Analysis

  • max time kernel
    169s
  • max time network
    195s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 10:24

General

  • Target

    6c135cf19678a17462fe1cd787cc892fb1f1e4f3bf3556253db7cc88f4af8258.exe

  • Size

    602KB

  • MD5

    1f7e804da9ac423ea836e738eac692d7

  • SHA1

    146d707b4066771d3cc31ce64e5ba37ad3cc7bcb

  • SHA256

    6c135cf19678a17462fe1cd787cc892fb1f1e4f3bf3556253db7cc88f4af8258

  • SHA512

    fa67d672a1f20fbb4a6720ef6908e8985b6f593eb5697e3e4a823ee6b76fd91899c42454ab2057d0606fb2dc519be2741ceea698ac5aa8613489dfd99e212b3c

  • SSDEEP

    12288:GIny5DYTuz/DCqhYj4k2kNKQsJdbnummQnZ3KyH7bKockdkLS3:oUTuHCqInsvtubQLV/kLS

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\6c135cf19678a17462fe1cd787cc892fb1f1e4f3bf3556253db7cc88f4af8258.exe
    "C:\Users\Admin\AppData\Local\Temp\6c135cf19678a17462fe1cd787cc892fb1f1e4f3bf3556253db7cc88f4af8258.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:1128
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4628
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:3580
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5084
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:3832
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:212
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1364
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:3444
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1460
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:4712
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2792
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:1636
          • 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:4540
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:2580

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nswA24.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nswA24.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nswA24.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nswA24.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nswA24.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nswA24.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nswA24.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nswA24.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nswA24.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            0b18503289291d967dde3ee6f9a4dec6

            SHA1

            0a011c9e8055dab075a475c75a8b4e960fcce413

            SHA256

            43fcdce2aea12b41e43afdff72ed423b47550eafdc2badcfe4f48de10ee063e8

            SHA512

            fdc2ffe54f233ebedda4fa3e99e426dc790df55cad49b0fc3f017902648184045d5f509393604bf484dc1f934ee9572800524475aaf5480973c6a7a4ec7d4d6d

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            0b18503289291d967dde3ee6f9a4dec6

            SHA1

            0a011c9e8055dab075a475c75a8b4e960fcce413

            SHA256

            43fcdce2aea12b41e43afdff72ed423b47550eafdc2badcfe4f48de10ee063e8

            SHA512

            fdc2ffe54f233ebedda4fa3e99e426dc790df55cad49b0fc3f017902648184045d5f509393604bf484dc1f934ee9572800524475aaf5480973c6a7a4ec7d4d6d

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            0b18503289291d967dde3ee6f9a4dec6

            SHA1

            0a011c9e8055dab075a475c75a8b4e960fcce413

            SHA256

            43fcdce2aea12b41e43afdff72ed423b47550eafdc2badcfe4f48de10ee063e8

            SHA512

            fdc2ffe54f233ebedda4fa3e99e426dc790df55cad49b0fc3f017902648184045d5f509393604bf484dc1f934ee9572800524475aaf5480973c6a7a4ec7d4d6d

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            0b18503289291d967dde3ee6f9a4dec6

            SHA1

            0a011c9e8055dab075a475c75a8b4e960fcce413

            SHA256

            43fcdce2aea12b41e43afdff72ed423b47550eafdc2badcfe4f48de10ee063e8

            SHA512

            fdc2ffe54f233ebedda4fa3e99e426dc790df55cad49b0fc3f017902648184045d5f509393604bf484dc1f934ee9572800524475aaf5480973c6a7a4ec7d4d6d

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            c83d63f7cda20c89e98fac7ca0818447

            SHA1

            1f1f722eeb81c201cf7e7ab6af96227bceff185a

            SHA256

            e0c5d68af41caa9659bb251e4334c271bbc84bd61656ca22b4d0568c1095231d

            SHA512

            201f92e42b7a0271a80dab11efbc77a90bbb372cb3936e8c40b98e9221c4d6596424280fdf9f1a9f01d27671518af472dbb05936235ab711457ad0f46daa803d

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            c83d63f7cda20c89e98fac7ca0818447

            SHA1

            1f1f722eeb81c201cf7e7ab6af96227bceff185a

            SHA256

            e0c5d68af41caa9659bb251e4334c271bbc84bd61656ca22b4d0568c1095231d

            SHA512

            201f92e42b7a0271a80dab11efbc77a90bbb372cb3936e8c40b98e9221c4d6596424280fdf9f1a9f01d27671518af472dbb05936235ab711457ad0f46daa803d

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            c83d63f7cda20c89e98fac7ca0818447

            SHA1

            1f1f722eeb81c201cf7e7ab6af96227bceff185a

            SHA256

            e0c5d68af41caa9659bb251e4334c271bbc84bd61656ca22b4d0568c1095231d

            SHA512

            201f92e42b7a0271a80dab11efbc77a90bbb372cb3936e8c40b98e9221c4d6596424280fdf9f1a9f01d27671518af472dbb05936235ab711457ad0f46daa803d

