Analysis

  • max time kernel
    191s
  • max time network
    203s
  • 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 10:56

General

  • Target

    54abd2edb025be1c6b228fc77651c6f6e0ad3d8a2e5c3ccc79397db454ac3f7d.exe

  • Size

    446KB

  • MD5

    c707fea18751581a1dff8663e968811d

  • SHA1

    f5facd607387de51e8a82ea21f33bf58552e55e8

  • SHA256

    54abd2edb025be1c6b228fc77651c6f6e0ad3d8a2e5c3ccc79397db454ac3f7d

  • SHA512

    290ba962c7f460c66baec8759015fee3b0f25c0a09a82e95ddda9a08854227a202f60f7355db4cf8d640870db517b7991a5ee4289d6f8a3f020230664276c318

  • SSDEEP

    12288:Ws7wcCpRPx1glVhHQ6Db/4epsBM7IeFAR9JsvQSKcP:WKwnRPA9Dz4b+8eSRUKA

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\54abd2edb025be1c6b228fc77651c6f6e0ad3d8a2e5c3ccc79397db454ac3f7d.exe
    "C:\Users\Admin\AppData\Local\Temp\54abd2edb025be1c6b228fc77651c6f6e0ad3d8a2e5c3ccc79397db454ac3f7d.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:5024
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1500
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:720
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1092
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:3156
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1008
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:5088
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:388
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3552
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:896
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1996
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:4828
          • 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:5076
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:1264

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsu9E84.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsu9E84.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsu9E84.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsu9E84.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsu9E84.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsu9E84.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsu9E84.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsu9E84.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsu9E84.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            c3e339abd620c9f8608d546184708bf2

            SHA1

            88d278756a7025dc6ee2e16d18e93b91ac17a52d

            SHA256

            ae9a2f1b0d1e499d13f0318885a8e658b3ba2eb8fbdcdbe7657542aeb9914270

            SHA512

            2c1f0d530b2519578165e2707a33c3b0ebcac3376683b78ec88804a777407774351b68bed9fc827d547ac190e2eb38ff062936210b671d38eb7d65cd96fffc65

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            c3e339abd620c9f8608d546184708bf2

            SHA1

            88d278756a7025dc6ee2e16d18e93b91ac17a52d

            SHA256

            ae9a2f1b0d1e499d13f0318885a8e658b3ba2eb8fbdcdbe7657542aeb9914270

            SHA512

            2c1f0d530b2519578165e2707a33c3b0ebcac3376683b78ec88804a777407774351b68bed9fc827d547ac190e2eb38ff062936210b671d38eb7d65cd96fffc65

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            c3e339abd620c9f8608d546184708bf2

            SHA1

            88d278756a7025dc6ee2e16d18e93b91ac17a52d

            SHA256

            ae9a2f1b0d1e499d13f0318885a8e658b3ba2eb8fbdcdbe7657542aeb9914270

            SHA512

            2c1f0d530b2519578165e2707a33c3b0ebcac3376683b78ec88804a777407774351b68bed9fc827d547ac190e2eb38ff062936210b671d38eb7d65cd96fffc65

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            c3e339abd620c9f8608d546184708bf2

            SHA1

            88d278756a7025dc6ee2e16d18e93b91ac17a52d

            SHA256

            ae9a2f1b0d1e499d13f0318885a8e658b3ba2eb8fbdcdbe7657542aeb9914270

            SHA512

            2c1f0d530b2519578165e2707a33c3b0ebcac3376683b78ec88804a777407774351b68bed9fc827d547ac190e2eb38ff062936210b671d38eb7d65cd96fffc65

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            c0ebdab4439d7b4915afd779e8e1b03f

            SHA1

            3f58e6bc7f70f97d2c9e4b90d06e67a768aa81aa

            SHA256

            692cd189548e2c93bc80efa14592aeee584b9b2a37f4a72a811f931152527f33

            SHA512

            a0b3e29f63dd34aa443be8d325fd9a63d3140b2d1cda1114031946fc2b562effa438ad573212bad6b79b6348087d551faddf3052bc697ba7422a14271b1eace1

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            c0ebdab4439d7b4915afd779e8e1b03f

            SHA1

            3f58e6bc7f70f97d2c9e4b90d06e67a768aa81aa

            SHA256

            692cd189548e2c93bc80efa14592aeee584b9b2a37f4a72a811f931152527f33

            SHA512

            a0b3e29f63dd34aa443be8d325fd9a63d3140b2d1cda1114031946fc2b562effa438ad573212bad6b79b6348087d551faddf3052bc697ba7422a14271b1eace1

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            c0ebdab4439d7b4915afd779e8e1b03f

            SHA1

            3f58e6bc7f70f97d2c9e4b90d06e67a768aa81aa

            SHA256

            692cd189548e2c93bc80efa14592aeee584b9b2a37f4a72a811f931152527f33

            SHA512

            a0b3e29f63dd34aa443be8d325fd9a63d3140b2d1cda1114031946fc2b562effa438ad573212bad6b79b6348087d551faddf3052bc697ba7422a14271b1eace1

