Analysis

  • max time kernel
    90s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 10:27

General

  • Target

    46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe

  • Size

    603KB

  • MD5

    c193a7b39fec475e530e54d2ea79fece

  • SHA1

    12d04dbde5813cbd828a0ceb63c81ca17f7d3aed

  • SHA256

    46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e

  • SHA512

    119454c3bfe2fd1cce1ee0a5eb2f57fc656c3aeb4da2726ecdf1a7667459adbf05d3a42cdcca0feefa24b1f1426404ecef27cfabb8a29dd8b9c9d1bc79a6cd01

  • SSDEEP

    12288:+Iny5DYTfIHkrInKk1bMAK2llPe7at2SCa6G0Y6xk4iOM:gUTf8kU/bMA5e7atzC48WtO

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\46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.exe
    "C:\Users\Admin\AppData\Local\Temp\46202f60347502c928aa73a80c7ec714cec78d8a0d3173cff146639bed712c6e.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:4800
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4920
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:4896
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3412
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:60
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:616
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1616
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:2784
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3880
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:2184
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2020
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:868
          • 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:4704
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:2160

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsuB916.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsuB916.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsuB916.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsuB916.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsuB916.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsuB916.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsuB916.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsuB916.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsuB916.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            e58310229b09ea2a7b1a3754ba442c0b

            SHA1

            7b03081e35b09d25df631b4a1efde65363876c8b

            SHA256

            bd79ae5717c1c77b6772eaec4bc617fc7db3119100ed68f5dd08db505567e2a2

            SHA512

            a5d9334b00609338b2ea357375c3f9ffe576dad7ab9c578c18d4561be05e0042496af61b3dda4c6b54da218b94b07d17128eb61773115f48cc87969c01626627

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            e58310229b09ea2a7b1a3754ba442c0b

            SHA1

            7b03081e35b09d25df631b4a1efde65363876c8b

            SHA256

            bd79ae5717c1c77b6772eaec4bc617fc7db3119100ed68f5dd08db505567e2a2

            SHA512

            a5d9334b00609338b2ea357375c3f9ffe576dad7ab9c578c18d4561be05e0042496af61b3dda4c6b54da218b94b07d17128eb61773115f48cc87969c01626627

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            e58310229b09ea2a7b1a3754ba442c0b

            SHA1

            7b03081e35b09d25df631b4a1efde65363876c8b

            SHA256

            bd79ae5717c1c77b6772eaec4bc617fc7db3119100ed68f5dd08db505567e2a2

            SHA512

            a5d9334b00609338b2ea357375c3f9ffe576dad7ab9c578c18d4561be05e0042496af61b3dda4c6b54da218b94b07d17128eb61773115f48cc87969c01626627

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            e58310229b09ea2a7b1a3754ba442c0b

            SHA1

            7b03081e35b09d25df631b4a1efde65363876c8b

            SHA256

            bd79ae5717c1c77b6772eaec4bc617fc7db3119100ed68f5dd08db505567e2a2

            SHA512

            a5d9334b00609338b2ea357375c3f9ffe576dad7ab9c578c18d4561be05e0042496af61b3dda4c6b54da218b94b07d17128eb61773115f48cc87969c01626627

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            9c62bdeebc3d3d9df9812e8ee524a265

            SHA1

            91a9ea8a724c3a4addbd3d60d0876a3f4bbb5466

            SHA256

            2dcef3cc29e4f5cdc7ea96c295a5f1fb1355f9b256219f681a1b39bceea1ddd7

            SHA512

            683cc1a255e915de0f8db2f548eb36a2da9132e6279f312311aa351461168b023f86e4acda39f569b69e1963419d04e987ad7bd9053e518c88e4421064f71624

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            9c62bdeebc3d3d9df9812e8ee524a265

            SHA1

            91a9ea8a724c3a4addbd3d60d0876a3f4bbb5466

            SHA256

            2dcef3cc29e4f5cdc7ea96c295a5f1fb1355f9b256219f681a1b39bceea1ddd7

            SHA512

            683cc1a255e915de0f8db2f548eb36a2da9132e6279f312311aa351461168b023f86e4acda39f569b69e1963419d04e987ad7bd9053e518c88e4421064f71624

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            9c62bdeebc3d3d9df9812e8ee524a265

            SHA1

            91a9ea8a724c3a4addbd3d60d0876a3f4bbb5466

            SHA256

            2dcef3cc29e4f5cdc7ea96c295a5f1fb1355f9b256219f681a1b39bceea1ddd7

            SHA512

            683cc1a255e915de0f8db2f548eb36a2da9132e6279f312311aa351461168b023f86e4acda39f569b69e1963419d04e987ad7bd9053e518c88e4421064f71624

