Analysis

  • max time kernel
    75s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 11:00

General

  • Target

    07d193e2bf2cee20c1f517c95e5fb86514fbbe61131ada20ad447e024df0b497.exe

  • Size

    446KB

  • MD5

    45f2ab29c9bcba3a0194232a767e046f

  • SHA1

    607a6d01c0a6b026451957125753b958ed36307a

  • SHA256

    07d193e2bf2cee20c1f517c95e5fb86514fbbe61131ada20ad447e024df0b497

  • SHA512

    01d9a4a5f6c3e02712b374446536db9f0a34e51f67655a3296bed044b0295c28256ef989387984dd46b72776b9e3fba24f2344ca5dadbe1fead5ecb1811fb014

  • SSDEEP

    12288:+Mr55eQLFyr9eDyIlwIvRYAWp0qIGR9IPZO:+MdLgeB1vrWy8R90ZO

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\07d193e2bf2cee20c1f517c95e5fb86514fbbe61131ada20ad447e024df0b497.exe
    "C:\Users\Admin\AppData\Local\Temp\07d193e2bf2cee20c1f517c95e5fb86514fbbe61131ada20ad447e024df0b497.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:2764
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:3092
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2260
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:3280
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:3108
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:3980
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:2408
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4308
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:4908
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2252
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:456
          • 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:4888
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:4916

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsv8EB.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsv8EB.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsv8EB.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsv8EB.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsv8EB.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsv8EB.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsv8EB.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsv8EB.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsv8EB.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            561dc054de9f97eaa395fa6fa11c6d3b

            SHA1

            32e34789efabf5ec305cf751498abb56124db433

            SHA256

            825fe058172be95c2fa3fa1ef518b893e14f29af0e60ff3da74f46a6944d5681

            SHA512

            71e20ef77925e59f44ac83b338ae22fc7cfbf967a14589cbc296f5ac9ca52ed7a0c98fc0cd5646942954554d62f808e2f409d3d21803b2c2f19f84cc6ac58db6

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            561dc054de9f97eaa395fa6fa11c6d3b

            SHA1

            32e34789efabf5ec305cf751498abb56124db433

            SHA256

            825fe058172be95c2fa3fa1ef518b893e14f29af0e60ff3da74f46a6944d5681

            SHA512

            71e20ef77925e59f44ac83b338ae22fc7cfbf967a14589cbc296f5ac9ca52ed7a0c98fc0cd5646942954554d62f808e2f409d3d21803b2c2f19f84cc6ac58db6

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            561dc054de9f97eaa395fa6fa11c6d3b

            SHA1

            32e34789efabf5ec305cf751498abb56124db433

            SHA256

            825fe058172be95c2fa3fa1ef518b893e14f29af0e60ff3da74f46a6944d5681

            SHA512

            71e20ef77925e59f44ac83b338ae22fc7cfbf967a14589cbc296f5ac9ca52ed7a0c98fc0cd5646942954554d62f808e2f409d3d21803b2c2f19f84cc6ac58db6

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            561dc054de9f97eaa395fa6fa11c6d3b

            SHA1

            32e34789efabf5ec305cf751498abb56124db433

            SHA256

            825fe058172be95c2fa3fa1ef518b893e14f29af0e60ff3da74f46a6944d5681

            SHA512

            71e20ef77925e59f44ac83b338ae22fc7cfbf967a14589cbc296f5ac9ca52ed7a0c98fc0cd5646942954554d62f808e2f409d3d21803b2c2f19f84cc6ac58db6

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            4ab1d358065d251839c29032d574d252

            SHA1

            e1762b4bfac63e8ee2c297b7f4619bc5c58e8842

            SHA256

            ca522fd29f67f5a345cb28c2ab54bdb77c567564ea87c0df675fd9c5449f32c0

            SHA512

            c96ae7e2f51ef71da8e7d24ceb34f2f1aee370ed0456b75ca961f7abd325f3bb6b0d8a4630ed0fb794d777c26060a09de24b4154a56902cb7d5cde170402cdb5

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            4ab1d358065d251839c29032d574d252

            SHA1

            e1762b4bfac63e8ee2c297b7f4619bc5c58e8842

            SHA256

            ca522fd29f67f5a345cb28c2ab54bdb77c567564ea87c0df675fd9c5449f32c0

            SHA512

            c96ae7e2f51ef71da8e7d24ceb34f2f1aee370ed0456b75ca961f7abd325f3bb6b0d8a4630ed0fb794d777c26060a09de24b4154a56902cb7d5cde170402cdb5

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            4ab1d358065d251839c29032d574d252

            SHA1

            e1762b4bfac63e8ee2c297b7f4619bc5c58e8842

            SHA256

            ca522fd29f67f5a345cb28c2ab54bdb77c567564ea87c0df675fd9c5449f32c0

            SHA512

            c96ae7e2f51ef71da8e7d24ceb34f2f1aee370ed0456b75ca961f7abd325f3bb6b0d8a4630ed0fb794d777c26060a09de24b4154a56902cb7d5cde170402cdb5

