Analysis

  • max time kernel
    186s
  • max time network
    207s
  • 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

    0ba6bf5259dd5d60b5b953f87223aa53b1c22d2faee45fb726fce7aaf8f3bbfd.exe

  • Size

    446KB

  • MD5

    401c5dfb6af13ec7f13d3d87c311a440

  • SHA1

    fc3e33afa9c3ab3c6a2cc34cf433f086dff9fac1

  • SHA256

    0ba6bf5259dd5d60b5b953f87223aa53b1c22d2faee45fb726fce7aaf8f3bbfd

  • SHA512

    3701d1ddef287dcc668fa709fa23374543b791015e9c6d636299e6747ca58fb568fa13b1c1d2d65738736d44d823e6d6523f4b08eb12a83f3549c1e2b6c3037b

  • SSDEEP

    6144:XzfSE+4y4X9WOxlRLqRYG1+K2j6vf3BA0njOwCumFQEyma+Dhjrv92Rw/+uh:OEHy4og7Lqt2j637n6wCucrD1rP7

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\0ba6bf5259dd5d60b5b953f87223aa53b1c22d2faee45fb726fce7aaf8f3bbfd.exe
    "C:\Users\Admin\AppData\Local\Temp\0ba6bf5259dd5d60b5b953f87223aa53b1c22d2faee45fb726fce7aaf8f3bbfd.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:1692
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4140
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:1756
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:212
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:360
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:3628
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:880
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:4056
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2432
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:2908
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4876
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:3452
          • 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:2304
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:944

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsr4BEF.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsr4BEF.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsr4BEF.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsr4BEF.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsr4BEF.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsr4BEF.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsr4BEF.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsr4BEF.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsr4BEF.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            7f0b44124e8c29a00e704762fcae1848

            SHA1

            fc84cd3b64540aa2270b16acf6039ff19b19e054

            SHA256

            951291b5ff4e4aaee629f9f67e0c82a4a3841d5457afaa16fef4666dd171bef7

            SHA512

            dba644763036e9a7c1f960b7e2c07de9c295d4ff1a7dcd7ecccc7294c5332dda5aaf187f7f9ca870ac40ada10f305f7c184ca0f1380cb30c7f5f6a9c12264631

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            7f0b44124e8c29a00e704762fcae1848

            SHA1

            fc84cd3b64540aa2270b16acf6039ff19b19e054

            SHA256

            951291b5ff4e4aaee629f9f67e0c82a4a3841d5457afaa16fef4666dd171bef7

            SHA512

            dba644763036e9a7c1f960b7e2c07de9c295d4ff1a7dcd7ecccc7294c5332dda5aaf187f7f9ca870ac40ada10f305f7c184ca0f1380cb30c7f5f6a9c12264631

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            7f0b44124e8c29a00e704762fcae1848

            SHA1

            fc84cd3b64540aa2270b16acf6039ff19b19e054

            SHA256

            951291b5ff4e4aaee629f9f67e0c82a4a3841d5457afaa16fef4666dd171bef7

            SHA512

            dba644763036e9a7c1f960b7e2c07de9c295d4ff1a7dcd7ecccc7294c5332dda5aaf187f7f9ca870ac40ada10f305f7c184ca0f1380cb30c7f5f6a9c12264631

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            7f0b44124e8c29a00e704762fcae1848

            SHA1

            fc84cd3b64540aa2270b16acf6039ff19b19e054

            SHA256

            951291b5ff4e4aaee629f9f67e0c82a4a3841d5457afaa16fef4666dd171bef7

            SHA512

            dba644763036e9a7c1f960b7e2c07de9c295d4ff1a7dcd7ecccc7294c5332dda5aaf187f7f9ca870ac40ada10f305f7c184ca0f1380cb30c7f5f6a9c12264631

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            3a709a7e366acf4ac8f16ec37ae9f654

            SHA1

            c14d7d44192520191e6ba573ef0d8b61b310fd21

            SHA256

            5a82867e413b7f98de1b79f2268fd663da1672805e6029b94ef4244e385cb729

            SHA512

            e1a67b65bbb07ee486c73e2f163c43b7a68f1103178b2733141f6e50ae078896bd911fb418a6d4ba034d9c25e6272842a1e94f3c304d5b936be43f744c9d7080

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            3a709a7e366acf4ac8f16ec37ae9f654

            SHA1

            c14d7d44192520191e6ba573ef0d8b61b310fd21

            SHA256

            5a82867e413b7f98de1b79f2268fd663da1672805e6029b94ef4244e385cb729

            SHA512

            e1a67b65bbb07ee486c73e2f163c43b7a68f1103178b2733141f6e50ae078896bd911fb418a6d4ba034d9c25e6272842a1e94f3c304d5b936be43f744c9d7080

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            3a709a7e366acf4ac8f16ec37ae9f654

            SHA1

            c14d7d44192520191e6ba573ef0d8b61b310fd21

            SHA256

            5a82867e413b7f98de1b79f2268fd663da1672805e6029b94ef4244e385cb729

            SHA512

            e1a67b65bbb07ee486c73e2f163c43b7a68f1103178b2733141f6e50ae078896bd911fb418a6d4ba034d9c25e6272842a1e94f3c304d5b936be43f744c9d7080

