Analysis

  • max time kernel
    65s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 10:09

General

  • Target

    e6010996b2544e1e7328284c108ae1a6a8b4e39c622918bcaaef7aba978e77ae.exe

  • Size

    603KB

  • MD5

    2dc1ba1cdd755d48fc311e17f9632368

  • SHA1

    2ccd3cd8727b4f518e1cb1de3656199b8d416513

  • SHA256

    e6010996b2544e1e7328284c108ae1a6a8b4e39c622918bcaaef7aba978e77ae

  • SHA512

    31d66235d22357dd58fdef573589f30f691d91a2eddc2665a5fabb164e610c56038abfc435c7c392a5df74d6b1b0a1bd3620415d49f248d7cb8f5742f507852e

  • SSDEEP

    12288:fIny5DYTarw5nlNrBYT4z02ZFx4fxudyF9VWC0qrbeoyjFM:HUTarkTt0CFxOusWC0bFM

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 13 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.

  • Runs net.exe
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e6010996b2544e1e7328284c108ae1a6a8b4e39c622918bcaaef7aba978e77ae.exe
    "C:\Users\Admin\AppData\Local\Temp\e6010996b2544e1e7328284c108ae1a6a8b4e39c622918bcaaef7aba978e77ae.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:848
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1156
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:1064
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1660
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:584
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:984
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1696
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:1648
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1568
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:240
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1412
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:1528
          • C:\Windows\SysWOW64\nethtsrv.exe
            C:\Windows\SysWOW64\nethtsrv.exe
            1⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of AdjustPrivilegeToken
            PID:1884
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:912

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            4028404876d77579326ba1c6964f74f3

            SHA1

            bab5083565a1c899a3268e9d956e4b86d2194da2

            SHA256

            e48954990220ffe2c407d36764f999b236398455559ad0d4b123e532b5c43740

            SHA512

            857c6343814038861f5cd491ee9f5042c27ecab1c26ea8c2355a85347fd080b17d3b79188f2a4fdf69ac080cc14d6770596c4bfc54786b1c3775afccd1651cdd

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            251212ed478e9b545f25c6f4027f2b0a

            SHA1

            8bedd137093da36e751b0e892b1e2cc4782ac967

            SHA256

            5e7d2d92ca7dbc1f9b6df173689fc6dd9e5604a06d698ce031b785d53900b258

            SHA512

            c007606fbe5d1e1f904c24c95ebdd1bfd2b578b5f6b4432a161eab61bde9a66676ba5eeeb1a987b9639acaff0f8b1964500e0d19cee25c199cdb6f0527631e40

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            80868d51a2ea0d79e6fc9f322be1cf32

            SHA1

            22b1d4480067971356547fffe263053b5c1e106a

            SHA256

            64d7c70e97cc03ae94ed0dbc8a7ece5807b09db39926f483afe64f808db3dd9d

            SHA512

            6aee06b8d097e22640b707494ac88fa788c9cb8581713f14495ddaa3c7428b2109a89e039a5b04378b24addd18af9b1f48f043887f5e9e6a0906af01967af40a

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            454ea9ed3018c930bdb9d7e990ba7e07

            SHA1

            0c7ae891091205f788d2c3f57c2f780ff8aa4da7

            SHA256

            94dc316256fb4e34178d4b62cacb2be83fea2714f27d48b24a5e5457e26b9bc9

            SHA512

            dc671f08a04eda0659decae30ed9ee7cd786d187fe8032095ffdb811bf58e7c37b97d3af6625db00034074ff30792bf84fd1fb625cc448186cd83c12401d82bd

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            454ea9ed3018c930bdb9d7e990ba7e07

            SHA1

            0c7ae891091205f788d2c3f57c2f780ff8aa4da7

            SHA256

            94dc316256fb4e34178d4b62cacb2be83fea2714f27d48b24a5e5457e26b9bc9

            SHA512

            dc671f08a04eda0659decae30ed9ee7cd786d187fe8032095ffdb811bf58e7c37b97d3af6625db00034074ff30792bf84fd1fb625cc448186cd83c12401d82bd

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            070b787abf345a062350171fc02a24d7

            SHA1

            1b51674b9cd154c6089b777fecbf77983996565c

            SHA256

            9698cf7bf92a3dd07eeb9107497ced42768f4b0d870df6cc0e065985802b24bf

            SHA512

            1e2c53c3a2e8e5d6b5c3120ff0cb700572e47a0d16fdab3deff69e4ee5e40327317dc75a56addf22fcf5c4d4dcce6cc7c085080bf8815a408cd7117bae939362

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            070b787abf345a062350171fc02a24d7

            SHA1

            1b51674b9cd154c6089b777fecbf77983996565c

            SHA256

            9698cf7bf92a3dd07eeb9107497ced42768f4b0d870df6cc0e065985802b24bf

            SHA512

            1e2c53c3a2e8e5d6b5c3120ff0cb700572e47a0d16fdab3deff69e4ee5e40327317dc75a56addf22fcf5c4d4dcce6cc7c085080bf8815a408cd7117bae939362

