Analysis

  • max time kernel
    197s
  • max time network
    209s
  • 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 11:00

General

  • Target

    070a128570b1679d0aaba419694be4086cbf3c74ddd658315e137a544eded579.exe

  • Size

    446KB

  • MD5

    0e418dedaec71895c78ac3de4d36d9f5

  • SHA1

    ab86f28afe0b1105f3ac8949dff47b6c9d15adbe

  • SHA256

    070a128570b1679d0aaba419694be4086cbf3c74ddd658315e137a544eded579

  • SHA512

    dcc9f645bee975cb14dd297dab9b243cc96c0bd8b8b4e9b7287a86eb1a459fcd7a1d12b7d1f38c176ab00644f4e495614d7f371dc3269640339f6519f23b0b28

  • SSDEEP

    12288:9MfTFLOTaMZ1fGAFvGbWLYHqg7eMNXvH9UIP:9MrFSTxZ1OAVGC4Dy+iIP

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\070a128570b1679d0aaba419694be4086cbf3c74ddd658315e137a544eded579.exe
    "C:\Users\Admin\AppData\Local\Temp\070a128570b1679d0aaba419694be4086cbf3c74ddd658315e137a544eded579.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:2268
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:212
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:3872
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3544
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:5024
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4604
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1452
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:4160
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1612
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:1252
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4392
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:4480
          • 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:4024
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:3732

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsg4A78.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsg4A78.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsg4A78.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsg4A78.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsg4A78.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsg4A78.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsg4A78.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsg4A78.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsg4A78.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            d360c7adab01d52089b437985103475f

            SHA1

            aa392d9e5c639abd786074e9918c2791f01824ee

            SHA256

            80a7fc92f93b5948f76c887d07d4e0836458a3e4b56873bfa5759fac41b3e9e3

            SHA512

            91a89d71eb45b34cecace22e05afd9e4acdf05626bf31064f55853001df94e5d6353cd065cacaf86216344529c05de2107b4a9b1b927940f423e02b81a0bc05f

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            d360c7adab01d52089b437985103475f

            SHA1

            aa392d9e5c639abd786074e9918c2791f01824ee

            SHA256

            80a7fc92f93b5948f76c887d07d4e0836458a3e4b56873bfa5759fac41b3e9e3

            SHA512

            91a89d71eb45b34cecace22e05afd9e4acdf05626bf31064f55853001df94e5d6353cd065cacaf86216344529c05de2107b4a9b1b927940f423e02b81a0bc05f

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            d360c7adab01d52089b437985103475f

            SHA1

            aa392d9e5c639abd786074e9918c2791f01824ee

            SHA256

            80a7fc92f93b5948f76c887d07d4e0836458a3e4b56873bfa5759fac41b3e9e3

            SHA512

            91a89d71eb45b34cecace22e05afd9e4acdf05626bf31064f55853001df94e5d6353cd065cacaf86216344529c05de2107b4a9b1b927940f423e02b81a0bc05f

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            d360c7adab01d52089b437985103475f

            SHA1

            aa392d9e5c639abd786074e9918c2791f01824ee

            SHA256

            80a7fc92f93b5948f76c887d07d4e0836458a3e4b56873bfa5759fac41b3e9e3

            SHA512

            91a89d71eb45b34cecace22e05afd9e4acdf05626bf31064f55853001df94e5d6353cd065cacaf86216344529c05de2107b4a9b1b927940f423e02b81a0bc05f

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            0e2659f09c1f4d25a2eb67e9b6a719f6

            SHA1

            1cd813e8b60cfecca218ff9136c67c37acb92d05

            SHA256

            36f42ca8d690a729a460d2f0871ce2732a2029d4b8de09ab78da106d25681f68

            SHA512

            530c5db28fc42e227486afc941b56806ef66f1944de0fbdec3397dc01fc4aede7a98133608a6e4a05346578e889d9f2c557893b414f3077f3078184bb1eea411

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            0e2659f09c1f4d25a2eb67e9b6a719f6

            SHA1

            1cd813e8b60cfecca218ff9136c67c37acb92d05

            SHA256

            36f42ca8d690a729a460d2f0871ce2732a2029d4b8de09ab78da106d25681f68

            SHA512

            530c5db28fc42e227486afc941b56806ef66f1944de0fbdec3397dc01fc4aede7a98133608a6e4a05346578e889d9f2c557893b414f3077f3078184bb1eea411

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            0e2659f09c1f4d25a2eb67e9b6a719f6

            SHA1

            1cd813e8b60cfecca218ff9136c67c37acb92d05

            SHA256

            36f42ca8d690a729a460d2f0871ce2732a2029d4b8de09ab78da106d25681f68

            SHA512

            530c5db28fc42e227486afc941b56806ef66f1944de0fbdec3397dc01fc4aede7a98133608a6e4a05346578e889d9f2c557893b414f3077f3078184bb1eea411

