Analysis

  • max time kernel
    94s
  • max time network
    137s
  • 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 10:50

General

  • Target

    ee08778dc2adea0218e09319416cbcc3e11ea0efe0d533462b1dc7c49eebe21c.exe

  • Size

    446KB

  • MD5

    b65f368c687a92b9c74d0a5c80f488a5

  • SHA1

    4996c06d70a2ae028679147a0171eb2c2209b53e

  • SHA256

    ee08778dc2adea0218e09319416cbcc3e11ea0efe0d533462b1dc7c49eebe21c

  • SHA512

    5708c290e4c236de577205ca7e59e0c3e12859114b38eef9fa9de0ae33951377e1bc52221818053c04de07b8381fe1ac96d9a67ecdee413a1aeccff8c51dff2b

  • SSDEEP

    12288:BjSvwvdBBC32Jwx73HV82cc6Qq4q4wqMwgAwnbQZc59:B2Kj82MS2ccPZOwRGd9

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\ee08778dc2adea0218e09319416cbcc3e11ea0efe0d533462b1dc7c49eebe21c.exe
    "C:\Users\Admin\AppData\Local\Temp\ee08778dc2adea0218e09319416cbcc3e11ea0efe0d533462b1dc7c49eebe21c.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:1200
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4264
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:3796
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4992
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:4928
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4964
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:5032
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:1612
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1888
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:4512
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4428
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:3996
          • 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:3648
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:2056

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsg987.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsg987.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsg987.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsg987.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsg987.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsg987.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsg987.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsg987.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsg987.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            b841b5bf8a591f773d75e948d8581837

            SHA1

            937b2ff63972668f46acef0001d827cb15f74be5

            SHA256

            9bed5a5b7380783a55d900031e60b91806840bd4fb60468b19abaa68655422f4

            SHA512

            a70e56117e1d7bbc5066202ca3b099c01df10e47e6847831f14b3be49fb7f8f8f22428da6058cb22e4b4c478f3b3ef2d28f171377e37be1891afd4a3c48d989c

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            b841b5bf8a591f773d75e948d8581837

            SHA1

            937b2ff63972668f46acef0001d827cb15f74be5

            SHA256

            9bed5a5b7380783a55d900031e60b91806840bd4fb60468b19abaa68655422f4

            SHA512

            a70e56117e1d7bbc5066202ca3b099c01df10e47e6847831f14b3be49fb7f8f8f22428da6058cb22e4b4c478f3b3ef2d28f171377e37be1891afd4a3c48d989c

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            b841b5bf8a591f773d75e948d8581837

            SHA1

            937b2ff63972668f46acef0001d827cb15f74be5

            SHA256

            9bed5a5b7380783a55d900031e60b91806840bd4fb60468b19abaa68655422f4

            SHA512

            a70e56117e1d7bbc5066202ca3b099c01df10e47e6847831f14b3be49fb7f8f8f22428da6058cb22e4b4c478f3b3ef2d28f171377e37be1891afd4a3c48d989c

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            b841b5bf8a591f773d75e948d8581837

            SHA1

            937b2ff63972668f46acef0001d827cb15f74be5

            SHA256

            9bed5a5b7380783a55d900031e60b91806840bd4fb60468b19abaa68655422f4

            SHA512

            a70e56117e1d7bbc5066202ca3b099c01df10e47e6847831f14b3be49fb7f8f8f22428da6058cb22e4b4c478f3b3ef2d28f171377e37be1891afd4a3c48d989c

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            dcb4d3afac0f63d2208b42b26a49ff08

            SHA1

            2ee3ed3a570f87f83564399c22aff84fe65e7323

            SHA256

            f30e509ed7167654a4a20fe87abaf450fb6b14cfecbda6a102dd6d611d708515

            SHA512

            8e4c2c92e50e47bd121f7a2188f8702a15172fa8a7a59c60db2ac47dc9ee1313508558754a348fbb8384207314116979f299b8b866195241d0330a06ffd69651

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            dcb4d3afac0f63d2208b42b26a49ff08

            SHA1

            2ee3ed3a570f87f83564399c22aff84fe65e7323

            SHA256

            f30e509ed7167654a4a20fe87abaf450fb6b14cfecbda6a102dd6d611d708515

            SHA512

            8e4c2c92e50e47bd121f7a2188f8702a15172fa8a7a59c60db2ac47dc9ee1313508558754a348fbb8384207314116979f299b8b866195241d0330a06ffd69651

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            dcb4d3afac0f63d2208b42b26a49ff08

            SHA1

            2ee3ed3a570f87f83564399c22aff84fe65e7323

            SHA256

            f30e509ed7167654a4a20fe87abaf450fb6b14cfecbda6a102dd6d611d708515

            SHA512

            8e4c2c92e50e47bd121f7a2188f8702a15172fa8a7a59c60db2ac47dc9ee1313508558754a348fbb8384207314116979f299b8b866195241d0330a06ffd69651

