Analysis

  • max time kernel
    188s
  • max time network
    192s
  • 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 10:11

General

  • Target

    d424eba93e1b40d33cc817ed89a20aedd904a7b0c87d743845a4056047d89f9d.exe

  • Size

    603KB

  • MD5

    6ca2a43bc648bdb9fb198722ffd96f97

  • SHA1

    6a6f2f0b6efc802e311be3f9d4c76a08e5c428d0

  • SHA256

    d424eba93e1b40d33cc817ed89a20aedd904a7b0c87d743845a4056047d89f9d

  • SHA512

    2ed2dfa7bda51cf73930622d9a50104c70486efb220f8b59a59b5955e4ee4e4c49a5c04d819eba151972cf5cb64357c5c419e1c8d97038d7eb7b2e6e53be41bd

  • SSDEEP

    12288:rIny5DYTT91B6clYKaCsI7GUVIAe6aWQvWsB1ncw7qJ3pQ0:TUT5n6cS6sl9Ga/Z1nU0

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\d424eba93e1b40d33cc817ed89a20aedd904a7b0c87d743845a4056047d89f9d.exe
    "C:\Users\Admin\AppData\Local\Temp\d424eba93e1b40d33cc817ed89a20aedd904a7b0c87d743845a4056047d89f9d.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:4836
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4848
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:2412
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5012
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:4660
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4676
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1260
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:2028
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2532
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:712
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4784
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:3840
          • 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:2180
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:3776

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Discovery

          Query Registry

          1
          T1012

          System Information Discovery

          1
          T1082

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsb1659.tmp\System.dll
            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsb1659.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsb1659.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsb1659.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsb1659.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsb1659.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsb1659.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsb1659.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsb1659.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            2f0f56232fcf8ea2a35730e573217ea9

            SHA1

            0c52c081df79000d25d625b2c6262f863739814c

            SHA256

            182069a2583245249cce130fbe567e63cfde31c580c77f1025796278895c2923

            SHA512

            5e3850b30574bb694873d4ed17ef42d598afb8a93c3c23d3e635be71f7ca5710a3a67803a3330d809cea7db8eac2ae2745f0b6ec34cddb758c8061e2c561385d

          • C:\Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            2f0f56232fcf8ea2a35730e573217ea9

            SHA1

            0c52c081df79000d25d625b2c6262f863739814c

            SHA256

            182069a2583245249cce130fbe567e63cfde31c580c77f1025796278895c2923

            SHA512

            5e3850b30574bb694873d4ed17ef42d598afb8a93c3c23d3e635be71f7ca5710a3a67803a3330d809cea7db8eac2ae2745f0b6ec34cddb758c8061e2c561385d

          • C:\Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            2f0f56232fcf8ea2a35730e573217ea9

            SHA1

            0c52c081df79000d25d625b2c6262f863739814c

            SHA256

            182069a2583245249cce130fbe567e63cfde31c580c77f1025796278895c2923

            SHA512

            5e3850b30574bb694873d4ed17ef42d598afb8a93c3c23d3e635be71f7ca5710a3a67803a3330d809cea7db8eac2ae2745f0b6ec34cddb758c8061e2c561385d

          • C:\Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            2f0f56232fcf8ea2a35730e573217ea9

            SHA1

            0c52c081df79000d25d625b2c6262f863739814c

            SHA256

            182069a2583245249cce130fbe567e63cfde31c580c77f1025796278895c2923

            SHA512

            5e3850b30574bb694873d4ed17ef42d598afb8a93c3c23d3e635be71f7ca5710a3a67803a3330d809cea7db8eac2ae2745f0b6ec34cddb758c8061e2c561385d

          • C:\Windows\SysWOW64\hfpapi.dll
            Filesize

            244KB

            MD5

            bc6b122a017ed4b24e17ba61a24d08ed

            SHA1

            e2479491f755a838bf9cbbc5e5cf9ccdab3c1e3b

            SHA256

            d79082e88cf3b32e2b83ec1be9117647ff4b79a2533ae9ffd57e1712bc9d0987

            SHA512

            40c4b7e15f45156347d974defde9ac04c839e417fc469f35203c43a47e732e0b1e1b723b3b94a6c306bc00c0d48cb9c653f8ad9a7ce494dff7208e383b3f6cfb

          • C:\Windows\SysWOW64\hfpapi.dll
            Filesize

            244KB

            MD5

            bc6b122a017ed4b24e17ba61a24d08ed

            SHA1

            e2479491f755a838bf9cbbc5e5cf9ccdab3c1e3b

            SHA256

            d79082e88cf3b32e2b83ec1be9117647ff4b79a2533ae9ffd57e1712bc9d0987

            SHA512

            40c4b7e15f45156347d974defde9ac04c839e417fc469f35203c43a47e732e0b1e1b723b3b94a6c306bc00c0d48cb9c653f8ad9a7ce494dff7208e383b3f6cfb

          • C:\Windows\SysWOW64\hfpapi.dll
            Filesize

            244KB

            MD5

            bc6b122a017ed4b24e17ba61a24d08ed

            SHA1

            e2479491f755a838bf9cbbc5e5cf9ccdab3c1e3b

            SHA256

            d79082e88cf3b32e2b83ec1be9117647ff4b79a2533ae9ffd57e1712bc9d0987

            SHA512

            40c4b7e15f45156347d974defde9ac04c839e417fc469f35203c43a47e732e0b1e1b723b3b94a6c306bc00c0d48cb9c653f8ad9a7ce494dff7208e383b3f6cfb