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            3fe186fc971932d0cf611301e6f00b1d

            SHA1

            37e261d7e2b36e6592b70e5ccd2a0c23004d45ae

            SHA256

            887196f705925251e58ad34cf4a0ee5e9e5687304c257bd2aba0bdf39ad66a98

            SHA512

            f3efcc2bcc9990fd89b71998bc308ac24b4fc70c9a5eb25dfd51c5fa8df207c90ac77f2a39071c5090ed384442e38d351618ce98b3df113f4cab67ca7415781b

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            3fe186fc971932d0cf611301e6f00b1d

            SHA1

            37e261d7e2b36e6592b70e5ccd2a0c23004d45ae

            SHA256

            887196f705925251e58ad34cf4a0ee5e9e5687304c257bd2aba0bdf39ad66a98

            SHA512

            f3efcc2bcc9990fd89b71998bc308ac24b4fc70c9a5eb25dfd51c5fa8df207c90ac77f2a39071c5090ed384442e38d351618ce98b3df113f4cab67ca7415781b

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            e8cffcbd3e92e880cbee4dfac4eeadfc

            SHA1

            7cedd041f888543a92c214f12d1f543479f458ed

            SHA256

            bf08b867a6c7cdd44d31ac7f1e0413937e0b492244243d66708468ebb5b7c423

            SHA512

            8739892b10eb92c849ca80bbfdfe137d11aa5d542387bd12adc1f56ca1dd2a0c9f78b858ff1ecec91abdacca77c62b05625b40bf4ca057ae66ecd619cba73524

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            e8cffcbd3e92e880cbee4dfac4eeadfc

            SHA1

            7cedd041f888543a92c214f12d1f543479f458ed

            SHA256

            bf08b867a6c7cdd44d31ac7f1e0413937e0b492244243d66708468ebb5b7c423

            SHA512

            8739892b10eb92c849ca80bbfdfe137d11aa5d542387bd12adc1f56ca1dd2a0c9f78b858ff1ecec91abdacca77c62b05625b40bf4ca057ae66ecd619cba73524

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            e8cffcbd3e92e880cbee4dfac4eeadfc

            SHA1

            7cedd041f888543a92c214f12d1f543479f458ed

            SHA256

            bf08b867a6c7cdd44d31ac7f1e0413937e0b492244243d66708468ebb5b7c423

            SHA512

            8739892b10eb92c849ca80bbfdfe137d11aa5d542387bd12adc1f56ca1dd2a0c9f78b858ff1ecec91abdacca77c62b05625b40bf4ca057ae66ecd619cba73524

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            a8bd39c9cc25d79b2e3e49b1008df015

            SHA1

            ab90488f3def6674e0916a8789bc577132a062a0

            SHA256

            29ddf139dca19220ce7476e9bbf43a3cc55bba706d9982ef044b6bcee3b42d9b

            SHA512

            fda7f0270f5ddb8d080e4773c38a2c0e64f534fd0aeee560ab5aed0ef46630054b9000a9c78a44b60218c0a1d0bab9e0547bc7ce942110cd800f38d7e28ff735

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            a8bd39c9cc25d79b2e3e49b1008df015

            SHA1

            ab90488f3def6674e0916a8789bc577132a062a0

            SHA256

            29ddf139dca19220ce7476e9bbf43a3cc55bba706d9982ef044b6bcee3b42d9b

            SHA512

            fda7f0270f5ddb8d080e4773c38a2c0e64f534fd0aeee560ab5aed0ef46630054b9000a9c78a44b60218c0a1d0bab9e0547bc7ce942110cd800f38d7e28ff735

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            a8bd39c9cc25d79b2e3e49b1008df015

            SHA1

            ab90488f3def6674e0916a8789bc577132a062a0

            SHA256

            29ddf139dca19220ce7476e9bbf43a3cc55bba706d9982ef044b6bcee3b42d9b

            SHA512

            fda7f0270f5ddb8d080e4773c38a2c0e64f534fd0aeee560ab5aed0ef46630054b9000a9c78a44b60218c0a1d0bab9e0547bc7ce942110cd800f38d7e28ff735

          • memory/212-139-0x0000000000000000-mapping.dmp

          • memory/360-140-0x0000000000000000-mapping.dmp

          • memory/880-146-0x0000000000000000-mapping.dmp

          • memory/1756-136-0x0000000000000000-mapping.dmp

          • memory/2432-157-0x0000000000000000-mapping.dmp

          • memory/2908-158-0x0000000000000000-mapping.dmp

          • memory/3452-165-0x0000000000000000-mapping.dmp

          • memory/3628-141-0x0000000000000000-mapping.dmp

          • memory/4056-152-0x0000000000000000-mapping.dmp

          • memory/4140-135-0x0000000000000000-mapping.dmp

          • memory/4876-164-0x0000000000000000-mapping.dmp