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Analysis

  • max time kernel
    180s
  • max time network
    211s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/11/2022, 05:41

General

  • Target

    412844730254df9b1fd28b9c90fe73ac791b52471dfc996dddb726c2a78bd993.exe

  • Size

    603KB

  • MD5

    27b61f3f8cfaae131b75e301394aa457

  • SHA1

    753eaa59569e9e99b6201af28ef04fd6f03823ad

  • SHA256

    412844730254df9b1fd28b9c90fe73ac791b52471dfc996dddb726c2a78bd993

  • SHA512

    d5b6c08f8aeb0bd0b09b2747d00fd73d9f2fe4d3b3344965774587431616538f44a6ab08f5071359b7c8b193b5259f4b85a13a738335eaff4763f6349cca46e2

  • SSDEEP

    12288:6Iny5DYT9TKrM+KirL7YF8TXhhgazEitZHNg/J4xgCBdH8wB5t:cUT92rXR3YF8TXwn4ZYJ4PdHzB5t

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\412844730254df9b1fd28b9c90fe73ac791b52471dfc996dddb726c2a78bd993.exe
    "C:\Users\Admin\AppData\Local\Temp\412844730254df9b1fd28b9c90fe73ac791b52471dfc996dddb726c2a78bd993.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:780
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4644
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:552
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3548
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:756
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:3780
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1964
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:4400
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4724
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:1428
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:692
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:3988
          • 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:956
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:4688

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsv7A43.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsv7A43.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsv7A43.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsv7A43.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsv7A43.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsv7A43.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsv7A43.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsv7A43.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsv7A43.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            a86365c09e4a58cbaa920720a417c46b

            SHA1

            81646754ed5682a519c9863a5937606d48317c50

            SHA256

            84ee859b6c7aba61976062aa077832b687ed021f369bdaff5c9f0427c685a44c

            SHA512

            3b44e4ac1f28b76b534632ad896393af6b8e76db1e4ab831f7d0c8a9cead87d16bbfa03a0e4524f59adc675b58024cd71b6b9753b9089607d10216a0f0c8b446

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            a86365c09e4a58cbaa920720a417c46b

            SHA1

            81646754ed5682a519c9863a5937606d48317c50

            SHA256

            84ee859b6c7aba61976062aa077832b687ed021f369bdaff5c9f0427c685a44c

            SHA512

            3b44e4ac1f28b76b534632ad896393af6b8e76db1e4ab831f7d0c8a9cead87d16bbfa03a0e4524f59adc675b58024cd71b6b9753b9089607d10216a0f0c8b446

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            a86365c09e4a58cbaa920720a417c46b

            SHA1

            81646754ed5682a519c9863a5937606d48317c50

            SHA256

            84ee859b6c7aba61976062aa077832b687ed021f369bdaff5c9f0427c685a44c

            SHA512

            3b44e4ac1f28b76b534632ad896393af6b8e76db1e4ab831f7d0c8a9cead87d16bbfa03a0e4524f59adc675b58024cd71b6b9753b9089607d10216a0f0c8b446

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            a86365c09e4a58cbaa920720a417c46b

            SHA1

            81646754ed5682a519c9863a5937606d48317c50

            SHA256

            84ee859b6c7aba61976062aa077832b687ed021f369bdaff5c9f0427c685a44c

            SHA512

            3b44e4ac1f28b76b534632ad896393af6b8e76db1e4ab831f7d0c8a9cead87d16bbfa03a0e4524f59adc675b58024cd71b6b9753b9089607d10216a0f0c8b446

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            567a5eb01f8e041d39f3f474aa180a9b

            SHA1

            408f77f6dd12e35bf30c22eb994c2c79ac873e39

            SHA256

            3405481c31bdb27c4d1071cf2bf8034e5efa536a43b4a4fe4f406ed5b4727c6f

            SHA512

            5b19a3fbd9a6962b6146aa9b1eadff156dc34422a39fe03e31777d920184e1098f23cd6baffad34fb6a3a7b2760d925cd07adb3b0ac89f8c36a661d6d77bf9de

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            567a5eb01f8e041d39f3f474aa180a9b

            SHA1

            408f77f6dd12e35bf30c22eb994c2c79ac873e39

            SHA256

            3405481c31bdb27c4d1071cf2bf8034e5efa536a43b4a4fe4f406ed5b4727c6f

            SHA512

            5b19a3fbd9a6962b6146aa9b1eadff156dc34422a39fe03e31777d920184e1098f23cd6baffad34fb6a3a7b2760d925cd07adb3b0ac89f8c36a661d6d77bf9de

