1cc2313cc7da9d657626beb3e4ec00b07b71376a7c549725d40db20d8952753e70acc86e87a8390e224a64a

                                              • C:\Windows\System32\perfc00C.dat

                                                Filesize

                                                141KB

                                                MD5

                                                831dbe568992299e589143ee8898e131

                                                SHA1

                                                737726173aab8b76fe1f98104d72bb91abd273bf

                                                SHA256

                                                4f22ef1625fb2a2370779d0992f80b8e5e5da8dc727aa99ade152044d28e9405

                                                SHA512

                                                39015d29d593c9df59cdafbff95a6ddc000a5dbf767665b65f8ec65751e70315918c93d3583b922d32e9b6261b8c07023da660098ca79c5420b782c150b5c139

                                              • C:\Windows\System32\perfc010.dat

                                                Filesize

                                                138KB

                                                MD5

                                                cf82e7354e591c1408eb2cc0e29dd274

                                                SHA1

                                                7e91bd50c3e6b64b81e2b5c1ce723f52e34748e9

                                                SHA256

                                                59b5e6fbbe68f47db14a3c045b0ac1abb026c626ca4bee708fbd3940e6d2e06d

                                                SHA512

                                                98bd4809c1c418be4100096bc9df328d2ad435c5615c082fa2bfa424935203107015862cd9c1737800b7f7bd020fea4538c325707927c1557bc3efebffb27620

                                              • C:\Windows\System32\perfc011.dat

                                                Filesize

                                                114KB

                                                MD5

                                                1f998386566e5f9b7f11cc79254d1820

                                                SHA1

                                                e1da5fe1f305099b94de565d06bc6f36c6794481

                                                SHA256

                                                1665d97fb8786b94745295feb616a30c27af84e8a5e1d25cd1bcaf70723040ea

                                                SHA512

                                                a7c9702dd5833f4d6d27ce293efb9507948a3b05db350fc9909af6a48bd649c7578f856b4d64d87df451d0efbe202c62da7fffcac03b3fe72c7caaea553de75f

                                              • C:\Windows\System32\perfh007.dat

                                                Filesize

                                                668KB

                                                MD5

                                                5026297c7c445e7f6f705906a6f57c02

                                                SHA1

                                                4ec3b66d44b0d44ec139bd1475afd100748f9e91

                                                SHA256

                                                506d3bec72805973df3b2e11aba4d074aeb4b26b7335536e79ea1145108817cc

                                                SHA512

                                                5be8e51ecacda465b905df3e38ac114240d8fa6bae5bb17e8e53a87630454b57514ca0abbd8afefd798d450cd4ee89caf4391eeb837ced384260c188482fb48d

                                              • C:\Windows\System32\perfh009.dat

                                                Filesize

                                                634KB

                                                MD5

                                                1c678ee06bd02b5d9e4d51c3a4ec2d2b

                                                SHA1

                                                90aa7fdfaaa37fb4f2edfc8efc3994871087dedb

                                                SHA256

                                                2d168ab31836a08d8ca00aab9685f040aac4052a7f10fbbf0c28e9f880a79dd3

                                                SHA512

                                                ec665d7a20f27b2a0fe2475883009c6d34615cc2046d096de447ef57bcac9da0ae842be0556f5736f42d9c1c601fb8629896a2444990e508f7c573165088ab32

                                              • C:\Windows\System32\perfh00A.dat

                                                Filesize

                                                715KB

                                                MD5

                                                340af83514a525c50ffbbf8475ed62b7

                                                SHA1

                                                e2f382ae75afe7df8a323320bbb2aafa1ff6e407

                                                SHA256

                                                fb298e9a90476b4698def395a8ee1974c1cee3959b658662c730da915caea417

                                                SHA512

                                                8236aab579456ef4614ddd5fbfe72d0b0b26617c43a9cd53c3de56d3ac052eee8ca7d70749aaca0692855ecd4fd5f1460ac0b1dd30481dee519b910755c1cc2d

                                              • C:\Windows\System32\perfh00C.dat

                                                Filesize

                                                715KB

                                                MD5

                                                718bb9564980029a2e3341093a4bb082

                                                SHA1

                                                8953d96e47b65c2c70f2bcc3d9e2e7c55d41ee61

                                                SHA256

                                                ad7b5314ef00ce846ae2c91a32dd1c1f2b4905cf182005e251ad6d4af66cc977

                                                SHA512

                                                3f22961d108271dc098ae2c75d217991da38c18a587b44abd74da853ea26d171ca1a507c3200f3b7c2a8175bfff5a8b968a551a4804082064dc6f2ef98b5432d

