Analysis

  • max time kernel
    190s
  • max time network
    211s
  • 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 10:32

General

  • Target

    176c68c270bfd6fb7caf2f19beade791dbff3db5774d4eff514dcf187675548d.exe

  • Size

    602KB

  • MD5

    940498e1f3b85888268f9d6887441fd3

  • SHA1

    78eaad50b26b2ee435de27beed49b60ac334d11f

  • SHA256

    176c68c270bfd6fb7caf2f19beade791dbff3db5774d4eff514dcf187675548d

  • SHA512

    0bff59ba8c40f60284df93d08836c691a8b4a74060986aeb18f3fef4ac996f758d283522f080487a13a07983cd7b54898927cabe443e00862be2f94e38c05d3a

  • SSDEEP

    12288:BIny5DYTZItw14ZfMHIOPYp9+q0NTTkZRexeHWXdgtb8e5ciNWmO9Y:9UTZeWDoZkRkZEvXytJciVAY

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\176c68c270bfd6fb7caf2f19beade791dbff3db5774d4eff514dcf187675548d.exe
    "C:\Users\Admin\AppData\Local\Temp\176c68c270bfd6fb7caf2f19beade791dbff3db5774d4eff514dcf187675548d.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:1948
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3136
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:3784
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1976
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:3384
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2812
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2232
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:3668
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2392
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:4884
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:444
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:1880
          • 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:2176
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:1516

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsx661E.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsx661E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsx661E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsx661E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsx661E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsx661E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsx661E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsx661E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsx661E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            b78178d269564ac17670f8e6c407adcc

            SHA1

            69e4f1cbc8ef0deaa8aaa7a3c8c6d91ac2296a9a

            SHA256

            b22b691ce543870b74b899237815e581d30e81f210d64cc44e29f38e2a1aa9aa

            SHA512

            df5252ff678215a143e32866169732961390421a2929a3ed254db18056cafc4eb7b2f402f389787251f8aa9c1376282706ec69186da38ab248e64ded2a36d19b

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            b78178d269564ac17670f8e6c407adcc

            SHA1

            69e4f1cbc8ef0deaa8aaa7a3c8c6d91ac2296a9a

            SHA256

            b22b691ce543870b74b899237815e581d30e81f210d64cc44e29f38e2a1aa9aa

            SHA512

            df5252ff678215a143e32866169732961390421a2929a3ed254db18056cafc4eb7b2f402f389787251f8aa9c1376282706ec69186da38ab248e64ded2a36d19b

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            b78178d269564ac17670f8e6c407adcc

            SHA1

            69e4f1cbc8ef0deaa8aaa7a3c8c6d91ac2296a9a

            SHA256

            b22b691ce543870b74b899237815e581d30e81f210d64cc44e29f38e2a1aa9aa

            SHA512

            df5252ff678215a143e32866169732961390421a2929a3ed254db18056cafc4eb7b2f402f389787251f8aa9c1376282706ec69186da38ab248e64ded2a36d19b

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            b78178d269564ac17670f8e6c407adcc

            SHA1

            69e4f1cbc8ef0deaa8aaa7a3c8c6d91ac2296a9a

            SHA256

            b22b691ce543870b74b899237815e581d30e81f210d64cc44e29f38e2a1aa9aa

            SHA512

            df5252ff678215a143e32866169732961390421a2929a3ed254db18056cafc4eb7b2f402f389787251f8aa9c1376282706ec69186da38ab248e64ded2a36d19b

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            70a9a8b4e2eae7f27befadb3b99b1522

            SHA1

            98d25a457b1194bf26c816edc6ff99e7c255c5e6

            SHA256

            86ff0090c3f4378748144fdc3364d065d695d2cde2d5dace1895c253b8862c05

            SHA512

            9fa6c825ad2f10786e9658bdec234ab1a5612ca29ed028b7b6e0da366151f1d8ecd83f058afe18bf53b2f62a50df321c39e9e97984d30e6f3acf2606b081d185

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            70a9a8b4e2eae7f27befadb3b99b1522

            SHA1

            98d25a457b1194bf26c816edc6ff99e7c255c5e6

            SHA256

            86ff0090c3f4378748144fdc3364d065d695d2cde2d5dace1895c253b8862c05

            SHA512

            9fa6c825ad2f10786e9658bdec234ab1a5612ca29ed028b7b6e0da366151f1d8ecd83f058afe18bf53b2f62a50df321c39e9e97984d30e6f3acf2606b081d185

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            70a9a8b4e2eae7f27befadb3b99b1522

            SHA1

            98d25a457b1194bf26c816edc6ff99e7c255c5e6

            SHA256

            86ff0090c3f4378748144fdc3364d065d695d2cde2d5dace1895c253b8862c05

            SHA512

            9fa6c825ad2f10786e9658bdec234ab1a5612ca29ed028b7b6e0da366151f1d8ecd83f058afe18bf53b2f62a50df321c39e9e97984d30e6f3acf2606b081d185