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            80b33fad7a1cef3d3c90c97a15ec3ef2

            SHA1

            472bd8f37fbba3a72b6f28f64b708f9330ec2e62

            SHA256

            a1cb293f41fd8b54f0b81c10db470bdffd7e7d0b9ac05440fabaad07722371c8

            SHA512

            1e78176332702724c0e7413816a9ae4af5a139abb8a2588a915fc036b2e98aec24ba322ff71f8befff22d485eb389c350d3d083a91dc8aad1385e10bd8442400

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            80b33fad7a1cef3d3c90c97a15ec3ef2

            SHA1

            472bd8f37fbba3a72b6f28f64b708f9330ec2e62

            SHA256

            a1cb293f41fd8b54f0b81c10db470bdffd7e7d0b9ac05440fabaad07722371c8

            SHA512

            1e78176332702724c0e7413816a9ae4af5a139abb8a2588a915fc036b2e98aec24ba322ff71f8befff22d485eb389c350d3d083a91dc8aad1385e10bd8442400

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            094cfa8f2d4be8e365abcd74a1566128

            SHA1

            50788bfb2f79e9c22d9f0407991c6c627b25013e

            SHA256

            57b94e7aed8d1ef82ae5562841f55f1d92b16c9774b88fdba47b04e6c1aa1dae

            SHA512

            2f1a4e9669fe0b473b3b886e3721a372b97e4f48b0b37e58d4a21f83399285c3b1ffc4ec67b361f8d1cd80fd0cb366943f10e95bb3cc7e6472556301d588e021

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            094cfa8f2d4be8e365abcd74a1566128

            SHA1

            50788bfb2f79e9c22d9f0407991c6c627b25013e

            SHA256

            57b94e7aed8d1ef82ae5562841f55f1d92b16c9774b88fdba47b04e6c1aa1dae

            SHA512

            2f1a4e9669fe0b473b3b886e3721a372b97e4f48b0b37e58d4a21f83399285c3b1ffc4ec67b361f8d1cd80fd0cb366943f10e95bb3cc7e6472556301d588e021

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            094cfa8f2d4be8e365abcd74a1566128

            SHA1

            50788bfb2f79e9c22d9f0407991c6c627b25013e

            SHA256

            57b94e7aed8d1ef82ae5562841f55f1d92b16c9774b88fdba47b04e6c1aa1dae

            SHA512

            2f1a4e9669fe0b473b3b886e3721a372b97e4f48b0b37e58d4a21f83399285c3b1ffc4ec67b361f8d1cd80fd0cb366943f10e95bb3cc7e6472556301d588e021

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            34495b52bae8ae9703f60d7e5d176d32

            SHA1

            34af6197885fda694695d51670ad7c3aafd11edf

            SHA256

            e886225aea224b66eb1e6f92f64940fa9d6d4d643da2f55a1307b49ee6e69f39

            SHA512

            dccbbddb98a1efa40b0ad808c069e99efcf33513c2cf18f975ae7a7d2df5a8e0e3c50f8d53e6478de96d17cbc8c014185e8f7e3caff4b0753d9eb4748d200228

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            34495b52bae8ae9703f60d7e5d176d32

            SHA1

            34af6197885fda694695d51670ad7c3aafd11edf

            SHA256

            e886225aea224b66eb1e6f92f64940fa9d6d4d643da2f55a1307b49ee6e69f39

            SHA512

            dccbbddb98a1efa40b0ad808c069e99efcf33513c2cf18f975ae7a7d2df5a8e0e3c50f8d53e6478de96d17cbc8c014185e8f7e3caff4b0753d9eb4748d200228

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            34495b52bae8ae9703f60d7e5d176d32

            SHA1

            34af6197885fda694695d51670ad7c3aafd11edf

            SHA256

            e886225aea224b66eb1e6f92f64940fa9d6d4d643da2f55a1307b49ee6e69f39

            SHA512

            dccbbddb98a1efa40b0ad808c069e99efcf33513c2cf18f975ae7a7d2df5a8e0e3c50f8d53e6478de96d17cbc8c014185e8f7e3caff4b0753d9eb4748d200228

          • memory/388-152-0x0000000000000000-mapping.dmp

          • memory/720-136-0x0000000000000000-mapping.dmp

          • memory/896-158-0x0000000000000000-mapping.dmp

          • memory/1008-141-0x0000000000000000-mapping.dmp

          • memory/1092-139-0x0000000000000000-mapping.dmp

          • memory/1500-135-0x0000000000000000-mapping.dmp

          • memory/1996-164-0x0000000000000000-mapping.dmp

          • memory/3156-140-0x0000000000000000-mapping.dmp

          • memory/3552-157-0x0000000000000000-mapping.dmp

          • memory/4828-165-0x0000000000000000-mapping.dmp

          • memory/5088-146-0x0000000000000000-mapping.dmp