Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/11/2022, 15:11

General

  • Target

    2d0f5697d8eaea7812b0d087bc58868e66be138536d324e22937107a65adb2af.exe

  • Size

    561KB

  • MD5

    cb7337b3028a3fa6c8e105f6167469f7

  • SHA1

    c844dee552c8727ac43ae5222475a887edbd5ecf

  • SHA256

    2d0f5697d8eaea7812b0d087bc58868e66be138536d324e22937107a65adb2af

  • SHA512

    6ebe805529549507b6a4b0594daeb40c140d0a4d67e9d13a5963def014bae74e9216e7cfeb3b3508b2ec017735c2dc44e32ff60967c03bb92bbdb62dd922abcc

  • SSDEEP

    12288:CPRYzEbf+vh+bT6Saep7NbmbnDRaRttw0AGBbznsWC4:vzwfZTbaexNbUDRa9wHo8

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\2d0f5697d8eaea7812b0d087bc58868e66be138536d324e22937107a65adb2af.exe
    "C:\Users\Admin\AppData\Local\Temp\2d0f5697d8eaea7812b0d087bc58868e66be138536d324e22937107a65adb2af.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:4992
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4828
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:4812
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2108
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:2876
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2404
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:224
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:1372
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4284
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:3612
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4456
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:4588
          • 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:916
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:4740

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsxCD69.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsxCD69.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsxCD69.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsxCD69.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsxCD69.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsxCD69.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsxCD69.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsxCD69.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsxCD69.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            0a1ff3d6882327a981fecf72364708e2

            SHA1

            a7a295d9f64b8142613ccaa631727c3988eed913

            SHA256

            9896ec5c677c6ef6f8d1b80f1a3e6d83121a7c51d39286e5a63476ff0b3bb37e

            SHA512

            5d31468ea444f62f41a1f6a072fe5fee37f213f77ca72e8c426fde209354dd518abf749f0f24592618ed9ff515bc3880e102d3412a9b3e798ded6189846221ba

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            0a1ff3d6882327a981fecf72364708e2

            SHA1

            a7a295d9f64b8142613ccaa631727c3988eed913

            SHA256

            9896ec5c677c6ef6f8d1b80f1a3e6d83121a7c51d39286e5a63476ff0b3bb37e

            SHA512

            5d31468ea444f62f41a1f6a072fe5fee37f213f77ca72e8c426fde209354dd518abf749f0f24592618ed9ff515bc3880e102d3412a9b3e798ded6189846221ba

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            0a1ff3d6882327a981fecf72364708e2

            SHA1

            a7a295d9f64b8142613ccaa631727c3988eed913

            SHA256

            9896ec5c677c6ef6f8d1b80f1a3e6d83121a7c51d39286e5a63476ff0b3bb37e

            SHA512

            5d31468ea444f62f41a1f6a072fe5fee37f213f77ca72e8c426fde209354dd518abf749f0f24592618ed9ff515bc3880e102d3412a9b3e798ded6189846221ba

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            0a1ff3d6882327a981fecf72364708e2

            SHA1

            a7a295d9f64b8142613ccaa631727c3988eed913

            SHA256

            9896ec5c677c6ef6f8d1b80f1a3e6d83121a7c51d39286e5a63476ff0b3bb37e

            SHA512

            5d31468ea444f62f41a1f6a072fe5fee37f213f77ca72e8c426fde209354dd518abf749f0f24592618ed9ff515bc3880e102d3412a9b3e798ded6189846221ba

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            8afaafc547a97d1eacf6c9a10d985708

            SHA1

            e95becd8985280b4cb63ebbfba991fc07e8d7b91

            SHA256

            b687ae7fdb4aff6b6be43e595e86caf9b07adb16f32805e3eee1faa3096e0765

            SHA512

            345aa55b3698d7e2848013f52b2867255d7a6fb81536da8e965662c49d8801685cc15eb6fac1a1460bc7eded36bb8fd2ef3065f3103309cb1da72f6da459f8af

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            8afaafc547a97d1eacf6c9a10d985708

            SHA1

            e95becd8985280b4cb63ebbfba991fc07e8d7b91

            SHA256

            b687ae7fdb4aff6b6be43e595e86caf9b07adb16f32805e3eee1faa3096e0765

            SHA512

            345aa55b3698d7e2848013f52b2867255d7a6fb81536da8e965662c49d8801685cc15eb6fac1a1460bc7eded36bb8fd2ef3065f3103309cb1da72f6da459f8af

