Analysis

  • max time kernel
    189s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 10:14

General

  • Target

    bb56cba8efcf7c14638eba897b66e70c95831ca717f925e50d7eea31e8304e88.exe

  • Size

    599KB

  • MD5

    454b2fa27736f04f46e62bcfe410ba35

  • SHA1

    80c1a99a4e61e7ff833a0d239b5a3c439edd2c62

  • SHA256

    bb56cba8efcf7c14638eba897b66e70c95831ca717f925e50d7eea31e8304e88

  • SHA512

    2f8a7278e64d857d15232b881207b19178cb6ef99045ae17cb725fce832dd0cb64681e59325f25c2d8e76cb22d17f334abc3e8539e571d51813037ba678290a7

  • SSDEEP

    12288:lIny5DYTWKcZhLRnvz/whuXQwAp95v6wQN8Pq+qqia49tl:RUTXcHtsoXFW0w+gq1Dl

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 14 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 5 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 1 IoCs
  • Runs net.exe
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb56cba8efcf7c14638eba897b66e70c95831ca717f925e50d7eea31e8304e88.exe
    "C:\Users\Admin\AppData\Local\Temp\bb56cba8efcf7c14638eba897b66e70c95831ca717f925e50d7eea31e8304e88.exe"
    1⤵
    • Drops file in Drivers directory
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:4252
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:652
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:4932
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3472
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:208
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2388
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:3176
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:4784
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4036
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:1912
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4128
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:3708
          • C:\Windows\SysWOW64\nethtsrv.exe
            C:\Windows\SysWOW64\nethtsrv.exe
            1⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Modifies data under HKEY_USERS
            • Suspicious use of AdjustPrivilegeToken
            PID:2568
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:3952

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nse1E48.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nse1E48.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nse1E48.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nse1E48.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nse1E48.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nse1E48.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nse1E48.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nse1E48.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nse1E48.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            b0bbfb975aa5c959c0f519f2af59edce

            SHA1

            2bf7fcead4d0e41ef45a74f95f85afc6decd2217

            SHA256

            540f2f7d76597cb0213860a4ab967b385621122842c71caceacc21c040b41af2

            SHA512

            f4dd7d746bcd4990793f26131ec5403aa51d9c9d1e4f66546095371e6dce0e5510b8064cb552f3cc5cb5121c827d93165ac7fce119e24e7446ece88660156004

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            b0bbfb975aa5c959c0f519f2af59edce

            SHA1

            2bf7fcead4d0e41ef45a74f95f85afc6decd2217

            SHA256

            540f2f7d76597cb0213860a4ab967b385621122842c71caceacc21c040b41af2

            SHA512

            f4dd7d746bcd4990793f26131ec5403aa51d9c9d1e4f66546095371e6dce0e5510b8064cb552f3cc5cb5121c827d93165ac7fce119e24e7446ece88660156004

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            b0bbfb975aa5c959c0f519f2af59edce

            SHA1

            2bf7fcead4d0e41ef45a74f95f85afc6decd2217

            SHA256

            540f2f7d76597cb0213860a4ab967b385621122842c71caceacc21c040b41af2

            SHA512

            f4dd7d746bcd4990793f26131ec5403aa51d9c9d1e4f66546095371e6dce0e5510b8064cb552f3cc5cb5121c827d93165ac7fce119e24e7446ece88660156004

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            b0bbfb975aa5c959c0f519f2af59edce

            SHA1

            2bf7fcead4d0e41ef45a74f95f85afc6decd2217

            SHA256

            540f2f7d76597cb0213860a4ab967b385621122842c71caceacc21c040b41af2

            SHA512

            f4dd7d746bcd4990793f26131ec5403aa51d9c9d1e4f66546095371e6dce0e5510b8064cb552f3cc5cb5121c827d93165ac7fce119e24e7446ece88660156004

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            4d7f375d9e60e581263b76532f155d76

            SHA1

            4f4d68d2dcc3b8d29a3e8d594ecdb1c617d2f909

            SHA256

            9249263792a3f7edd3f39355099c00fe110e856ebda4aa522a5267d79ee12e68

            SHA512

            69844102221ac3283fc8cba8e11d28c011b070eba77ceaa783688538ddef0899efef4415ac08b008a2a435244783d898fc9c0293b51522b4033387b19450c9de

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            4d7f375d9e60e581263b76532f155d76

            SHA1

            4f4d68d2dcc3b8d29a3e8d594ecdb1c617d2f909

            SHA256

            9249263792a3f7edd3f39355099c00fe110e856ebda4aa522a5267d79ee12e68

            SHA512

            69844102221ac3283fc8cba8e11d28c011b070eba77ceaa783688538ddef0899efef4415ac08b008a2a435244783d898fc9c0293b51522b4033387b19450c9de

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            4d7f375d9e60e581263b76532f155d76

            SHA1

            4f4d68d2dcc3b8d29a3e8d594ecdb1c617d2f909

            SHA256

            9249263792a3f7edd3f39355099c00fe110e856ebda4aa522a5267d79ee12e68

            SHA512

            69844102221ac3283fc8cba8e11d28c011b070eba77ceaa783688538ddef0899efef4415ac08b008a2a435244783d898fc9c0293b51522b4033387b19450c9de

