Analysis

  • max time kernel
    161s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/11/2022, 05:59

General

  • Target

    fface8fd30fd082bd9b73ecc55eeffa45a8da7f9b6d7580f54e6f899e8723122.exe

  • Size

    695KB

  • MD5

    f5711ee53cc24f523e267d907c9ae0c8

  • SHA1

    1b8ca7db3b69fb6cde7aad4244f030661ca86dbe

  • SHA256

    fface8fd30fd082bd9b73ecc55eeffa45a8da7f9b6d7580f54e6f899e8723122

  • SHA512

    54e26069507b3d4ff886723929cfde78bbde9d1da1981f3d447a9ec00dcf8961da6e17275df497314f5da0167bef1a3dff1ffc3c345c70fc5b0c668436e48b7a

  • SSDEEP

    12288:0Abu3fQ+thk6Ezvbf1yrerCOKqGXrq1ijDWm39CIT9mOCI7U1dz:0AbuPPEzzf4eeOK/rsiD/Ci9mO7o

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\fface8fd30fd082bd9b73ecc55eeffa45a8da7f9b6d7580f54e6f899e8723122.exe
    "C:\Users\Admin\AppData\Local\Temp\fface8fd30fd082bd9b73ecc55eeffa45a8da7f9b6d7580f54e6f899e8723122.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:1236
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:836
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:4768
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4420
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:4928
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4912
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:516
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:452
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4224
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:416
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2436
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:1616
          • 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:1780
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:1692

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nszC76D.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nszC76D.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nszC76D.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nszC76D.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nszC76D.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nszC76D.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nszC76D.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nszC76D.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nszC76D.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            dfb76a660d8989475aa4c292133d1dd1

            SHA1

            7690aebd8fd5551deb10145169eef78af30c964e

            SHA256

            0588d6f23b55b92cff6b8b61d35c01f3df8fe66fc1824c4a8b7d3ef3467d4960

            SHA512

            cf45ef2044e450c59ba8ebb20c837390f7b43dc4880334e620f0006a1b183f259e24ad23f7bd696ffe8ee74e7e7234ef9a8c3789b050dc0f01f97e45579ee3ae

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            dfb76a660d8989475aa4c292133d1dd1

            SHA1

            7690aebd8fd5551deb10145169eef78af30c964e

            SHA256

            0588d6f23b55b92cff6b8b61d35c01f3df8fe66fc1824c4a8b7d3ef3467d4960

            SHA512

            cf45ef2044e450c59ba8ebb20c837390f7b43dc4880334e620f0006a1b183f259e24ad23f7bd696ffe8ee74e7e7234ef9a8c3789b050dc0f01f97e45579ee3ae

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            dfb76a660d8989475aa4c292133d1dd1

            SHA1

            7690aebd8fd5551deb10145169eef78af30c964e

            SHA256

            0588d6f23b55b92cff6b8b61d35c01f3df8fe66fc1824c4a8b7d3ef3467d4960

            SHA512

            cf45ef2044e450c59ba8ebb20c837390f7b43dc4880334e620f0006a1b183f259e24ad23f7bd696ffe8ee74e7e7234ef9a8c3789b050dc0f01f97e45579ee3ae

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            dfb76a660d8989475aa4c292133d1dd1

            SHA1

            7690aebd8fd5551deb10145169eef78af30c964e

            SHA256

            0588d6f23b55b92cff6b8b61d35c01f3df8fe66fc1824c4a8b7d3ef3467d4960

            SHA512

            cf45ef2044e450c59ba8ebb20c837390f7b43dc4880334e620f0006a1b183f259e24ad23f7bd696ffe8ee74e7e7234ef9a8c3789b050dc0f01f97e45579ee3ae

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            fa231fb3835c6babbab922e667d60176

            SHA1

            1c5df587444c5119b75cd12fccaf8253fd9db191

            SHA256

            fc3078b52b415ce75c78e9425c60514d52d22b8ff1205c22271c205b02112496

            SHA512

            9490f189d69bb47f25a47ee976602eab6136f3402b8f310ea39c032b830e98231582deddbf51f73e67e9706c5bec4b333afcb37042c1cb0b219063412e867983

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            fa231fb3835c6babbab922e667d60176

            SHA1

            1c5df587444c5119b75cd12fccaf8253fd9db191

            SHA256

            fc3078b52b415ce75c78e9425c60514d52d22b8ff1205c22271c205b02112496

            SHA512

            9490f189d69bb47f25a47ee976602eab6136f3402b8f310ea39c032b830e98231582deddbf51f73e67e9706c5bec4b333afcb37042c1cb0b219063412e867983