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            c56e14ace624259ea660faf6cdc213a8

            SHA1

            fc047fa4e3fc5dfe91ee505faad06d3edb77eb74

            SHA256

            46493ad30f41922da465e4b6242de10a21672037f08a3d49cbec1ac1240f8945

            SHA512

            2d9e3f3bd6153e2d45beca15c0d946c8462bfbce6393a622e816be85c8927460df5ace8f14259ee730d98408358b542e8281d932c0d4102edd5eaba38a714b6d

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            c56e14ace624259ea660faf6cdc213a8

            SHA1

            fc047fa4e3fc5dfe91ee505faad06d3edb77eb74

            SHA256

            46493ad30f41922da465e4b6242de10a21672037f08a3d49cbec1ac1240f8945

            SHA512

            2d9e3f3bd6153e2d45beca15c0d946c8462bfbce6393a622e816be85c8927460df5ace8f14259ee730d98408358b542e8281d932c0d4102edd5eaba38a714b6d

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            34a3a7c8a1419abdc3aa75dc1bcb6b24

            SHA1

            c9584671028fa364e917ca2ac728d35f551c68d5

            SHA256

            68f3e2c590f201770528103b5ee6531882ad7368520f9bea3b15f28c2cf82855

            SHA512

            490c95f998d2fb7a1f3b2c42bcf54ff9476322931ae3ff829d63b10740edbffd50df64996f243bdbc6169d790a506008eec9ddf01667e76a060dd12aee08df16

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            34a3a7c8a1419abdc3aa75dc1bcb6b24

            SHA1

            c9584671028fa364e917ca2ac728d35f551c68d5

            SHA256

            68f3e2c590f201770528103b5ee6531882ad7368520f9bea3b15f28c2cf82855

            SHA512

            490c95f998d2fb7a1f3b2c42bcf54ff9476322931ae3ff829d63b10740edbffd50df64996f243bdbc6169d790a506008eec9ddf01667e76a060dd12aee08df16

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            34a3a7c8a1419abdc3aa75dc1bcb6b24

            SHA1

            c9584671028fa364e917ca2ac728d35f551c68d5

            SHA256

            68f3e2c590f201770528103b5ee6531882ad7368520f9bea3b15f28c2cf82855

            SHA512

            490c95f998d2fb7a1f3b2c42bcf54ff9476322931ae3ff829d63b10740edbffd50df64996f243bdbc6169d790a506008eec9ddf01667e76a060dd12aee08df16

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            1a9cf37efed1e7b78458ab4b7835be55

            SHA1

            13084a9f37764ea02eb2bdc8a74d1f3a5d4d8a66

            SHA256

            95e13538b1ec75384ba8ad72dfe6b594d58c636990ccd3a342b1134878678e90

            SHA512

            014b238d605c9cd08dba42099dd4ec3493ee704077ff1e3f854ed655fb04d112a90b2c52d5c81b0851f7e94ac573c72d0dc1982cf8b2eb99f2cc03093330d30b

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            1a9cf37efed1e7b78458ab4b7835be55

            SHA1

            13084a9f37764ea02eb2bdc8a74d1f3a5d4d8a66

            SHA256

            95e13538b1ec75384ba8ad72dfe6b594d58c636990ccd3a342b1134878678e90

            SHA512

            014b238d605c9cd08dba42099dd4ec3493ee704077ff1e3f854ed655fb04d112a90b2c52d5c81b0851f7e94ac573c72d0dc1982cf8b2eb99f2cc03093330d30b

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            1a9cf37efed1e7b78458ab4b7835be55

            SHA1

            13084a9f37764ea02eb2bdc8a74d1f3a5d4d8a66

            SHA256

            95e13538b1ec75384ba8ad72dfe6b594d58c636990ccd3a342b1134878678e90

            SHA512

            014b238d605c9cd08dba42099dd4ec3493ee704077ff1e3f854ed655fb04d112a90b2c52d5c81b0851f7e94ac573c72d0dc1982cf8b2eb99f2cc03093330d30b

          • memory/212-135-0x0000000000000000-mapping.dmp

          • memory/1252-158-0x0000000000000000-mapping.dmp

          • memory/1452-146-0x0000000000000000-mapping.dmp

          • memory/1612-157-0x0000000000000000-mapping.dmp

          • memory/3544-139-0x0000000000000000-mapping.dmp

          • memory/3872-136-0x0000000000000000-mapping.dmp

          • memory/4160-152-0x0000000000000000-mapping.dmp

          • memory/4392-164-0x0000000000000000-mapping.dmp

          • memory/4480-165-0x0000000000000000-mapping.dmp

          • memory/4604-141-0x0000000000000000-mapping.dmp

          • memory/5024-140-0x0000000000000000-mapping.dmp