                                              • C:\Windows\System32\perfh010.dat

                                                Filesize

                                                710KB

                                                MD5

                                                66fd0e1999023d23c9f8e3cd7a92af77

                                                SHA1

                                                e0e61df319ddbc7c9d425612295f825c47888658

                                                SHA256

                                                bdbadcf6f408c6d223974d52a69413aebe1d50ac7eaeacefa2beb2f7321355d0

                                                SHA512

                                                b8924cdf53eb5589820a16890fa7abdca20dfc3ca44063d3fdaef484f506419dbf9cd660bc80e8dfe7b7eba7d9db8fe0046accc1fca8d3faf70dedfa1ee0e68f

                                              • C:\Windows\System32\perfh011.dat

                                                Filesize

                                                394KB

                                                MD5

                                                24da30cbb5f0fe4939862880e72cc32c

                                                SHA1

                                                9132497736f52dae62b79be1677c05e32a7ba2ab

                                                SHA256

                                                a11a4228f8485db2f90466651f6cab07245a8ff5b3448636ab0abc4d618a4a1f

                                                SHA512

                                                332a57e8f0e8d7f82044f90388afd7509768ecb3f657c6be12d1f51ec1c66b8886c30d4b4a42d3a64c3e0d8b76d7cc86a1ac3b92713a68a62c12fdae6a77d6c2

                                              • C:\Windows\System32\wbem\Performance\WmiApRpl.h

                                                Filesize

                                                3KB

                                                MD5

                                                b133a676d139032a27de3d9619e70091

                                                SHA1

                                                1248aa89938a13640252a79113930ede2f26f1fa

                                                SHA256

                                                ae2b6236d3eeb4822835714ae9444e5dcd21bc60f7a909f2962c43bc743c7b15

                                                SHA512

                                                c6b99e13d854ce7a6874497473614ee4bd81c490802783db1349ab851cd80d1dc06df8c1f6e434aba873a5bbf6125cc64104709064e19a9dc1c66dcde3f898f5

                                              • C:\Windows\System32\wbem\Performance\WmiApRpl.ini

                                                Filesize

                                                27KB

                                                MD5

                                                46d08e3a55f007c523ac64dce6dcf478

                                                SHA1

                                                62edf88697e98d43f32090a2197bead7e7244245

                                                SHA256

                                                5b15b1fc32713447c3fbc952a0fb02f1fd78c6f9ac69087bdb240625b0282614

                                                SHA512

                                                b1f42e70c0ba866a9ed34eb531dbcbae1a659d7349c1e1a14b18b9e23d8cbd302d8509c6d3a28bc7509dd92e83bcb400201fb5d5a70f613421d81fe649d02e42

                                              • memory/292-75-0x0000000036E60000-0x0000000036E70000-memory.dmp

                                                Filesize

                                                64KB

                                              • memory/292-73-0x0000000000EA0000-0x0000000000ECB000-memory.dmp

                                                Filesize

                                                172KB

                                              • memory/292-74-0x000007FEBE080000-0x000007FEBE090000-memory.dmp

                                                Filesize

                                                64KB

                                              • memory/432-25-0x000007FEBE080000-0x000007FEBE090000-memory.dmp

                                                Filesize

                                                64KB

                                              • memory/432-38-0x0000000000B40000-0x0000000000B65000-memory.dmp

                                                Filesize

                                                148KB

                                              • memory/432-26-0x0000000036E60000-0x0000000036E70000-memory.dmp

                                                Filesize

                                                64KB

                                              • memory/432-54-0x0000000000B70000-0x0000000000B9B000-memory.dmp

                                                Filesize

                                                172KB

                                              • memory/432-15-0x0000000000B40000-0x0000000000B65000-memory.dmp

                                                Filesize

                                                148KB

                                              • memory/432-20-0x0000000000B70000-0x0000000000B9B000-memory.dmp

                                                Filesize

                                                172KB

                                              • memory/480-19-0x0000000000200000-0x000000000022B000-memory.dmp

                                                Filesize

                                                172KB

                                              • memory/480-23-0x0000000036E60000-0x0000000036E70000-memory.dmp

                                                Filesize

                                                64KB

                                              • memory/480-22-0x000007FEBE080000-0x000007FEBE090000-memory.dmp

                                                Filesize

                                                64KB

                                              • memory/480-211-0x0000000000200000-0x000000000022B000-memory.dmp

                                                Filesize

                                                172KB

                                              • memory/480-59-0x0000000076E71000-0x0000000076E72000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/480-58-0x0000000000200000-0x000000000022B000-memory.dmp

