Analysis

  • max time kernel
    186s
  • max time network
    182s
  • 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 10:24

General

  • Target

    649bcb1db0414ab235e793403898993674cab8ad6746b0eec06fc037e8a71832.exe

  • Size

    603KB

  • MD5

    8fb196407d432079251f95712bab916e

  • SHA1

    196245792048b8abc31ac800281d06385d2fef5d

  • SHA256

    649bcb1db0414ab235e793403898993674cab8ad6746b0eec06fc037e8a71832

  • SHA512

    88bda350d8c2ffe90351244bf8bb11ccc254b865a627807cca72dedd06e8dca07d89f5b4c31a6347333b5599d0394847445f8d8576d7dc646aed8934c7203ca2

  • SSDEEP

    12288:fIny5DYTfIuTpIiUBiovSGbrzHcy6C8dBiGYBcc3Ky/mZwYSzhQ:HUTfR1Ii/ovpHzT8dBiGScu7C3

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\649bcb1db0414ab235e793403898993674cab8ad6746b0eec06fc037e8a71832.exe
    "C:\Users\Admin\AppData\Local\Temp\649bcb1db0414ab235e793403898993674cab8ad6746b0eec06fc037e8a71832.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:4232
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4356
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:208
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3432
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:1012
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:392
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:3684
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:2280
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1312
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:1792
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1660
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:2464
          • 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:1048
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:2556

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsw1724.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsw1724.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsw1724.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsw1724.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsw1724.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsw1724.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsw1724.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsw1724.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsw1724.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            e5084247049a88b1615697c513c0e492

            SHA1

            9d2488ffbe4e39682f584891cbb89d407d8a99ff

            SHA256

            a87f17ac3cfe06210746ce843798defe3995934b28ed9441deff5bd2515939ed

            SHA512

            667dee26caa7c73679b80d37eba5edf8195f28377fa5163a2a8342bb4f839f9782e0bd7344fdb931448f79561c2d6d1034594c5ee0bfc606319fc40d770d1341

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            e5084247049a88b1615697c513c0e492

            SHA1

            9d2488ffbe4e39682f584891cbb89d407d8a99ff

            SHA256

            a87f17ac3cfe06210746ce843798defe3995934b28ed9441deff5bd2515939ed

            SHA512

            667dee26caa7c73679b80d37eba5edf8195f28377fa5163a2a8342bb4f839f9782e0bd7344fdb931448f79561c2d6d1034594c5ee0bfc606319fc40d770d1341

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            e5084247049a88b1615697c513c0e492

            SHA1

            9d2488ffbe4e39682f584891cbb89d407d8a99ff

            SHA256

            a87f17ac3cfe06210746ce843798defe3995934b28ed9441deff5bd2515939ed

            SHA512

            667dee26caa7c73679b80d37eba5edf8195f28377fa5163a2a8342bb4f839f9782e0bd7344fdb931448f79561c2d6d1034594c5ee0bfc606319fc40d770d1341

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            e5084247049a88b1615697c513c0e492

            SHA1

            9d2488ffbe4e39682f584891cbb89d407d8a99ff

            SHA256

            a87f17ac3cfe06210746ce843798defe3995934b28ed9441deff5bd2515939ed

            SHA512

            667dee26caa7c73679b80d37eba5edf8195f28377fa5163a2a8342bb4f839f9782e0bd7344fdb931448f79561c2d6d1034594c5ee0bfc606319fc40d770d1341

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            b60d429007e7f2af3a0e1e93368db083

            SHA1

            52db4b48fae754db15fffa058316267ece67aaf6

            SHA256

            1c351e368a99a56c3c1f75bc2effd7a6fb14e135424f4227ba9b78f17b50fc2a

            SHA512

            4fb12fb9d0a485d954cc480b7c81ffbc0a973f218489ef9753aeb9769cad4c278d3eef5f6b7e3443d40edd04ab11ccaf6eb846285070888755accd1958452a80

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            b60d429007e7f2af3a0e1e93368db083

            SHA1

            52db4b48fae754db15fffa058316267ece67aaf6

            SHA256

            1c351e368a99a56c3c1f75bc2effd7a6fb14e135424f4227ba9b78f17b50fc2a

            SHA512

            4fb12fb9d0a485d954cc480b7c81ffbc0a973f218489ef9753aeb9769cad4c278d3eef5f6b7e3443d40edd04ab11ccaf6eb846285070888755accd1958452a80

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            b60d429007e7f2af3a0e1e93368db083

            SHA1

            52db4b48fae754db15fffa058316267ece67aaf6

            SHA256

            1c351e368a99a56c3c1f75bc2effd7a6fb14e135424f4227ba9b78f17b50fc2a

            SHA512

            4fb12fb9d0a485d954cc480b7c81ffbc0a973f218489ef9753aeb9769cad4c278d3eef5f6b7e3443d40edd04ab11ccaf6eb846285070888755accd1958452a80

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            89710e138c301e5342dea254e9a5ef1c

            SHA1

            f5f6de5f397ec3bb511db5f10c62d68e0e57d78e

            SHA256

            8d29f98915e5e8be2f0ce0add26651a51992385dbfdcc85388e73c3fce9a5648

            SHA512

            1ce5fb94197297c31eb27250de44cf3a50fabd81fbd94bffa3f5966ee5fddaf0b9262f8ce9b2c58e4aaf091e3b60a32c8d2b33a443c4e22b9783dab39f7450e6

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            89710e138c301e5342dea254e9a5ef1c

            SHA1

            f5f6de5f397ec3bb511db5f10c62d68e0e57d78e

            SHA256

            8d29f98915e5e8be2f0ce0add26651a51992385dbfdcc85388e73c3fce9a5648

            SHA512

            1ce5fb94197297c31eb27250de44cf3a50fabd81fbd94bffa3f5966ee5fddaf0b9262f8ce9b2c58e4aaf091e3b60a32c8d2b33a443c4e22b9783dab39f7450e6

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            2ec5d6c9977a314886789a00be271057

            SHA1

            82048c94043ca5b39289d7d6c57addd38b34a428

            SHA256

            dbc8f3e02718c408ab8fac995a70c113ddf66935659b87948b285cc1ceeb85ab

            SHA512

            21b80a0020f72583b0024a3320644b6df12e8aefdd87fbaa9c51b982734f6ccfe0f8c9c55d57179756bf7d57863d113617d0ab49f028c24252ade98d6ad24852

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            2ec5d6c9977a314886789a00be271057

            SHA1

            82048c94043ca5b39289d7d6c57addd38b34a428

            SHA256

            dbc8f3e02718c408ab8fac995a70c113ddf66935659b87948b285cc1ceeb85ab

            SHA512

            21b80a0020f72583b0024a3320644b6df12e8aefdd87fbaa9c51b982734f6ccfe0f8c9c55d57179756bf7d57863d113617d0ab49f028c24252ade98d6ad24852

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            2ec5d6c9977a314886789a00be271057

            SHA1

            82048c94043ca5b39289d7d6c57addd38b34a428

            SHA256

            dbc8f3e02718c408ab8fac995a70c113ddf66935659b87948b285cc1ceeb85ab

            SHA512

            21b80a0020f72583b0024a3320644b6df12e8aefdd87fbaa9c51b982734f6ccfe0f8c9c55d57179756bf7d57863d113617d0ab49f028c24252ade98d6ad24852

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            94748fad66afeaa5e7b06aa269f4fec5

            SHA1

            54d32bb57b751bf813a7e08f909f5604c217c4c6

            SHA256

            eafd0df9357a1acbdcbadc45a7b14de0592e26c3fb9c92706fcb1ddaa777ca04

            SHA512

            401e7329408ee4b40e49ea0a9014ae38d44c741e3005cfb76a1a76b4cd249804100dc54f17eefb51879f1527c84be518722dbfeaec05305a1ee2f9ef9812894d

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            94748fad66afeaa5e7b06aa269f4fec5

            SHA1

            54d32bb57b751bf813a7e08f909f5604c217c4c6

            SHA256

            eafd0df9357a1acbdcbadc45a7b14de0592e26c3fb9c92706fcb1ddaa777ca04

            SHA512

            401e7329408ee4b40e49ea0a9014ae38d44c741e3005cfb76a1a76b4cd249804100dc54f17eefb51879f1527c84be518722dbfeaec05305a1ee2f9ef9812894d

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            94748fad66afeaa5e7b06aa269f4fec5

            SHA1

            54d32bb57b751bf813a7e08f909f5604c217c4c6

            SHA256

            eafd0df9357a1acbdcbadc45a7b14de0592e26c3fb9c92706fcb1ddaa777ca04

            SHA512

            401e7329408ee4b40e49ea0a9014ae38d44c741e3005cfb76a1a76b4cd249804100dc54f17eefb51879f1527c84be518722dbfeaec05305a1ee2f9ef9812894d

          • memory/208-136-0x0000000000000000-mapping.dmp

          • memory/392-142-0x0000000000000000-mapping.dmp

          • memory/1012-141-0x0000000000000000-mapping.dmp

          • memory/1312-158-0x0000000000000000-mapping.dmp

          • memory/1660-166-0x0000000000000000-mapping.dmp

          • memory/1792-159-0x0000000000000000-mapping.dmp

          • memory/2280-153-0x0000000000000000-mapping.dmp

          • memory/2464-167-0x0000000000000000-mapping.dmp

          • memory/3432-140-0x0000000000000000-mapping.dmp

          • memory/3684-147-0x0000000000000000-mapping.dmp

          • memory/4232-163-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4232-137-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4232-169-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4356-135-0x0000000000000000-mapping.dmp