Analysis

  • max time kernel
    152s
  • max time network
    174s
  • 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 10:25

General

  • Target

    60ffd5d4051aa0ca667e23167fb8e60d7493ce42b52ed5eebe3c74ff0235f9c9.exe

  • Size

    602KB

  • MD5

    143c6e4075e6aa95949b30def61fcab8

  • SHA1

    8ceca2eca78c99d7adf9714df8916521eac5d8c2

  • SHA256

    60ffd5d4051aa0ca667e23167fb8e60d7493ce42b52ed5eebe3c74ff0235f9c9

  • SHA512

    eb99aaab59f7c46eef685b2fddd341985c73f38dc2f813ea0342ab44dcc5cf20a5bc51f40c083621fa50d594bbf6af22da95cfd2874eba5787ec42e317a5a17b

  • SSDEEP

    12288:WIny5DYTWcg7LzCUy6aHW9XX6tPhb5e6C8p:YUTWd7CjVHW9XEPh9e

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\60ffd5d4051aa0ca667e23167fb8e60d7493ce42b52ed5eebe3c74ff0235f9c9.exe
    "C:\Users\Admin\AppData\Local\Temp\60ffd5d4051aa0ca667e23167fb8e60d7493ce42b52ed5eebe3c74ff0235f9c9.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:5000
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5044
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:4772
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4888
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:2148
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2308
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:5028
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:2992
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1792
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:204
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:972
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:2428
          • 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:1188
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:2692

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsfC78D.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsfC78D.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsfC78D.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsfC78D.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsfC78D.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsfC78D.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsfC78D.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsfC78D.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsfC78D.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            a737843e9db100f384e2716a8684bc99

            SHA1

            c85260ec5cfdbae7f2c40bcc4af6001d1d4cfdcb

            SHA256

            158d110f1720e72585b85fcb53136d49a41623ff97ba39d8fb2cf32fc5547a15

            SHA512

            610d3416e1a3912ae9b15d9eae68fdc757e5e00f820836a24ec1d2d622235a3f3f0bb9e65ab77272abf4fbe7764fa2fbc2aa6544a518b5ef1dd3906cc40f2be5

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            a737843e9db100f384e2716a8684bc99

            SHA1

            c85260ec5cfdbae7f2c40bcc4af6001d1d4cfdcb

            SHA256

            158d110f1720e72585b85fcb53136d49a41623ff97ba39d8fb2cf32fc5547a15

            SHA512

            610d3416e1a3912ae9b15d9eae68fdc757e5e00f820836a24ec1d2d622235a3f3f0bb9e65ab77272abf4fbe7764fa2fbc2aa6544a518b5ef1dd3906cc40f2be5

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            a737843e9db100f384e2716a8684bc99

            SHA1

            c85260ec5cfdbae7f2c40bcc4af6001d1d4cfdcb

            SHA256

            158d110f1720e72585b85fcb53136d49a41623ff97ba39d8fb2cf32fc5547a15

            SHA512

            610d3416e1a3912ae9b15d9eae68fdc757e5e00f820836a24ec1d2d622235a3f3f0bb9e65ab77272abf4fbe7764fa2fbc2aa6544a518b5ef1dd3906cc40f2be5

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            a737843e9db100f384e2716a8684bc99

            SHA1

            c85260ec5cfdbae7f2c40bcc4af6001d1d4cfdcb

            SHA256

            158d110f1720e72585b85fcb53136d49a41623ff97ba39d8fb2cf32fc5547a15

            SHA512

            610d3416e1a3912ae9b15d9eae68fdc757e5e00f820836a24ec1d2d622235a3f3f0bb9e65ab77272abf4fbe7764fa2fbc2aa6544a518b5ef1dd3906cc40f2be5

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            edb2ccb643366d98501b142267d28b27

            SHA1

            3ac597191c431f9354d8631707feaf3924707309

            SHA256

            1715f11e25836a586a002d3eaef3873eb24107feffbf980025b8132ee89fb656

            SHA512

            fa8bc33d931fe0cf2dacaf53ae7d9d022bd37b3f8f41cc6c76923a6e934f1537ff98caf9de716d2ede9c0cbbbfd0c714ba93a822fa8dd5846a71e0e578614533

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            edb2ccb643366d98501b142267d28b27

            SHA1

            3ac597191c431f9354d8631707feaf3924707309

            SHA256

            1715f11e25836a586a002d3eaef3873eb24107feffbf980025b8132ee89fb656

            SHA512

            fa8bc33d931fe0cf2dacaf53ae7d9d022bd37b3f8f41cc6c76923a6e934f1537ff98caf9de716d2ede9c0cbbbfd0c714ba93a822fa8dd5846a71e0e578614533

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            edb2ccb643366d98501b142267d28b27