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            d6b9300d6f11182ad33aff39a20058aa

            SHA1

            d0ffc704627241bea5707621aa888fb8eef54c22

            SHA256

            5b570707d16bd5da29bd4d8b5190720e85c0406c44144637a15ae9e892c91cb3

            SHA512

            f4e0515ab40486eef948360f4e8f1436898200cd711cccee1dbdaecf9efb24960ce1980c67c079436d6f139b0f065f00c5a25a15cdc01a76b2917b22d57e0c1a

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            d6b9300d6f11182ad33aff39a20058aa

            SHA1

            d0ffc704627241bea5707621aa888fb8eef54c22

            SHA256

            5b570707d16bd5da29bd4d8b5190720e85c0406c44144637a15ae9e892c91cb3

            SHA512

            f4e0515ab40486eef948360f4e8f1436898200cd711cccee1dbdaecf9efb24960ce1980c67c079436d6f139b0f065f00c5a25a15cdc01a76b2917b22d57e0c1a

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            9e980c925fb6b1bfc43c108a7820b92b

            SHA1

            4a74afda5dab8a984fd40f1701abd2f2736c2e9a

            SHA256

            c4077cfa31a1ed29c372a82154392de9e181e327e5cc06f0aa06d05a9e940f40

            SHA512

            0c233d902605178d805f6dac03a07ab6924d2c1f39d14fb12b380e486db89ce2de67a36026a49def492b78d216f742b89d5debcb3b0c88923ca0fe9271d08905

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            9e980c925fb6b1bfc43c108a7820b92b

            SHA1

            4a74afda5dab8a984fd40f1701abd2f2736c2e9a

            SHA256

            c4077cfa31a1ed29c372a82154392de9e181e327e5cc06f0aa06d05a9e940f40

            SHA512

            0c233d902605178d805f6dac03a07ab6924d2c1f39d14fb12b380e486db89ce2de67a36026a49def492b78d216f742b89d5debcb3b0c88923ca0fe9271d08905

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            9e980c925fb6b1bfc43c108a7820b92b

            SHA1

            4a74afda5dab8a984fd40f1701abd2f2736c2e9a

            SHA256

            c4077cfa31a1ed29c372a82154392de9e181e327e5cc06f0aa06d05a9e940f40

            SHA512

            0c233d902605178d805f6dac03a07ab6924d2c1f39d14fb12b380e486db89ce2de67a36026a49def492b78d216f742b89d5debcb3b0c88923ca0fe9271d08905

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            17b193776ad5dbdbda42752a13aec014

            SHA1

            974e8c2e5fdd02f67155d4c4bae7cb9dea413f05

            SHA256

            0d6d60a801bd4a4b1efd9704a03fb56eac9102d0fdf9dc4efe39d78cf091809e

            SHA512

            82d89eed469d8867b6f32cd4383b4d8ea7eff9cdc846b5ba3b572d3977ce1139564c2ade4004eaf9a0bcefb5cc5784a1bf137cf0e600ebaa241c23022246a6b0

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            17b193776ad5dbdbda42752a13aec014

            SHA1

            974e8c2e5fdd02f67155d4c4bae7cb9dea413f05

            SHA256

            0d6d60a801bd4a4b1efd9704a03fb56eac9102d0fdf9dc4efe39d78cf091809e

            SHA512

            82d89eed469d8867b6f32cd4383b4d8ea7eff9cdc846b5ba3b572d3977ce1139564c2ade4004eaf9a0bcefb5cc5784a1bf137cf0e600ebaa241c23022246a6b0

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            17b193776ad5dbdbda42752a13aec014

            SHA1

            974e8c2e5fdd02f67155d4c4bae7cb9dea413f05

            SHA256

            0d6d60a801bd4a4b1efd9704a03fb56eac9102d0fdf9dc4efe39d78cf091809e

            SHA512

            82d89eed469d8867b6f32cd4383b4d8ea7eff9cdc846b5ba3b572d3977ce1139564c2ade4004eaf9a0bcefb5cc5784a1bf137cf0e600ebaa241c23022246a6b0

          • memory/444-166-0x0000000000000000-mapping.dmp

          • memory/1880-167-0x0000000000000000-mapping.dmp

          • memory/1948-169-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1948-132-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1948-147-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1976-140-0x0000000000000000-mapping.dmp

          • memory/2232-148-0x0000000000000000-mapping.dmp

          • memory/2392-159-0x0000000000000000-mapping.dmp

          • memory/2812-142-0x0000000000000000-mapping.dmp

          • memory/3136-136-0x0000000000000000-mapping.dmp

          • memory/3384-141-0x0000000000000000-mapping.dmp

          • memory/3668-154-0x0000000000000000-mapping.dmp

          • memory/3784-137-0x0000000000000000-mapping.dmp

          • memory/4884-160-0x0000000000000000-mapping.dmp