          • \Users\Admin\AppData\Local\Temp\nstB78F.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • \Users\Admin\AppData\Local\Temp\nstB78F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nstB78F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nstB78F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nstB78F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            4028404876d77579326ba1c6964f74f3

            SHA1

            bab5083565a1c899a3268e9d956e4b86d2194da2

            SHA256

            e48954990220ffe2c407d36764f999b236398455559ad0d4b123e532b5c43740

            SHA512

            857c6343814038861f5cd491ee9f5042c27ecab1c26ea8c2355a85347fd080b17d3b79188f2a4fdf69ac080cc14d6770596c4bfc54786b1c3775afccd1651cdd

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            4028404876d77579326ba1c6964f74f3

            SHA1

            bab5083565a1c899a3268e9d956e4b86d2194da2

            SHA256

            e48954990220ffe2c407d36764f999b236398455559ad0d4b123e532b5c43740

            SHA512

            857c6343814038861f5cd491ee9f5042c27ecab1c26ea8c2355a85347fd080b17d3b79188f2a4fdf69ac080cc14d6770596c4bfc54786b1c3775afccd1651cdd

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            4028404876d77579326ba1c6964f74f3

            SHA1

            bab5083565a1c899a3268e9d956e4b86d2194da2

            SHA256

            e48954990220ffe2c407d36764f999b236398455559ad0d4b123e532b5c43740

            SHA512

            857c6343814038861f5cd491ee9f5042c27ecab1c26ea8c2355a85347fd080b17d3b79188f2a4fdf69ac080cc14d6770596c4bfc54786b1c3775afccd1651cdd

          • \Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            251212ed478e9b545f25c6f4027f2b0a

            SHA1

            8bedd137093da36e751b0e892b1e2cc4782ac967

            SHA256

            5e7d2d92ca7dbc1f9b6df173689fc6dd9e5604a06d698ce031b785d53900b258

            SHA512

            c007606fbe5d1e1f904c24c95ebdd1bfd2b578b5f6b4432a161eab61bde9a66676ba5eeeb1a987b9639acaff0f8b1964500e0d19cee25c199cdb6f0527631e40

          • \Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            251212ed478e9b545f25c6f4027f2b0a

            SHA1

            8bedd137093da36e751b0e892b1e2cc4782ac967

            SHA256

            5e7d2d92ca7dbc1f9b6df173689fc6dd9e5604a06d698ce031b785d53900b258

            SHA512

            c007606fbe5d1e1f904c24c95ebdd1bfd2b578b5f6b4432a161eab61bde9a66676ba5eeeb1a987b9639acaff0f8b1964500e0d19cee25c199cdb6f0527631e40

          • \Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            80868d51a2ea0d79e6fc9f322be1cf32

            SHA1

            22b1d4480067971356547fffe263053b5c1e106a

            SHA256

            64d7c70e97cc03ae94ed0dbc8a7ece5807b09db39926f483afe64f808db3dd9d

            SHA512

            6aee06b8d097e22640b707494ac88fa788c9cb8581713f14495ddaa3c7428b2109a89e039a5b04378b24addd18af9b1f48f043887f5e9e6a0906af01967af40a

          • \Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            454ea9ed3018c930bdb9d7e990ba7e07

            SHA1

            0c7ae891091205f788d2c3f57c2f780ff8aa4da7

            SHA256

            94dc316256fb4e34178d4b62cacb2be83fea2714f27d48b24a5e5457e26b9bc9

            SHA512

            dc671f08a04eda0659decae30ed9ee7cd786d187fe8032095ffdb811bf58e7c37b97d3af6625db00034074ff30792bf84fd1fb625cc448186cd83c12401d82bd

          • \Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            070b787abf345a062350171fc02a24d7

            SHA1

            1b51674b9cd154c6089b777fecbf77983996565c

            SHA256

            9698cf7bf92a3dd07eeb9107497ced42768f4b0d870df6cc0e065985802b24bf

            SHA512

            1e2c53c3a2e8e5d6b5c3120ff0cb700572e47a0d16fdab3deff69e4ee5e40327317dc75a56addf22fcf5c4d4dcce6cc7c085080bf8815a408cd7117bae939362

          • memory/240-82-0x0000000000000000-mapping.dmp

          • memory/584-62-0x0000000000000000-mapping.dmp

          • memory/848-91-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/848-69-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/848-54-0x00000000766F1000-0x00000000766F3000-memory.dmp

            Filesize

            8KB

          • memory/848-59-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/984-64-0x0000000000000000-mapping.dmp

          • memory/1064-58-0x0000000000000000-mapping.dmp

          • memory/1156-57-0x0000000000000000-mapping.dmp

          • memory/1412-87-0x0000000000000000-mapping.dmp

          • memory/1528-88-0x0000000000000000-mapping.dmp

          • memory/1568-81-0x0000000000000000-mapping.dmp

          • memory/1648-77-0x0000000000000000-mapping.dmp

          • memory/1660-61-0x0000000000000000-mapping.dmp

          • memory/1696-71-0x0000000000000000-mapping.dmp