            SHA1

            3ac597191c431f9354d8631707feaf3924707309

            SHA256

            1715f11e25836a586a002d3eaef3873eb24107feffbf980025b8132ee89fb656

            SHA512

            fa8bc33d931fe0cf2dacaf53ae7d9d022bd37b3f8f41cc6c76923a6e934f1537ff98caf9de716d2ede9c0cbbbfd0c714ba93a822fa8dd5846a71e0e578614533

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            94f363ed5b113bcbe8c388619ada9f73

            SHA1

            7b4a7d8714c2fa70dffef18683c913d0ac090454

            SHA256

            c7b90b578f36658278aa1de2afd00cd91273139b2ca2025436ee849709a8b0bd

            SHA512

            8d3bba561b05bce84cfffeffd750debfdad145066ae750fe586bb3bcbf13e0708732b91adfa21f6f7dac65eb1574081271146dc567074cd1294972ac78c22eaa

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            94f363ed5b113bcbe8c388619ada9f73

            SHA1

            7b4a7d8714c2fa70dffef18683c913d0ac090454

            SHA256

            c7b90b578f36658278aa1de2afd00cd91273139b2ca2025436ee849709a8b0bd

            SHA512

            8d3bba561b05bce84cfffeffd750debfdad145066ae750fe586bb3bcbf13e0708732b91adfa21f6f7dac65eb1574081271146dc567074cd1294972ac78c22eaa

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            c5a412f4be34043fe8a5cb28d9ff0d35

            SHA1

            2df3421685b9b46627a6aa7cbadc58a8fa959d7c

            SHA256

            4216fc75a73fb518b73261285958aab41c371131e2185733f119bc5eee709ba2

            SHA512

            ce74b5750abc32014f68c7597b9fe8b1165fac7394436ee14d5edcd7b9c606c29007c130e4aa1520bdb39de9b179b9fb9f41a5b17c2eb3c1c5fde4260b00ac80

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            c5a412f4be34043fe8a5cb28d9ff0d35

            SHA1

            2df3421685b9b46627a6aa7cbadc58a8fa959d7c

            SHA256

            4216fc75a73fb518b73261285958aab41c371131e2185733f119bc5eee709ba2

            SHA512

            ce74b5750abc32014f68c7597b9fe8b1165fac7394436ee14d5edcd7b9c606c29007c130e4aa1520bdb39de9b179b9fb9f41a5b17c2eb3c1c5fde4260b00ac80

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            c5a412f4be34043fe8a5cb28d9ff0d35

            SHA1

            2df3421685b9b46627a6aa7cbadc58a8fa959d7c

            SHA256

            4216fc75a73fb518b73261285958aab41c371131e2185733f119bc5eee709ba2

            SHA512

            ce74b5750abc32014f68c7597b9fe8b1165fac7394436ee14d5edcd7b9c606c29007c130e4aa1520bdb39de9b179b9fb9f41a5b17c2eb3c1c5fde4260b00ac80

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            aaf56f4b724e6e921b696a042b607399

            SHA1

            83db311993c828dcd097d043f6b717a7b7cd5c72

            SHA256

            c6455df52c457beb7392225f599b624f7806b8a334deb8f87b8d452513e7e4aa

            SHA512

            b15bf097e0687beda4f0bda58bd207e1172fbcbb25fdc4187da3033ec5878752cd57d0665b380667d688067ed503b1feb5acd4e34808873ba253622771e9429c

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            aaf56f4b724e6e921b696a042b607399

            SHA1

            83db311993c828dcd097d043f6b717a7b7cd5c72

            SHA256

            c6455df52c457beb7392225f599b624f7806b8a334deb8f87b8d452513e7e4aa

            SHA512

            b15bf097e0687beda4f0bda58bd207e1172fbcbb25fdc4187da3033ec5878752cd57d0665b380667d688067ed503b1feb5acd4e34808873ba253622771e9429c

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            aaf56f4b724e6e921b696a042b607399

            SHA1

            83db311993c828dcd097d043f6b717a7b7cd5c72

            SHA256

            c6455df52c457beb7392225f599b624f7806b8a334deb8f87b8d452513e7e4aa

            SHA512

            b15bf097e0687beda4f0bda58bd207e1172fbcbb25fdc4187da3033ec5878752cd57d0665b380667d688067ed503b1feb5acd4e34808873ba253622771e9429c

          • memory/204-159-0x0000000000000000-mapping.dmp

          • memory/972-165-0x0000000000000000-mapping.dmp

          • memory/1792-158-0x0000000000000000-mapping.dmp

          • memory/2148-141-0x0000000000000000-mapping.dmp

          • memory/2308-142-0x0000000000000000-mapping.dmp

          • memory/2428-166-0x0000000000000000-mapping.dmp

          • memory/2992-153-0x0000000000000000-mapping.dmp

          • memory/4772-137-0x0000000000000000-mapping.dmp

          • memory/4888-140-0x0000000000000000-mapping.dmp

          • memory/5000-132-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/5000-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/5028-147-0x0000000000000000-mapping.dmp

          • memory/5044-136-0x0000000000000000-mapping.dmp