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            567a5eb01f8e041d39f3f474aa180a9b

            SHA1

            408f77f6dd12e35bf30c22eb994c2c79ac873e39

            SHA256

            3405481c31bdb27c4d1071cf2bf8034e5efa536a43b4a4fe4f406ed5b4727c6f

            SHA512

            5b19a3fbd9a6962b6146aa9b1eadff156dc34422a39fe03e31777d920184e1098f23cd6baffad34fb6a3a7b2760d925cd07adb3b0ac89f8c36a661d6d77bf9de

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            d2691220f21acd2a020d39fc54a7b000

            SHA1

            a4eb41e397a735f976039226bd6cb85e771484db

            SHA256

            6882771363d901518ddc2ff38a9b671cfbddf1ff361643da0d4a17c87bebb160

            SHA512

            5bda2b98a9b3b9fb4284bf5cdcc8f3396ef68615eb8b38d2c5f3d911a222771cb168d5567eed4fa85b81304570e62795f5f717d6390d27b0ed2354e0984dc299

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            d2691220f21acd2a020d39fc54a7b000

            SHA1

            a4eb41e397a735f976039226bd6cb85e771484db

            SHA256

            6882771363d901518ddc2ff38a9b671cfbddf1ff361643da0d4a17c87bebb160

            SHA512

            5bda2b98a9b3b9fb4284bf5cdcc8f3396ef68615eb8b38d2c5f3d911a222771cb168d5567eed4fa85b81304570e62795f5f717d6390d27b0ed2354e0984dc299

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            27a539cc3eed4a56eca7c7b2e68f8034

            SHA1

            758473af2c22eb6646d310393cfb13cc154adf65

            SHA256

            b8ae9edc71a84df80139ed30301247978fceec0e422636fb2f1b25f830181bdd

            SHA512

            8f6a571b9ec0487b0a14e1ea7c4667b1148cc3ebe8e5a1bc1c09e3a8376e496a59265afc1aff52192af8d1615e9859295a859992dcaea05c27d5329986df9f05

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            27a539cc3eed4a56eca7c7b2e68f8034

            SHA1

            758473af2c22eb6646d310393cfb13cc154adf65

            SHA256

            b8ae9edc71a84df80139ed30301247978fceec0e422636fb2f1b25f830181bdd

            SHA512

            8f6a571b9ec0487b0a14e1ea7c4667b1148cc3ebe8e5a1bc1c09e3a8376e496a59265afc1aff52192af8d1615e9859295a859992dcaea05c27d5329986df9f05

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            27a539cc3eed4a56eca7c7b2e68f8034

            SHA1

            758473af2c22eb6646d310393cfb13cc154adf65

            SHA256

            b8ae9edc71a84df80139ed30301247978fceec0e422636fb2f1b25f830181bdd

            SHA512

            8f6a571b9ec0487b0a14e1ea7c4667b1148cc3ebe8e5a1bc1c09e3a8376e496a59265afc1aff52192af8d1615e9859295a859992dcaea05c27d5329986df9f05

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            170c9c3da591b8585f69da92a0c0d4d1

            SHA1

            e8bbab6eba985d95bde469efb124ab48a2dca4d3

            SHA256

            369d5b9bdd500f33f1aaecdfaa22fc2fc72c79397693bed16f65555ab5276d7d

            SHA512

            940d2b951054dfb8dc90a4f491a4c9b3715ff91a38fcffa79544326ce82be80aa55f1ee9ad4096e59ef1ea4ddcc6d08758070dde33464229c7c693985f87baa2

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            170c9c3da591b8585f69da92a0c0d4d1

            SHA1

            e8bbab6eba985d95bde469efb124ab48a2dca4d3

            SHA256

            369d5b9bdd500f33f1aaecdfaa22fc2fc72c79397693bed16f65555ab5276d7d

            SHA512

            940d2b951054dfb8dc90a4f491a4c9b3715ff91a38fcffa79544326ce82be80aa55f1ee9ad4096e59ef1ea4ddcc6d08758070dde33464229c7c693985f87baa2

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            170c9c3da591b8585f69da92a0c0d4d1

            SHA1

            e8bbab6eba985d95bde469efb124ab48a2dca4d3

            SHA256

            369d5b9bdd500f33f1aaecdfaa22fc2fc72c79397693bed16f65555ab5276d7d

            SHA512

            940d2b951054dfb8dc90a4f491a4c9b3715ff91a38fcffa79544326ce82be80aa55f1ee9ad4096e59ef1ea4ddcc6d08758070dde33464229c7c693985f87baa2

          • memory/780-142-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/780-132-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/780-169-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB