Analysis

  • max time kernel
    9s
  • max time network
    2s
  • 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 10:18

General

  • Target

    96eb61cb3c6c90aa99ca54abacf8b708599a13fefa2a88d461a13d7eaf90073d.exe

  • Size

    602KB

  • MD5

    224a2a5630048cc4ac980f861feeebbd

  • SHA1

    c4383451d506123a2d6e4333d76e76f6c390ff9d

  • SHA256

    96eb61cb3c6c90aa99ca54abacf8b708599a13fefa2a88d461a13d7eaf90073d

  • SHA512

    db6c974240cd49889174d8cb561d075aba8fab260a632ba5f9dbfa85d7337d4f8be74aedf3b40eccba261c21cf6cc8180016f0f9717edf00ab0562999e0f9358

  • SSDEEP

    12288:iIny5DYTWLMkg/swRq+zR5OKegjmHGqWUpfY2dYEONrI:EUTWLRg/NqaSV4bqLi2dpON

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\96eb61cb3c6c90aa99ca54abacf8b708599a13fefa2a88d461a13d7eaf90073d.exe
    "C:\Users\Admin\AppData\Local\Temp\96eb61cb3c6c90aa99ca54abacf8b708599a13fefa2a88d461a13d7eaf90073d.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:1152
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3928
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:3232
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3080
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:1288
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:3628
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1520
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:3200
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3220
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:400
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4288
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:4948
          • 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:4580
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:4992

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nswF246.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nswF246.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nswF246.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nswF246.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nswF246.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nswF246.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nswF246.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nswF246.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nswF246.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            0ff8cdbe282cc7de06e265313e0ecba6

            SHA1

            cce4a5cfb3dd2261db7ad53d6624160e7a762669

            SHA256

            505c77a8d4ef8fc4669689ad78c7df5e007e0c12c5fae4d420363c9b701c69c6

            SHA512

            5f2a4a08e00246cd6b88c623a84aa22ae2c1cad92f745cdee26b3094534bc068c78dcce311e925699ab024e961b1121c776370d48b1c2976e3ea84427b0b1fdd

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            0ff8cdbe282cc7de06e265313e0ecba6

            SHA1

            cce4a5cfb3dd2261db7ad53d6624160e7a762669

            SHA256

            505c77a8d4ef8fc4669689ad78c7df5e007e0c12c5fae4d420363c9b701c69c6

            SHA512

            5f2a4a08e00246cd6b88c623a84aa22ae2c1cad92f745cdee26b3094534bc068c78dcce311e925699ab024e961b1121c776370d48b1c2976e3ea84427b0b1fdd

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            0ff8cdbe282cc7de06e265313e0ecba6

            SHA1

            cce4a5cfb3dd2261db7ad53d6624160e7a762669

            SHA256

            505c77a8d4ef8fc4669689ad78c7df5e007e0c12c5fae4d420363c9b701c69c6

            SHA512

            5f2a4a08e00246cd6b88c623a84aa22ae2c1cad92f745cdee26b3094534bc068c78dcce311e925699ab024e961b1121c776370d48b1c2976e3ea84427b0b1fdd

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            0ff8cdbe282cc7de06e265313e0ecba6

            SHA1

            cce4a5cfb3dd2261db7ad53d6624160e7a762669

            SHA256

            505c77a8d4ef8fc4669689ad78c7df5e007e0c12c5fae4d420363c9b701c69c6

            SHA512

            5f2a4a08e00246cd6b88c623a84aa22ae2c1cad92f745cdee26b3094534bc068c78dcce311e925699ab024e961b1121c776370d48b1c2976e3ea84427b0b1fdd

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            f33d0eaac26330293936ecebe30f60b4

            SHA1

            c61f82880ea9eca3494b7ca8d33efe7e8307b6e5

            SHA256

            e023b2dfc16786ebe2a498396e9bf91b92bfb6264d9e2fb6362b558d4b90e45e

            SHA512

            9840e8969efd3218499b785b874e4b640597a072e404ebb0a7ffcf44668a6047ac1725fe7df05cea9d7c2f60d786fe9bf25fa3e62ea6dd0fa858291e21b7ad41

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            f33d0eaac26330293936ecebe30f60b4

            SHA1

            c61f82880ea9eca3494b7ca8d33efe7e8307b6e5

            SHA256

            e023b2dfc16786ebe2a498396e9bf91b92bfb6264d9e2fb6362b558d4b90e45e

            SHA512

            9840e8969efd3218499b785b874e4b640597a072e404ebb0a7ffcf44668a6047ac1725fe7df05cea9d7c2f60d786fe9bf25fa3e62ea6dd0fa858291e21b7ad41

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            f33d0eaac26330293936ecebe30f60b4

            SHA1

            c61f82880ea9eca3494b7ca8d33efe7e8307b6e5

            SHA256

            e023b2dfc16786ebe2a498396e9bf91b92bfb6264d9e2fb6362b558d4b90e45e

            SHA512

            9840e8969efd3218499b785b874e4b640597a072e404ebb0a7ffcf44668a6047ac1725fe7df05cea9d7c2f60d786fe9bf25fa3e62ea6dd0fa858291e21b7ad41