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            d70a0b20182d8e9c696827305d72bc4a

            SHA1

            3191b171b730a8d42c2000416e2981f592c68b31

            SHA256

            a04da6abdb492b5c84f8e41d381e416262e96affcf4329bf062d7659c7243fe1

            SHA512

            35f8d396d50ef20b9e9e107af428df42dd7defc614adf06ce2de2b99d14e75d48ba35e3a5ddf51aa879c1d28e8a1564f06e587c8560e50badd39dce2d0e4ba76

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            d70a0b20182d8e9c696827305d72bc4a

            SHA1

            3191b171b730a8d42c2000416e2981f592c68b31

            SHA256

            a04da6abdb492b5c84f8e41d381e416262e96affcf4329bf062d7659c7243fe1

            SHA512

            35f8d396d50ef20b9e9e107af428df42dd7defc614adf06ce2de2b99d14e75d48ba35e3a5ddf51aa879c1d28e8a1564f06e587c8560e50badd39dce2d0e4ba76

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            c078eecb23171ba9a2845903d9836182

            SHA1

            dbb4619dffbf25247c338cab1484ad2e450c569d

            SHA256

            f270624707d0cc7dc33a768a7a6e60a066d18a0fe44a60312ea5cfafd3185db2

            SHA512

            a5cb40d61a976e5b6cdbedf98b4ffc5e0cbe1ad9408ca08ad50bb083856de45c6cd7a7674cf408609ed42b6b1b93d77d43e72573a84ee9123947b95c67aed118

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            c078eecb23171ba9a2845903d9836182

            SHA1

            dbb4619dffbf25247c338cab1484ad2e450c569d

            SHA256

            f270624707d0cc7dc33a768a7a6e60a066d18a0fe44a60312ea5cfafd3185db2

            SHA512

            a5cb40d61a976e5b6cdbedf98b4ffc5e0cbe1ad9408ca08ad50bb083856de45c6cd7a7674cf408609ed42b6b1b93d77d43e72573a84ee9123947b95c67aed118

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            c078eecb23171ba9a2845903d9836182

            SHA1

            dbb4619dffbf25247c338cab1484ad2e450c569d

            SHA256

            f270624707d0cc7dc33a768a7a6e60a066d18a0fe44a60312ea5cfafd3185db2

            SHA512

            a5cb40d61a976e5b6cdbedf98b4ffc5e0cbe1ad9408ca08ad50bb083856de45c6cd7a7674cf408609ed42b6b1b93d77d43e72573a84ee9123947b95c67aed118

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            e018ed584d8abcff0c1265949f599974

            SHA1

            f13896d50063c5fcc60dabde71e2b6ea40959070

            SHA256

            4a1200c9977bf3bb0e16b80f02bc4c57f5760f9b6926b5d343633382b1e6e1cf

            SHA512

            26ddd2d339e3df7a3d8b44534cfc043b9f843356b84ea0de78082fbb1fd1dccc2a126c37f0823b30b7697dc38b99143c6220eb1b27eef3079bd0e4c9b176ab9f

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            e018ed584d8abcff0c1265949f599974

            SHA1

            f13896d50063c5fcc60dabde71e2b6ea40959070

            SHA256

            4a1200c9977bf3bb0e16b80f02bc4c57f5760f9b6926b5d343633382b1e6e1cf

            SHA512

            26ddd2d339e3df7a3d8b44534cfc043b9f843356b84ea0de78082fbb1fd1dccc2a126c37f0823b30b7697dc38b99143c6220eb1b27eef3079bd0e4c9b176ab9f

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            e018ed584d8abcff0c1265949f599974

            SHA1

            f13896d50063c5fcc60dabde71e2b6ea40959070

            SHA256

            4a1200c9977bf3bb0e16b80f02bc4c57f5760f9b6926b5d343633382b1e6e1cf

            SHA512

            26ddd2d339e3df7a3d8b44534cfc043b9f843356b84ea0de78082fbb1fd1dccc2a126c37f0823b30b7697dc38b99143c6220eb1b27eef3079bd0e4c9b176ab9f

          • memory/212-142-0x0000000000000000-mapping.dmp

          • memory/1128-132-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1128-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1128-169-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1364-147-0x0000000000000000-mapping.dmp

          • memory/1460-158-0x0000000000000000-mapping.dmp

          • memory/1636-166-0x0000000000000000-mapping.dmp

          • memory/2792-165-0x0000000000000000-mapping.dmp

          • memory/3444-153-0x0000000000000000-mapping.dmp

          • memory/3580-137-0x0000000000000000-mapping.dmp

          • memory/3832-141-0x0000000000000000-mapping.dmp

          • memory/4628-136-0x0000000000000000-mapping.dmp

          • memory/4712-159-0x0000000000000000-mapping.dmp

          • memory/5084-140-0x0000000000000000-mapping.dmp