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            8afaafc547a97d1eacf6c9a10d985708

            SHA1

            e95becd8985280b4cb63ebbfba991fc07e8d7b91

            SHA256

            b687ae7fdb4aff6b6be43e595e86caf9b07adb16f32805e3eee1faa3096e0765

            SHA512

            345aa55b3698d7e2848013f52b2867255d7a6fb81536da8e965662c49d8801685cc15eb6fac1a1460bc7eded36bb8fd2ef3065f3103309cb1da72f6da459f8af

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            5df166aef94dba809a66236814e0424d

            SHA1

            0506be38b712e987627f34a615cb72972836e510

            SHA256

            fd34d631b5860b9a890131f020225b8583fb0ea8d0223670e1381d700dae5994

            SHA512

            0f157d500806732fbadc8eed1f25d371641bb99352dc852d5274b317388e582259f72ab9b3d0547729b313e3b9f1dc2f9cf1aae3d798c4974d651fd3b0268a3f

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            5df166aef94dba809a66236814e0424d

            SHA1

            0506be38b712e987627f34a615cb72972836e510

            SHA256

            fd34d631b5860b9a890131f020225b8583fb0ea8d0223670e1381d700dae5994

            SHA512

            0f157d500806732fbadc8eed1f25d371641bb99352dc852d5274b317388e582259f72ab9b3d0547729b313e3b9f1dc2f9cf1aae3d798c4974d651fd3b0268a3f

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            37c2dd963b9790038ae3b549143706dd

            SHA1

            e3e50aabe07ff7631bee7abfadcf16bf0902ed6f

            SHA256

            025acb70a2549faa963abf4f1279948b859e3ce2da6956d3cc5e9c3ef4cd33f6

            SHA512

            91db7b7f8c7d0160f7c7c4bc9977a807640dbf17c22841c471e843dd66b7e0079677da01e2a7002fd0bf62067a8c8b01bd6d7cc39d7ea1f51b728608a62724f2

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            37c2dd963b9790038ae3b549143706dd

            SHA1

            e3e50aabe07ff7631bee7abfadcf16bf0902ed6f

            SHA256

            025acb70a2549faa963abf4f1279948b859e3ce2da6956d3cc5e9c3ef4cd33f6

            SHA512

            91db7b7f8c7d0160f7c7c4bc9977a807640dbf17c22841c471e843dd66b7e0079677da01e2a7002fd0bf62067a8c8b01bd6d7cc39d7ea1f51b728608a62724f2

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            37c2dd963b9790038ae3b549143706dd

            SHA1

            e3e50aabe07ff7631bee7abfadcf16bf0902ed6f

            SHA256

            025acb70a2549faa963abf4f1279948b859e3ce2da6956d3cc5e9c3ef4cd33f6

            SHA512

            91db7b7f8c7d0160f7c7c4bc9977a807640dbf17c22841c471e843dd66b7e0079677da01e2a7002fd0bf62067a8c8b01bd6d7cc39d7ea1f51b728608a62724f2

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            4460aefd968c0835dcabc39f87f62a87

            SHA1

            76c3d4db05ee5e83eb72b0bf0c41a399b065899b

            SHA256

            3588790efe6b51a59073ccde7269308094a2718ffe688db4d9655e3e0bb58a19

            SHA512

            ff25b0796544a962f2cf2fb455f58eb9064090be15364549051c9f28c0e3d45ed89036459f6216a446022c06ee795b7c169ae75df55f0d07e5eaafa29dff1d16

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            4460aefd968c0835dcabc39f87f62a87

            SHA1

            76c3d4db05ee5e83eb72b0bf0c41a399b065899b

            SHA256

            3588790efe6b51a59073ccde7269308094a2718ffe688db4d9655e3e0bb58a19

            SHA512

            ff25b0796544a962f2cf2fb455f58eb9064090be15364549051c9f28c0e3d45ed89036459f6216a446022c06ee795b7c169ae75df55f0d07e5eaafa29dff1d16

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            4460aefd968c0835dcabc39f87f62a87

            SHA1

            76c3d4db05ee5e83eb72b0bf0c41a399b065899b

            SHA256

            3588790efe6b51a59073ccde7269308094a2718ffe688db4d9655e3e0bb58a19

            SHA512

            ff25b0796544a962f2cf2fb455f58eb9064090be15364549051c9f28c0e3d45ed89036459f6216a446022c06ee795b7c169ae75df55f0d07e5eaafa29dff1d16

          • memory/4992-137-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4992-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB