Analysis

  • max time kernel
    142s
  • max time network
    152s
  • 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 10:30

General

  • Target

    2e82dad4cdaa627183e3ffc9ddfc70c1855b305b9c6d58f7a57ef1ac8c5d83d0.exe

  • Size

    602KB

  • MD5

    80478bd861a19b28d20eeef36e0ef79b

  • SHA1

    03bedeff34ee8e379d3ec90d61b9de901b47a58c

  • SHA256

    2e82dad4cdaa627183e3ffc9ddfc70c1855b305b9c6d58f7a57ef1ac8c5d83d0

  • SHA512

    816b056b4dbf83b879ec473a4adc0d9a542ece7129a184be20ef3fb603a121812425739e1bd6ad5db192ea4f583cc1a34868d3e10769e91fe07e6c0d8bf9b449

  • SSDEEP

    12288:LIny5DYThnsrNpMirF9PUYtl97YLpz82wB8:zUTyhpDPRP97oc

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\2e82dad4cdaa627183e3ffc9ddfc70c1855b305b9c6d58f7a57ef1ac8c5d83d0.exe
    "C:\Users\Admin\AppData\Local\Temp\2e82dad4cdaa627183e3ffc9ddfc70c1855b305b9c6d58f7a57ef1ac8c5d83d0.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:3836
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4592
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:4764
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4868
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:2196
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4960
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2652
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:1208
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3476
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:3064
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3204
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:2208
          • 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:4440
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:2220

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsu7EAC.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsu7EAC.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsu7EAC.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsu7EAC.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsu7EAC.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsu7EAC.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsu7EAC.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsu7EAC.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsu7EAC.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            7dd75ef4a4926bc8fe186112f666d56c

            SHA1

            38375cdf1300f4d9cc0e23eb7e1f02e052a543aa

            SHA256

            f8c4a2dba49178423228623b8444ca99f7121d8277724fa67433f1aa8c9802b3

            SHA512

            2ca00fc8f99085502e0d045b7453c6b2a454b2e6617d0f2a1d39718efa02cd90e41818246aa3cb7968f0fe000e54143770f9013d352f9fc4aa4337b0185baf5f

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            7dd75ef4a4926bc8fe186112f666d56c

            SHA1

            38375cdf1300f4d9cc0e23eb7e1f02e052a543aa

            SHA256

            f8c4a2dba49178423228623b8444ca99f7121d8277724fa67433f1aa8c9802b3

            SHA512

            2ca00fc8f99085502e0d045b7453c6b2a454b2e6617d0f2a1d39718efa02cd90e41818246aa3cb7968f0fe000e54143770f9013d352f9fc4aa4337b0185baf5f

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            7dd75ef4a4926bc8fe186112f666d56c

            SHA1

            38375cdf1300f4d9cc0e23eb7e1f02e052a543aa

            SHA256

            f8c4a2dba49178423228623b8444ca99f7121d8277724fa67433f1aa8c9802b3

            SHA512

            2ca00fc8f99085502e0d045b7453c6b2a454b2e6617d0f2a1d39718efa02cd90e41818246aa3cb7968f0fe000e54143770f9013d352f9fc4aa4337b0185baf5f

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            7dd75ef4a4926bc8fe186112f666d56c

            SHA1

            38375cdf1300f4d9cc0e23eb7e1f02e052a543aa

            SHA256

            f8c4a2dba49178423228623b8444ca99f7121d8277724fa67433f1aa8c9802b3

            SHA512

            2ca00fc8f99085502e0d045b7453c6b2a454b2e6617d0f2a1d39718efa02cd90e41818246aa3cb7968f0fe000e54143770f9013d352f9fc4aa4337b0185baf5f

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            c6efd0d0afa127281e66f8a380b5f652

            SHA1

            358522af209257f183894765655ebe021bc310ec

            SHA256

            1fca55086951d8066289bc27bcea52c38f30ef70e7897c62b91b9ae1171e059f

            SHA512

            0b17d9003c43ceb92633ca17529158da2021e4bb4d72442929aab3607ad8b7c803a75ec7d52b59cf5bad1756cd5dbe45df08cbf92a354c725d4b00195735228c

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            c6efd0d0afa127281e66f8a380b5f652

            SHA1

            358522af209257f183894765655ebe021bc310ec

            SHA256

            1fca55086951d8066289bc27bcea52c38f30ef70e7897c62b91b9ae1171e059f

            SHA512

            0b17d9003c43ceb92633ca17529158da2021e4bb4d72442929aab3607ad8b7c803a75ec7d52b59cf5bad1756cd5dbe45df08cbf92a354c725d4b00195735228c

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            c6efd0d0afa127281e66f8a380b5f652