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            6e18a73ca4c93bf408746fe250933f01

            SHA1

            518c83fdccd3c66496f985db6dc30a812bd968e3

            SHA256

            0db2bbaf6a62d905e3e929ab448c3e545a79f0902d9cd0f72b364d5d0d85892a

            SHA512

            4261b5d1ec8ce4f386bde691eeafe0669b52201dfb00cebf490ad3e1f314018ef6f604670e6e822674b4917e820d9fc93f50a56e3c5e02b46c014714db6e63b0

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            6e18a73ca4c93bf408746fe250933f01

            SHA1

            518c83fdccd3c66496f985db6dc30a812bd968e3

            SHA256

            0db2bbaf6a62d905e3e929ab448c3e545a79f0902d9cd0f72b364d5d0d85892a

            SHA512

            4261b5d1ec8ce4f386bde691eeafe0669b52201dfb00cebf490ad3e1f314018ef6f604670e6e822674b4917e820d9fc93f50a56e3c5e02b46c014714db6e63b0

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            6f381fea9e2c5a05e2f5ea15cc0a5244

            SHA1

            40d006e3e4bbc0e6061bece915f82549eb1e545e

            SHA256

            3cafe4c6d88ebfaefc9826c47dbc2f2052b98379f994d286e3f4b4f8ea8e32f8

            SHA512

            19cd699aafd60b0bbe4acfabc50b4ea67d580ce2ca657582e56bccab814df629ca298812c22f855f43179eaff91904e22fafff9473a81dc022f0661c0498f70a

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            6f381fea9e2c5a05e2f5ea15cc0a5244

            SHA1

            40d006e3e4bbc0e6061bece915f82549eb1e545e

            SHA256

            3cafe4c6d88ebfaefc9826c47dbc2f2052b98379f994d286e3f4b4f8ea8e32f8

            SHA512

            19cd699aafd60b0bbe4acfabc50b4ea67d580ce2ca657582e56bccab814df629ca298812c22f855f43179eaff91904e22fafff9473a81dc022f0661c0498f70a

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            6f381fea9e2c5a05e2f5ea15cc0a5244

            SHA1

            40d006e3e4bbc0e6061bece915f82549eb1e545e

            SHA256

            3cafe4c6d88ebfaefc9826c47dbc2f2052b98379f994d286e3f4b4f8ea8e32f8

            SHA512

            19cd699aafd60b0bbe4acfabc50b4ea67d580ce2ca657582e56bccab814df629ca298812c22f855f43179eaff91904e22fafff9473a81dc022f0661c0498f70a

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            b0842d56248c11e4ab09ad38e1474562

            SHA1

            c81d4be031de4a933536d375d5391ee176c4a0e3

            SHA256

            28726f6f706ef5793298fe191c6ef1c8a4ee094ec51ea6f224cecfd370be63b7

            SHA512

            5a221c80a4f72eab3749af437e4644725a16ca0b9d47d3ffe7e29a5cfa65b444faa5d2eafc6d6eb0fb1a46b7ad538fa898a573298c3c6a5cf911c94cd11463e9

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            b0842d56248c11e4ab09ad38e1474562

            SHA1

            c81d4be031de4a933536d375d5391ee176c4a0e3

            SHA256

            28726f6f706ef5793298fe191c6ef1c8a4ee094ec51ea6f224cecfd370be63b7

            SHA512

            5a221c80a4f72eab3749af437e4644725a16ca0b9d47d3ffe7e29a5cfa65b444faa5d2eafc6d6eb0fb1a46b7ad538fa898a573298c3c6a5cf911c94cd11463e9

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            b0842d56248c11e4ab09ad38e1474562

            SHA1

            c81d4be031de4a933536d375d5391ee176c4a0e3

            SHA256

            28726f6f706ef5793298fe191c6ef1c8a4ee094ec51ea6f224cecfd370be63b7

            SHA512

            5a221c80a4f72eab3749af437e4644725a16ca0b9d47d3ffe7e29a5cfa65b444faa5d2eafc6d6eb0fb1a46b7ad538fa898a573298c3c6a5cf911c94cd11463e9

          • memory/400-159-0x0000000000000000-mapping.dmp

          • memory/1152-132-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1152-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1288-141-0x0000000000000000-mapping.dmp

          • memory/1520-147-0x0000000000000000-mapping.dmp

          • memory/3080-140-0x0000000000000000-mapping.dmp

          • memory/3200-153-0x0000000000000000-mapping.dmp

          • memory/3220-158-0x0000000000000000-mapping.dmp

          • memory/3232-137-0x0000000000000000-mapping.dmp

          • memory/3628-142-0x0000000000000000-mapping.dmp

          • memory/3928-136-0x0000000000000000-mapping.dmp

          • memory/4288-165-0x0000000000000000-mapping.dmp

          • memory/4948-166-0x0000000000000000-mapping.dmp