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            174f18565fa3ad99438c40680d186fc7

            SHA1

            38d252068c7344e52f7a3d287cee917aa67dbe5d

            SHA256

            c5f607ae9f8d4e842e99cd866b509f28bd08a6031363ab9abd0bf9f2ee161e43

            SHA512

            47c701e7c6ee780798229d55a8d61ff840030030b213d8e06a965cf02f9741977f7b8a87d20ebcb6f8b2fe399379095b01c0a119ca2ce5a9d2a735af83f551a7

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            174f18565fa3ad99438c40680d186fc7

            SHA1

            38d252068c7344e52f7a3d287cee917aa67dbe5d

            SHA256

            c5f607ae9f8d4e842e99cd866b509f28bd08a6031363ab9abd0bf9f2ee161e43

            SHA512

            47c701e7c6ee780798229d55a8d61ff840030030b213d8e06a965cf02f9741977f7b8a87d20ebcb6f8b2fe399379095b01c0a119ca2ce5a9d2a735af83f551a7

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            1f14e47466b931d0fb95b2976d72bf2e

            SHA1

            edb1a6ea50568af12ca911c4bc7023bf5c0ea1ef

            SHA256

            73be277848a8598fde06e4d57d478493a6a73e2e2d44b538b28e1f2e97b1f01b

            SHA512

            3f38fea649e3cecb5e73012f9dd060787d4e9c0f30d6b5a4c2483e04bf2f60e883c083a5098982e47e45836b7465a5fe52aa30bfdce70c8bbf9b5709a7a7cf32

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            1f14e47466b931d0fb95b2976d72bf2e

            SHA1

            edb1a6ea50568af12ca911c4bc7023bf5c0ea1ef

            SHA256

            73be277848a8598fde06e4d57d478493a6a73e2e2d44b538b28e1f2e97b1f01b

            SHA512

            3f38fea649e3cecb5e73012f9dd060787d4e9c0f30d6b5a4c2483e04bf2f60e883c083a5098982e47e45836b7465a5fe52aa30bfdce70c8bbf9b5709a7a7cf32

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            1f14e47466b931d0fb95b2976d72bf2e

            SHA1

            edb1a6ea50568af12ca911c4bc7023bf5c0ea1ef

            SHA256

            73be277848a8598fde06e4d57d478493a6a73e2e2d44b538b28e1f2e97b1f01b

            SHA512

            3f38fea649e3cecb5e73012f9dd060787d4e9c0f30d6b5a4c2483e04bf2f60e883c083a5098982e47e45836b7465a5fe52aa30bfdce70c8bbf9b5709a7a7cf32

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            910dd0087c260d495db7981dbcafb0c3

            SHA1

            dfe8cb986d43951ac49dcc9c8a45442c1cbf2406

            SHA256

            263bda8e854a9bb52d38db4a798d2a3cb98da4894f6b02563b13b2eb7101a696

            SHA512

            e5a456872708c35da66cb94b96ce744ea3ce6f3fcd2fdac4902c7e42d82af25189d74cf9f2f1c4b15fab9f5ebdf9d89c39d29b238686a1d3764e66b02fdf2480

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            910dd0087c260d495db7981dbcafb0c3

            SHA1

            dfe8cb986d43951ac49dcc9c8a45442c1cbf2406

            SHA256

            263bda8e854a9bb52d38db4a798d2a3cb98da4894f6b02563b13b2eb7101a696

            SHA512

            e5a456872708c35da66cb94b96ce744ea3ce6f3fcd2fdac4902c7e42d82af25189d74cf9f2f1c4b15fab9f5ebdf9d89c39d29b238686a1d3764e66b02fdf2480

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            910dd0087c260d495db7981dbcafb0c3

            SHA1

            dfe8cb986d43951ac49dcc9c8a45442c1cbf2406

            SHA256

            263bda8e854a9bb52d38db4a798d2a3cb98da4894f6b02563b13b2eb7101a696

            SHA512

            e5a456872708c35da66cb94b96ce744ea3ce6f3fcd2fdac4902c7e42d82af25189d74cf9f2f1c4b15fab9f5ebdf9d89c39d29b238686a1d3764e66b02fdf2480

          • memory/208-141-0x0000000000000000-mapping.dmp

          • memory/652-135-0x0000000000000000-mapping.dmp

          • memory/1912-159-0x0000000000000000-mapping.dmp

          • memory/2388-142-0x0000000000000000-mapping.dmp

          • memory/3176-147-0x0000000000000000-mapping.dmp

          • memory/3472-140-0x0000000000000000-mapping.dmp

          • memory/3708-166-0x0000000000000000-mapping.dmp

          • memory/4036-158-0x0000000000000000-mapping.dmp

          • memory/4128-165-0x0000000000000000-mapping.dmp

          • memory/4252-137-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4252-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4252-169-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4784-153-0x0000000000000000-mapping.dmp

          • memory/4932-136-0x0000000000000000-mapping.dmp