            SHA1

            358522af209257f183894765655ebe021bc310ec

            SHA256

            1fca55086951d8066289bc27bcea52c38f30ef70e7897c62b91b9ae1171e059f

            SHA512

            0b17d9003c43ceb92633ca17529158da2021e4bb4d72442929aab3607ad8b7c803a75ec7d52b59cf5bad1756cd5dbe45df08cbf92a354c725d4b00195735228c

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            d2e850fb7ed0a387dc41e32fbc001847

            SHA1

            52d9380633786bce8243113361cb7d8232916c26

            SHA256

            47bb892161a7927f8ce2d3e9ea6c631fcf1b5f7e84a7a500b321445ad7269ca5

            SHA512

            7a9d4b23d4337964553684640e1dfd1fb28b54dad42327005dc19cd432be73f003fcdadd30998fc8bd8178978204eb72739f27b6d6daf855b809d13217ebc9bd

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            d2e850fb7ed0a387dc41e32fbc001847

            SHA1

            52d9380633786bce8243113361cb7d8232916c26

            SHA256

            47bb892161a7927f8ce2d3e9ea6c631fcf1b5f7e84a7a500b321445ad7269ca5

            SHA512

            7a9d4b23d4337964553684640e1dfd1fb28b54dad42327005dc19cd432be73f003fcdadd30998fc8bd8178978204eb72739f27b6d6daf855b809d13217ebc9bd

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            3dd3507a82e2379896cb44f8a71b5c6a

            SHA1

            b8eedf0825a0ca22e3e8f3a56af1fbbce4c41107

            SHA256

            a43db668b15ba8dd82edfd1302fc07feacdc08928c65318fbca5166ea0e84665

            SHA512

            c131da194db61a912538cad6657110331628f76424968261c341c0f45441b1c5c43237716ae04c0cdb8a3c71c1458c22aa05a297cb30660e090eb6bdf39abadd

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            3dd3507a82e2379896cb44f8a71b5c6a

            SHA1

            b8eedf0825a0ca22e3e8f3a56af1fbbce4c41107

            SHA256

            a43db668b15ba8dd82edfd1302fc07feacdc08928c65318fbca5166ea0e84665

            SHA512

            c131da194db61a912538cad6657110331628f76424968261c341c0f45441b1c5c43237716ae04c0cdb8a3c71c1458c22aa05a297cb30660e090eb6bdf39abadd

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            3dd3507a82e2379896cb44f8a71b5c6a

            SHA1

            b8eedf0825a0ca22e3e8f3a56af1fbbce4c41107

            SHA256

            a43db668b15ba8dd82edfd1302fc07feacdc08928c65318fbca5166ea0e84665

            SHA512

            c131da194db61a912538cad6657110331628f76424968261c341c0f45441b1c5c43237716ae04c0cdb8a3c71c1458c22aa05a297cb30660e090eb6bdf39abadd

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            93747471da89d3e3035bad99eaa1c513

            SHA1

            5ed80d81ee5c993b564de46258ce86f7d6bbab1b

            SHA256

            e300aab2b2c11bd368aa087dea21476d29107e552c17bc560892642298266c47

            SHA512

            8ebe92bf21166b643394dd9c5558f98c9df835339cd966a3c7c8d3985f4e11f3c9c571b8c54a12f02717e6d4fa40445365288d4692222fd52ebf6067cc166786

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            93747471da89d3e3035bad99eaa1c513

            SHA1

            5ed80d81ee5c993b564de46258ce86f7d6bbab1b

            SHA256

            e300aab2b2c11bd368aa087dea21476d29107e552c17bc560892642298266c47

            SHA512

            8ebe92bf21166b643394dd9c5558f98c9df835339cd966a3c7c8d3985f4e11f3c9c571b8c54a12f02717e6d4fa40445365288d4692222fd52ebf6067cc166786

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            93747471da89d3e3035bad99eaa1c513

            SHA1

            5ed80d81ee5c993b564de46258ce86f7d6bbab1b

            SHA256

            e300aab2b2c11bd368aa087dea21476d29107e552c17bc560892642298266c47

            SHA512

            8ebe92bf21166b643394dd9c5558f98c9df835339cd966a3c7c8d3985f4e11f3c9c571b8c54a12f02717e6d4fa40445365288d4692222fd52ebf6067cc166786

          • memory/1208-153-0x0000000000000000-mapping.dmp

          • memory/2196-141-0x0000000000000000-mapping.dmp

          • memory/2208-166-0x0000000000000000-mapping.dmp

          • memory/2652-147-0x0000000000000000-mapping.dmp

          • memory/3064-159-0x0000000000000000-mapping.dmp

          • memory/3204-165-0x0000000000000000-mapping.dmp

          • memory/3476-158-0x0000000000000000-mapping.dmp

          • memory/3836-132-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/3836-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4592-136-0x0000000000000000-mapping.dmp

          • memory/4764-137-0x0000000000000000-mapping.dmp

          • memory/4868-140-0x0000000000000000-mapping.dmp

          • memory/4960-142-0x0000000000000000-mapping.dmp