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            8d3159bc9254c0f681c3b5bf0d0d7f96

            SHA1

            41574ffe257dbf0ea07ed34d3913a4c3eb718298

            SHA256

            dae0ad62b25a16a4ec54bae706a12b1ef9dcd9cc5dfb18e5b7a560fd202ce570

            SHA512

            0fd28aee422ab409937a2dd570324faafa0b4e583694d95899188578655aec251e34b607a29d9c7f9e88f0ddc56f966bfc5b573138d67b98bb4ac5c5b0972d8d

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            8d3159bc9254c0f681c3b5bf0d0d7f96

            SHA1

            41574ffe257dbf0ea07ed34d3913a4c3eb718298

            SHA256

            dae0ad62b25a16a4ec54bae706a12b1ef9dcd9cc5dfb18e5b7a560fd202ce570

            SHA512

            0fd28aee422ab409937a2dd570324faafa0b4e583694d95899188578655aec251e34b607a29d9c7f9e88f0ddc56f966bfc5b573138d67b98bb4ac5c5b0972d8d

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            3c95d0b6d4d64c390202929db2610112

            SHA1

            7cc9bdd2b84e20dd96a69bb4efc825c2eeba045b

            SHA256

            e423c2952fba1a6f87281e007cc2f453eec85b1dce5632e595e12b89b11b1e25

            SHA512

            ffd1e3c0df570042035cbe17e9577ce94083f04d895c77a0c12e771c41816085b497fe2e151ee593dc9d496125fb8acd3273bd18c51103b314d72f88255aa7d4

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            3c95d0b6d4d64c390202929db2610112

            SHA1

            7cc9bdd2b84e20dd96a69bb4efc825c2eeba045b

            SHA256

            e423c2952fba1a6f87281e007cc2f453eec85b1dce5632e595e12b89b11b1e25

            SHA512

            ffd1e3c0df570042035cbe17e9577ce94083f04d895c77a0c12e771c41816085b497fe2e151ee593dc9d496125fb8acd3273bd18c51103b314d72f88255aa7d4

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            3c95d0b6d4d64c390202929db2610112

            SHA1

            7cc9bdd2b84e20dd96a69bb4efc825c2eeba045b

            SHA256

            e423c2952fba1a6f87281e007cc2f453eec85b1dce5632e595e12b89b11b1e25

            SHA512

            ffd1e3c0df570042035cbe17e9577ce94083f04d895c77a0c12e771c41816085b497fe2e151ee593dc9d496125fb8acd3273bd18c51103b314d72f88255aa7d4

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            6bdedf7adc5c6d170be7dde211aed6d7

            SHA1

            729378d839f5a766ecd673ee7cbd21316e6614be

            SHA256

            ef92f392981e49990e08b4f3340e751816d17d158724358500280b636bd46fb4

            SHA512

            db976f3f9656b50a5a6a3900128ab51d0dba93993bea20d89f7561ffd6f9dfa87d3e70cb889b43ff248281a1cdea678efebb4f1a5847646a709be65303e93110

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            6bdedf7adc5c6d170be7dde211aed6d7

            SHA1

            729378d839f5a766ecd673ee7cbd21316e6614be

            SHA256

            ef92f392981e49990e08b4f3340e751816d17d158724358500280b636bd46fb4

            SHA512

            db976f3f9656b50a5a6a3900128ab51d0dba93993bea20d89f7561ffd6f9dfa87d3e70cb889b43ff248281a1cdea678efebb4f1a5847646a709be65303e93110

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            6bdedf7adc5c6d170be7dde211aed6d7

            SHA1

            729378d839f5a766ecd673ee7cbd21316e6614be

            SHA256

            ef92f392981e49990e08b4f3340e751816d17d158724358500280b636bd46fb4

            SHA512

            db976f3f9656b50a5a6a3900128ab51d0dba93993bea20d89f7561ffd6f9dfa87d3e70cb889b43ff248281a1cdea678efebb4f1a5847646a709be65303e93110

          • memory/60-141-0x0000000000000000-mapping.dmp

          • memory/616-142-0x0000000000000000-mapping.dmp

          • memory/868-166-0x0000000000000000-mapping.dmp

          • memory/1616-147-0x0000000000000000-mapping.dmp

          • memory/2020-165-0x0000000000000000-mapping.dmp

          • memory/2184-159-0x0000000000000000-mapping.dmp

          • memory/2784-153-0x0000000000000000-mapping.dmp

          • memory/3412-140-0x0000000000000000-mapping.dmp

          • memory/3880-158-0x0000000000000000-mapping.dmp

          • memory/4800-132-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4800-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4896-137-0x0000000000000000-mapping.dmp

          • memory/4920-136-0x0000000000000000-mapping.dmp