                                                Filesize

                                                172KB

                                              • memory/488-31-0x0000000036E60000-0x0000000036E70000-memory.dmp

                                                Filesize

                                                64KB

                                              • memory/488-68-0x0000000000100000-0x000000000012B000-memory.dmp

                                                Filesize

                                                172KB

                                              • memory/488-30-0x000007FEBE080000-0x000007FEBE090000-memory.dmp

                                                Filesize

                                                64KB

                                              • memory/488-29-0x0000000000100000-0x000000000012B000-memory.dmp

                                                Filesize

                                                172KB

                                              • memory/488-212-0x0000000000100000-0x000000000012B000-memory.dmp

                                                Filesize

                                                172KB

                                              • memory/496-60-0x00000000003E0000-0x000000000040B000-memory.dmp

                                                Filesize

                                                172KB

                                              • memory/496-62-0x0000000036E60000-0x0000000036E70000-memory.dmp

                                                Filesize

                                                64KB

                                              • memory/496-61-0x000007FEBE080000-0x000007FEBE090000-memory.dmp

                                                Filesize

                                                64KB

                                              • memory/496-77-0x00000000003E0000-0x000000000040B000-memory.dmp

                                                Filesize

                                                172KB

                                              • memory/496-213-0x00000000003E0000-0x000000000040B000-memory.dmp

                                                Filesize

                                                172KB

                                              • memory/612-64-0x0000000000320000-0x000000000034B000-memory.dmp

                                                Filesize

                                                172KB

                                              • memory/612-65-0x000007FEBE080000-0x000007FEBE090000-memory.dmp

                                                Filesize

                                                64KB

                                              • memory/612-66-0x0000000036E60000-0x0000000036E70000-memory.dmp

                                                Filesize

                                                64KB

                                              • memory/612-85-0x0000000000320000-0x000000000034B000-memory.dmp

                                                Filesize

                                                172KB

                                              • memory/612-215-0x0000000000320000-0x000000000034B000-memory.dmp

                                                Filesize

                                                172KB

                                              • memory/920-81-0x0000000036E60000-0x0000000036E70000-memory.dmp

                                                Filesize

                                                64KB

                                              • memory/920-78-0x0000000002070000-0x000000000209B000-memory.dmp

                                                Filesize

                                                172KB

                                              • memory/920-80-0x000007FEBE080000-0x000007FEBE090000-memory.dmp

                                                Filesize

                                                64KB

                                              • memory/980-105-0x00000000002E0000-0x000000000030B000-memory.dmp

                                                Filesize

                                                172KB

                                              • memory/980-216-0x00000000002E0000-0x000000000030B000-memory.dmp

                                                Filesize

                                                172KB

                                              • memory/980-70-0x000007FEBE080000-0x000007FEBE090000-memory.dmp

                                                Filesize

                                                64KB

                                              • memory/980-71-0x0000000036E60000-0x0000000036E70000-memory.dmp

                                                Filesize

                                                64KB

                                              • memory/980-69-0x00000000002E0000-0x000000000030B000-memory.dmp

                                                Filesize

                                                172KB

                                              • memory/1752-217-0x000000001B310000-0x000000001B390000-memory.dmp

                                                Filesize

                                                512KB

                                              • memory/1752-0-0x000007FEF5193000-0x000007FEF5194000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/1752-153-0x000007FEF5193000-0x000007FEF5194000-memory.dmp

                                                Filesize

                                                4KB

                                              • memory/1752-214-0x0000000000770000-0x000000000077E000-memory.dmp

                                                Filesize

                                                56KB

                                              • memory/1752-2-0x0000000000380000-0x00000000003AC000-memory.dmp

                                                Filesize

                                                176KB

                                              • memory/1752-1-0x00000000000D0000-0x0000000000110000-memory.dmp

                                                Filesize

                                                256KB

                                              • memory/2540-11-0x0000000076E20000-0x0000000076FC9000-memory.dmp

                                                Filesize

                                                1.7MB

                                              • memory/2540-13-0x0000000076E21000-0x0000000076F22000-memory.dmp

                                                Filesize

                                                1.0MB

                                              • memory/2540-158-0x0000000076E20000-0x0000000076FC9000-memory.dmp

                                                Filesize

                                                1.7MB

                                              • memory/2540-14-0x0000000076E20000-0x0000000076FC9000-memory.dmp

                                                Filesize

                                                1.7MB

                                              • memory/2540-12-0x0000000076C00000-0x0000000076D1F000-memory.dmp

                                                Filesize

                                                1.1MB