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            fa231fb3835c6babbab922e667d60176

            SHA1

            1c5df587444c5119b75cd12fccaf8253fd9db191

            SHA256

            fc3078b52b415ce75c78e9425c60514d52d22b8ff1205c22271c205b02112496

            SHA512

            9490f189d69bb47f25a47ee976602eab6136f3402b8f310ea39c032b830e98231582deddbf51f73e67e9706c5bec4b333afcb37042c1cb0b219063412e867983

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            bf4898a9f3e909efab3300997751e1c5

            SHA1

            dc6aa58e4f7a83b09da625f9769a0027b4db7d99

            SHA256

            934595f0155cffe5c000f3902bf7540182da25aa73db1d5afaed238fe21f54f1

            SHA512

            fb49a72d7c76d45c73ceaeec444a2e65143e214e4ebaf5e6c228baea4033caac8cbb2b297d6adf21245d1c6e2e6eb2ffa05591c3cde2f018167205f206b47e9c

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            bf4898a9f3e909efab3300997751e1c5

            SHA1

            dc6aa58e4f7a83b09da625f9769a0027b4db7d99

            SHA256

            934595f0155cffe5c000f3902bf7540182da25aa73db1d5afaed238fe21f54f1

            SHA512

            fb49a72d7c76d45c73ceaeec444a2e65143e214e4ebaf5e6c228baea4033caac8cbb2b297d6adf21245d1c6e2e6eb2ffa05591c3cde2f018167205f206b47e9c

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            a79257dfef1c8068d980ebe2f121ebea

            SHA1

            48d416a341de2f218fae6af6690296ec964c9d50

            SHA256

            96f33c35b41a6db71614b75b8f9aab324689bf3f25d99ceed7f2530b07d619f0

            SHA512

            32c0be6c57628a0127f8716287b8f15c07788664427b71600fd1590f38ba07d2932ade8d5b0885945c34329adb3c3fa389764112b93688ac545ff64e44672e6e

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            a79257dfef1c8068d980ebe2f121ebea

            SHA1

            48d416a341de2f218fae6af6690296ec964c9d50

            SHA256

            96f33c35b41a6db71614b75b8f9aab324689bf3f25d99ceed7f2530b07d619f0

            SHA512

            32c0be6c57628a0127f8716287b8f15c07788664427b71600fd1590f38ba07d2932ade8d5b0885945c34329adb3c3fa389764112b93688ac545ff64e44672e6e

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            a79257dfef1c8068d980ebe2f121ebea

            SHA1

            48d416a341de2f218fae6af6690296ec964c9d50

            SHA256

            96f33c35b41a6db71614b75b8f9aab324689bf3f25d99ceed7f2530b07d619f0

            SHA512

            32c0be6c57628a0127f8716287b8f15c07788664427b71600fd1590f38ba07d2932ade8d5b0885945c34329adb3c3fa389764112b93688ac545ff64e44672e6e

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            104adfcf4f45e18fbe2780b0200c144f

            SHA1

            97cd5f388d3e175460149ce5db54e7c788bcbe96

            SHA256

            a06ba009d3df9ecab0208c917ed3d690963d97682e9814bafa9baa42887add6f

            SHA512

            4753a0a882b1816c3e43ba2e58f9fbe71840e2ddceadec90241830a64b955929503a00ee6f08e6df863024b0c341c3c4c9946e749eae87373b466abf102854af

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            104adfcf4f45e18fbe2780b0200c144f

            SHA1

            97cd5f388d3e175460149ce5db54e7c788bcbe96

            SHA256

            a06ba009d3df9ecab0208c917ed3d690963d97682e9814bafa9baa42887add6f

            SHA512

            4753a0a882b1816c3e43ba2e58f9fbe71840e2ddceadec90241830a64b955929503a00ee6f08e6df863024b0c341c3c4c9946e749eae87373b466abf102854af

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            104adfcf4f45e18fbe2780b0200c144f

            SHA1

            97cd5f388d3e175460149ce5db54e7c788bcbe96

            SHA256

            a06ba009d3df9ecab0208c917ed3d690963d97682e9814bafa9baa42887add6f

            SHA512

            4753a0a882b1816c3e43ba2e58f9fbe71840e2ddceadec90241830a64b955929503a00ee6f08e6df863024b0c341c3c4c9946e749eae87373b466abf102854af

          • memory/1236-137-0x0000000000340000-0x00000000007BE000-memory.dmp

            Filesize

            4.5MB

          • memory/1236-168-0x0000000000340000-0x00000000007BE000-memory.dmp

            Filesize

            4.5MB