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            271e45c935417ecc2609149e88fd1f57

            SHA1

            0f6d13e2f7601112d541eae38ade4396ed77ccd0

            SHA256

            ce1c75781dff17b5c8d5451a83bdba21b03b2523e451dceeff4faaf2f6c4c045

            SHA512

            caf7b8a455d465e78e51f49e29e29c39fa8afbc65e3a49a7e486369f18f67c9d6fb15775f801241f860c7737cca99671668a384fff5e335ed0a497ab81b2bb33

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            271e45c935417ecc2609149e88fd1f57

            SHA1

            0f6d13e2f7601112d541eae38ade4396ed77ccd0

            SHA256

            ce1c75781dff17b5c8d5451a83bdba21b03b2523e451dceeff4faaf2f6c4c045

            SHA512

            caf7b8a455d465e78e51f49e29e29c39fa8afbc65e3a49a7e486369f18f67c9d6fb15775f801241f860c7737cca99671668a384fff5e335ed0a497ab81b2bb33

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            4591f09cb7fb2bbbfb6172f067ba6f83

            SHA1

            a7269ab8269e8cfcc3fc301afcfc1616efa11ae9

            SHA256

            275ca2bc437ac156ca09317a436a5e0f0e8c767a606c08ccefedc0703f71c566

            SHA512

            3aeda5320711e627478b736a944beb93a222bcea2bcc18d1a89717f619c0b76b64b827a2180dea4336e8792f572ad521050ce7114580f14c1fb0625541e404ff

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            4591f09cb7fb2bbbfb6172f067ba6f83

            SHA1

            a7269ab8269e8cfcc3fc301afcfc1616efa11ae9

            SHA256

            275ca2bc437ac156ca09317a436a5e0f0e8c767a606c08ccefedc0703f71c566

            SHA512

            3aeda5320711e627478b736a944beb93a222bcea2bcc18d1a89717f619c0b76b64b827a2180dea4336e8792f572ad521050ce7114580f14c1fb0625541e404ff

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            4591f09cb7fb2bbbfb6172f067ba6f83

            SHA1

            a7269ab8269e8cfcc3fc301afcfc1616efa11ae9

            SHA256

            275ca2bc437ac156ca09317a436a5e0f0e8c767a606c08ccefedc0703f71c566

            SHA512

            3aeda5320711e627478b736a944beb93a222bcea2bcc18d1a89717f619c0b76b64b827a2180dea4336e8792f572ad521050ce7114580f14c1fb0625541e404ff

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            663d7de01bdb4d4995435908a2e27fc6

            SHA1

            eca87ae9d49b8590bcc28cc2d6f7ba5915910931

            SHA256

            a3ee95c852d7e598457b5bdca4aa96d4d158fc8e745f9ddffcbd8084c7fdea25

            SHA512

            687afa7f6fd53a3c766f5a2dde0088139ae5fcff3ba2641ed4062c33bad023f41c7c536665c41720d31df1a2b4367ff365aefc2be67706af01b7e2c81b26c630

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            663d7de01bdb4d4995435908a2e27fc6

            SHA1

            eca87ae9d49b8590bcc28cc2d6f7ba5915910931

            SHA256

            a3ee95c852d7e598457b5bdca4aa96d4d158fc8e745f9ddffcbd8084c7fdea25

            SHA512

            687afa7f6fd53a3c766f5a2dde0088139ae5fcff3ba2641ed4062c33bad023f41c7c536665c41720d31df1a2b4367ff365aefc2be67706af01b7e2c81b26c630

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            663d7de01bdb4d4995435908a2e27fc6

            SHA1

            eca87ae9d49b8590bcc28cc2d6f7ba5915910931

            SHA256

            a3ee95c852d7e598457b5bdca4aa96d4d158fc8e745f9ddffcbd8084c7fdea25

            SHA512

            687afa7f6fd53a3c766f5a2dde0088139ae5fcff3ba2641ed4062c33bad023f41c7c536665c41720d31df1a2b4367ff365aefc2be67706af01b7e2c81b26c630

          • memory/1612-152-0x0000000000000000-mapping.dmp

          • memory/1888-157-0x0000000000000000-mapping.dmp

          • memory/3796-136-0x0000000000000000-mapping.dmp

          • memory/3996-165-0x0000000000000000-mapping.dmp

          • memory/4264-135-0x0000000000000000-mapping.dmp

          • memory/4428-164-0x0000000000000000-mapping.dmp

          • memory/4512-158-0x0000000000000000-mapping.dmp

          • memory/4928-140-0x0000000000000000-mapping.dmp

          • memory/4964-141-0x0000000000000000-mapping.dmp

          • memory/4992-139-0x0000000000000000-mapping.dmp

          • memory/5032-146-0x0000000000000000-mapping.dmp