          • C:\Windows\SysWOW64\installd.exe
            Filesize

            108KB

            MD5

            6f8c077c5814ba989d80de93ab15eba9

            SHA1

            467325a82599d86543a9dd00ef721aeedd9f34af

            SHA256

            ef9f93e4e7e072321a9d90531ac7f612527724fc7b8527318c3fddc55dd1c280

            SHA512

            dbff63a94b10699b83075c83f237f0533e859be300571ab61a0f2c1655307153708dba76b94f3164f0886c0a5e414600205f6590e5dea06daedc539202275d82

          • C:\Windows\SysWOW64\installd.exe
            Filesize

            108KB

            MD5

            6f8c077c5814ba989d80de93ab15eba9

            SHA1

            467325a82599d86543a9dd00ef721aeedd9f34af

            SHA256

            ef9f93e4e7e072321a9d90531ac7f612527724fc7b8527318c3fddc55dd1c280

            SHA512

            dbff63a94b10699b83075c83f237f0533e859be300571ab61a0f2c1655307153708dba76b94f3164f0886c0a5e414600205f6590e5dea06daedc539202275d82

          • C:\Windows\SysWOW64\nethtsrv.exe
            Filesize

            176KB

            MD5

            6f85796e7db128be37ad23855d86a47d

            SHA1

            a21d5363c3b23fe6b8d3ebeb1b1b9bfa5d5ab6e6

            SHA256

            0fe2e48b10b2b9a43d26c798d31284567a0f361c30db1341dfee5bccaab9e0c6

            SHA512

            04502ff2c5b6e5aaba8dbbb3003acf5eb0f2ce439c3ddc118ab39b0e9cd0d9dc81d16936339a0cb32f4ea153ea3e6042f763537e36851f9aaf1a812bba181fde

          • C:\Windows\SysWOW64\nethtsrv.exe
            Filesize

            176KB

            MD5

            6f85796e7db128be37ad23855d86a47d

            SHA1

            a21d5363c3b23fe6b8d3ebeb1b1b9bfa5d5ab6e6

            SHA256

            0fe2e48b10b2b9a43d26c798d31284567a0f361c30db1341dfee5bccaab9e0c6

            SHA512

            04502ff2c5b6e5aaba8dbbb3003acf5eb0f2ce439c3ddc118ab39b0e9cd0d9dc81d16936339a0cb32f4ea153ea3e6042f763537e36851f9aaf1a812bba181fde

          • C:\Windows\SysWOW64\nethtsrv.exe
            Filesize

            176KB

            MD5

            6f85796e7db128be37ad23855d86a47d

            SHA1

            a21d5363c3b23fe6b8d3ebeb1b1b9bfa5d5ab6e6

            SHA256

            0fe2e48b10b2b9a43d26c798d31284567a0f361c30db1341dfee5bccaab9e0c6

            SHA512

            04502ff2c5b6e5aaba8dbbb3003acf5eb0f2ce439c3ddc118ab39b0e9cd0d9dc81d16936339a0cb32f4ea153ea3e6042f763537e36851f9aaf1a812bba181fde

          • C:\Windows\SysWOW64\netupdsrv.exe
            Filesize

            158KB

            MD5

            7e1664e4bfb55d60f1303518617dffa9

            SHA1

            899c07c60853efd394e0ae8a74878c394cddf957

            SHA256

            4b06216401b84b3447a1da549afdf57279d8924ce56169c12ca205f025e23c60

            SHA512

            3ae1f6243095fc6cdba866c0dfb22674b6aa83b7f3287dafc985378cf4599571df5f97af20452cbd0d3db98ca3f32235f57c6daeafc530ff7e140635f435f7d8

          • C:\Windows\SysWOW64\netupdsrv.exe
            Filesize

            158KB

            MD5

            7e1664e4bfb55d60f1303518617dffa9

            SHA1

            899c07c60853efd394e0ae8a74878c394cddf957

            SHA256

            4b06216401b84b3447a1da549afdf57279d8924ce56169c12ca205f025e23c60

            SHA512

            3ae1f6243095fc6cdba866c0dfb22674b6aa83b7f3287dafc985378cf4599571df5f97af20452cbd0d3db98ca3f32235f57c6daeafc530ff7e140635f435f7d8

          • C:\Windows\SysWOW64\netupdsrv.exe
            Filesize

            158KB

            MD5

            7e1664e4bfb55d60f1303518617dffa9

            SHA1

            899c07c60853efd394e0ae8a74878c394cddf957

            SHA256

            4b06216401b84b3447a1da549afdf57279d8924ce56169c12ca205f025e23c60

            SHA512

            3ae1f6243095fc6cdba866c0dfb22674b6aa83b7f3287dafc985378cf4599571df5f97af20452cbd0d3db98ca3f32235f57c6daeafc530ff7e140635f435f7d8

          • memory/712-159-0x0000000000000000-mapping.dmp
          • memory/1260-147-0x0000000000000000-mapping.dmp
          • memory/2028-153-0x0000000000000000-mapping.dmp
          • memory/2412-137-0x0000000000000000-mapping.dmp
          • memory/2532-158-0x0000000000000000-mapping.dmp
          • memory/3840-166-0x0000000000000000-mapping.dmp
          • memory/4660-141-0x0000000000000000-mapping.dmp
          • memory/4676-142-0x0000000000000000-mapping.dmp
          • memory/4784-165-0x0000000000000000-mapping.dmp
          • memory/4836-132-0x0000000000360000-0x00000000007BE000-memory.dmp
            Filesize

            4.4MB

          • memory/4836-168-0x0000000000360000-0x00000000007BE000-memory.dmp
            Filesize

            4.4MB

          • memory/4848-136-0x0000000000000000-mapping.dmp
          • memory/5012-140-0x0000000000000000-mapping.dmp