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            6f06ee082302fb42865117ed7047b014

            SHA1

            f712f17385211c0ee63ce802f45a0c786b030826

            SHA256

            236c900b14c592763e8720b2b69945ba74940a5a70c4930dff1c782409da1c90

            SHA512

            ba43503e2c0adb16e3421afbbfa384eaa8430b5af8feadbb8f5b5b1272abe0c3828f23476756ccd15715d9caf703454c6e69227898493fc644221b500ed1a8b9

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            6f06ee082302fb42865117ed7047b014

            SHA1

            f712f17385211c0ee63ce802f45a0c786b030826

            SHA256

            236c900b14c592763e8720b2b69945ba74940a5a70c4930dff1c782409da1c90

            SHA512

            ba43503e2c0adb16e3421afbbfa384eaa8430b5af8feadbb8f5b5b1272abe0c3828f23476756ccd15715d9caf703454c6e69227898493fc644221b500ed1a8b9

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            155c3fb8d4d0f9556c4f591a27e58c0d

            SHA1

            4fa78ae4bf6c6e284faac956c855b3eb8d26c531

            SHA256

            8ae04c70992b7458411a37900abc1075c939da085dfae7b1826268cd2cb04f11

            SHA512

            428d3155ef5aef3a4f75f35b28a1d4bda0ba252189d543a7a938fea8647bbf65117562a27ee9b8c20e541e4b6009b6b42bdcea262a585675ce80fb0487ebeccb

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            155c3fb8d4d0f9556c4f591a27e58c0d

            SHA1

            4fa78ae4bf6c6e284faac956c855b3eb8d26c531

            SHA256

            8ae04c70992b7458411a37900abc1075c939da085dfae7b1826268cd2cb04f11

            SHA512

            428d3155ef5aef3a4f75f35b28a1d4bda0ba252189d543a7a938fea8647bbf65117562a27ee9b8c20e541e4b6009b6b42bdcea262a585675ce80fb0487ebeccb

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            155c3fb8d4d0f9556c4f591a27e58c0d

            SHA1

            4fa78ae4bf6c6e284faac956c855b3eb8d26c531

            SHA256

            8ae04c70992b7458411a37900abc1075c939da085dfae7b1826268cd2cb04f11

            SHA512

            428d3155ef5aef3a4f75f35b28a1d4bda0ba252189d543a7a938fea8647bbf65117562a27ee9b8c20e541e4b6009b6b42bdcea262a585675ce80fb0487ebeccb

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            8492f2c0c0d56dd6859cf6af50600a1a

            SHA1

            943d4d532b0eaf0bb3bca913e8ca8ae614619dd9

            SHA256

            25f56c2e7a8f7943657dfff65a3724378de20d13105e4bcf43928b53fec8866c

            SHA512

            a6491e93525d6af50c2882f23492bf8a831edecb531da12e89f132c7b6634e4d3f0a1fa4ff1db6c31315e9c60320e82dd30af26baaa1ebaf29c646268ab6c094

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            8492f2c0c0d56dd6859cf6af50600a1a

            SHA1

            943d4d532b0eaf0bb3bca913e8ca8ae614619dd9

            SHA256

            25f56c2e7a8f7943657dfff65a3724378de20d13105e4bcf43928b53fec8866c

            SHA512

            a6491e93525d6af50c2882f23492bf8a831edecb531da12e89f132c7b6634e4d3f0a1fa4ff1db6c31315e9c60320e82dd30af26baaa1ebaf29c646268ab6c094

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            8492f2c0c0d56dd6859cf6af50600a1a

            SHA1

            943d4d532b0eaf0bb3bca913e8ca8ae614619dd9

            SHA256

            25f56c2e7a8f7943657dfff65a3724378de20d13105e4bcf43928b53fec8866c

            SHA512

            a6491e93525d6af50c2882f23492bf8a831edecb531da12e89f132c7b6634e4d3f0a1fa4ff1db6c31315e9c60320e82dd30af26baaa1ebaf29c646268ab6c094

          • memory/456-165-0x0000000000000000-mapping.dmp

          • memory/2252-164-0x0000000000000000-mapping.dmp

          • memory/2260-139-0x0000000000000000-mapping.dmp

          • memory/2408-152-0x0000000000000000-mapping.dmp

          • memory/2764-135-0x0000000000000000-mapping.dmp

          • memory/3092-136-0x0000000000000000-mapping.dmp

          • memory/3108-141-0x0000000000000000-mapping.dmp

          • memory/3280-140-0x0000000000000000-mapping.dmp

          • memory/3980-146-0x0000000000000000-mapping.dmp

          • memory/4308-157-0x0000000000000000-mapping.dmp

          • memory/4908-158-0x0000000000000000-mapping.dmp