Analysis

  • max time kernel
    156s
  • max time network
    191s
  • 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 10:34

General

  • Target

    0cbd4d0698ae3f08eb6c99c776753d9be88e67e9bd4a4bb2a2ded15750250fba.exe

  • Size

    603KB

  • MD5

    361810e5f0943552bcc5a23121759370

  • SHA1

    7f41e5a7ca114accbe34c9e894e6567128658f8e

  • SHA256

    0cbd4d0698ae3f08eb6c99c776753d9be88e67e9bd4a4bb2a2ded15750250fba

  • SHA512

    b3978f3775f457444cbec85195e4f86b8500db59de1049eeae425f85a682f89c573c0bc6a325ebbfb208c347fef36adae4388e73a066b5bebf21299025a6d68f

  • SSDEEP

    12288:rIny5DYTfIKS3Gj2GziEtycmbKTtTZMP4f2eGq61iaonZuERhh:TUTf9TjnwPgKOtjaonjT

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\0cbd4d0698ae3f08eb6c99c776753d9be88e67e9bd4a4bb2a2ded15750250fba.exe
    "C:\Users\Admin\AppData\Local\Temp\0cbd4d0698ae3f08eb6c99c776753d9be88e67e9bd4a4bb2a2ded15750250fba.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:4160
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2124
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:1880
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4884
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:4228
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:3528
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:628
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:3172
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2584
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:3112
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:636
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:1432
          • 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:4428
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:1280

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsv9359.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsv9359.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsv9359.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsv9359.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsv9359.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsv9359.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsv9359.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsv9359.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsv9359.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            58cefa9d023d400ef93754765aa03172

            SHA1

            c667d22a10d7a3c0295f7a11674ec28fe201fc94

            SHA256

            d186089abd3d582edf75ebb4c30875a8e2657b2eba7c70dad9406a5f79cd94d5

            SHA512

            78aaa90b43992ab17ecc83caeb734dc6c33bfca164406842692b60cdaae2efc9be19c188651f000be28a29d1e034bd2b1087feb8ea46bafa6dc464b1bac5b07a

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            58cefa9d023d400ef93754765aa03172

            SHA1

            c667d22a10d7a3c0295f7a11674ec28fe201fc94

            SHA256

            d186089abd3d582edf75ebb4c30875a8e2657b2eba7c70dad9406a5f79cd94d5

            SHA512

            78aaa90b43992ab17ecc83caeb734dc6c33bfca164406842692b60cdaae2efc9be19c188651f000be28a29d1e034bd2b1087feb8ea46bafa6dc464b1bac5b07a

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            58cefa9d023d400ef93754765aa03172

            SHA1

            c667d22a10d7a3c0295f7a11674ec28fe201fc94

            SHA256

            d186089abd3d582edf75ebb4c30875a8e2657b2eba7c70dad9406a5f79cd94d5

            SHA512

            78aaa90b43992ab17ecc83caeb734dc6c33bfca164406842692b60cdaae2efc9be19c188651f000be28a29d1e034bd2b1087feb8ea46bafa6dc464b1bac5b07a

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            58cefa9d023d400ef93754765aa03172

            SHA1

            c667d22a10d7a3c0295f7a11674ec28fe201fc94

            SHA256

            d186089abd3d582edf75ebb4c30875a8e2657b2eba7c70dad9406a5f79cd94d5

            SHA512

            78aaa90b43992ab17ecc83caeb734dc6c33bfca164406842692b60cdaae2efc9be19c188651f000be28a29d1e034bd2b1087feb8ea46bafa6dc464b1bac5b07a

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            24116b98982baf381cf7a480a7acfe35

            SHA1

            c2e7511816b7aa82eee219c5c77ec333b24b185f

            SHA256

            da1b26a441b3bb54c28af54c7d6fb3cb3d057de758249b49af767aeab7d833f4

            SHA512

            7ef1af8312a5ff68727b9e9d16806f071f926ff2ef657406fb77589992e3a47dd3518aac0e3fd7375115ff37184e6604b0f43338e9aba400fd91ffb641ecc48b

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            24116b98982baf381cf7a480a7acfe35

            SHA1

            c2e7511816b7aa82eee219c5c77ec333b24b185f

            SHA256

            da1b26a441b3bb54c28af54c7d6fb3cb3d057de758249b49af767aeab7d833f4

            SHA512

            7ef1af8312a5ff68727b9e9d16806f071f926ff2ef657406fb77589992e3a47dd3518aac0e3fd7375115ff37184e6604b0f43338e9aba400fd91ffb641ecc48b

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            24116b98982baf381cf7a480a7acfe35

            SHA1

            c2e7511816b7aa82eee219c5c77ec333b24b185f

            SHA256

            da1b26a441b3bb54c28af54c7d6fb3cb3d057de758249b49af767aeab7d833f4

            SHA512

            7ef1af8312a5ff68727b9e9d16806f071f926ff2ef657406fb77589992e3a47dd3518aac0e3fd7375115ff37184e6604b0f43338e9aba400fd91ffb641ecc48b

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            7ef662c904e7914418c12a22de7853b9

            SHA1

            f3a33e61f4888b9a257eea4f770927121d13ef7e

            SHA256

            9bcc6aceaf0a602e26a5e57ed4b884f2769fb8e4c6f8c070b09bc2d65189c7f1

            SHA512

            eef330d65a65c4f84dede0e669fd88c486a3cc34f34e0fdf7be3919ceaa18a5a9d5f0ca3eeea2df43d8b944751a055097855a7f88adc228f0c0496d332738667

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            7ef662c904e7914418c12a22de7853b9

            SHA1

            f3a33e61f4888b9a257eea4f770927121d13ef7e

            SHA256

            9bcc6aceaf0a602e26a5e57ed4b884f2769fb8e4c6f8c070b09bc2d65189c7f1

            SHA512

            eef330d65a65c4f84dede0e669fd88c486a3cc34f34e0fdf7be3919ceaa18a5a9d5f0ca3eeea2df43d8b944751a055097855a7f88adc228f0c0496d332738667

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            5fd83d5cb4312d31c46835fa3e49350f

            SHA1

            17cdca7d03097269ca9e1f6ee7f2aa0a3094183f

            SHA256

            e9c4d5cd98d3e8c4878ad137f332ec385b6e3bbad2048317b1db85398bbe3dc6

            SHA512

            fb4d003574b8ac20c7d0ce812f5d3adadd1fb4624ae612ad597fb7a78ed5f5c188ee6e0540084dddf3a3d6b346ad898cf1085019eac8f85923caa033c9580df9

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            5fd83d5cb4312d31c46835fa3e49350f

            SHA1

            17cdca7d03097269ca9e1f6ee7f2aa0a3094183f

            SHA256

            e9c4d5cd98d3e8c4878ad137f332ec385b6e3bbad2048317b1db85398bbe3dc6

            SHA512

            fb4d003574b8ac20c7d0ce812f5d3adadd1fb4624ae612ad597fb7a78ed5f5c188ee6e0540084dddf3a3d6b346ad898cf1085019eac8f85923caa033c9580df9

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            5fd83d5cb4312d31c46835fa3e49350f

            SHA1

            17cdca7d03097269ca9e1f6ee7f2aa0a3094183f

            SHA256

            e9c4d5cd98d3e8c4878ad137f332ec385b6e3bbad2048317b1db85398bbe3dc6

            SHA512

            fb4d003574b8ac20c7d0ce812f5d3adadd1fb4624ae612ad597fb7a78ed5f5c188ee6e0540084dddf3a3d6b346ad898cf1085019eac8f85923caa033c9580df9

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            089bf4bf18a560ccf5f197909a1635b3

            SHA1

            d9f15ae95feb8a44c6124721b9fffaab0434738a

            SHA256

            103c5f5462f77ab5532c62a8008b9166b52e19d135238182b597a59d34e198b2

            SHA512

            5a96328e7b916d7cca751ee83ee42eaf38c45f38c3ef41469dac6d9bda7693a95d01de1b438c54828f83f0d343d3c14df003f4296bae124ba9cc4d07d89d68fd

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            089bf4bf18a560ccf5f197909a1635b3

            SHA1

            d9f15ae95feb8a44c6124721b9fffaab0434738a

            SHA256

            103c5f5462f77ab5532c62a8008b9166b52e19d135238182b597a59d34e198b2

            SHA512

            5a96328e7b916d7cca751ee83ee42eaf38c45f38c3ef41469dac6d9bda7693a95d01de1b438c54828f83f0d343d3c14df003f4296bae124ba9cc4d07d89d68fd

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            089bf4bf18a560ccf5f197909a1635b3

            SHA1

            d9f15ae95feb8a44c6124721b9fffaab0434738a

            SHA256

            103c5f5462f77ab5532c62a8008b9166b52e19d135238182b597a59d34e198b2

            SHA512

            5a96328e7b916d7cca751ee83ee42eaf38c45f38c3ef41469dac6d9bda7693a95d01de1b438c54828f83f0d343d3c14df003f4296bae124ba9cc4d07d89d68fd

          • memory/628-147-0x0000000000000000-mapping.dmp

          • memory/636-165-0x0000000000000000-mapping.dmp

          • memory/1432-166-0x0000000000000000-mapping.dmp

          • memory/1880-136-0x0000000000000000-mapping.dmp

          • memory/2124-135-0x0000000000000000-mapping.dmp

          • memory/2584-158-0x0000000000000000-mapping.dmp

          • memory/3112-159-0x0000000000000000-mapping.dmp

          • memory/3172-153-0x0000000000000000-mapping.dmp

          • memory/3528-142-0x0000000000000000-mapping.dmp

          • memory/4160-137-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4160-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4228-141-0x0000000000000000-mapping.dmp

          • memory/4884-140-0x0000000000000000-mapping.dmp