Analysis

  • max time kernel
    146s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2022 11:49

General

  • Target

    2365eafb607a542d59d02f8bfda69b9f827bb00f34d98a9003a15ae2d07112c9.exe

  • Size

    832KB

  • MD5

    e574c5fa311b51699ef52f417856a410

  • SHA1

    beac794e7aa03b49ac49455e087a6bf96194e982

  • SHA256

    2365eafb607a542d59d02f8bfda69b9f827bb00f34d98a9003a15ae2d07112c9

  • SHA512

    60ea163fd61348d49bfa8eaf2ec43563a28c7f8e14bc9d3cb9e1712815cd7ff00f2e190df865aea151e2968a94940b85b667498a52bafb1faa2938f8a6302523

  • SSDEEP

    24576:crfGR2wDeRMTRagj4zS++WJzMnejT5csEYTFB92vp:cYYRMTkg2f+v05cJmX92v

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\2365eafb607a542d59d02f8bfda69b9f827bb00f34d98a9003a15ae2d07112c9.exe
    "C:\Users\Admin\AppData\Local\Temp\2365eafb607a542d59d02f8bfda69b9f827bb00f34d98a9003a15ae2d07112c9.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:4336
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4696
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:2040
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4612
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:3504
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1404
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4760
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:2000
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2016
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:3416
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4940
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:3740
          • 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:3092
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:2180

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nshE66F.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nshE66F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nshE66F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nshE66F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nshE66F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nshE66F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nshE66F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nshE66F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nshE66F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            e0f57a03409522768f9da898aa5c921d

            SHA1

            a699a34d32b352e6db0124978e0184f07ec9ede8

            SHA256

            8faac6842da72beda862ee8a5cb8ab931e7d605ef1a281c5a69a58e60cc936a7

            SHA512

            38ca1573852f116e5e9f6b84df16f42e4929ab4ae77cb1ea93cbdbaf5c321436049544e3930bb642b034b18b5ac8e8fe05caeb6b54ff40e25e679d3ca1c58f8f

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            e0f57a03409522768f9da898aa5c921d

            SHA1

            a699a34d32b352e6db0124978e0184f07ec9ede8

            SHA256

            8faac6842da72beda862ee8a5cb8ab931e7d605ef1a281c5a69a58e60cc936a7

            SHA512

            38ca1573852f116e5e9f6b84df16f42e4929ab4ae77cb1ea93cbdbaf5c321436049544e3930bb642b034b18b5ac8e8fe05caeb6b54ff40e25e679d3ca1c58f8f

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            e0f57a03409522768f9da898aa5c921d

            SHA1

            a699a34d32b352e6db0124978e0184f07ec9ede8

            SHA256

            8faac6842da72beda862ee8a5cb8ab931e7d605ef1a281c5a69a58e60cc936a7

            SHA512

            38ca1573852f116e5e9f6b84df16f42e4929ab4ae77cb1ea93cbdbaf5c321436049544e3930bb642b034b18b5ac8e8fe05caeb6b54ff40e25e679d3ca1c58f8f

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            e0f57a03409522768f9da898aa5c921d

            SHA1

            a699a34d32b352e6db0124978e0184f07ec9ede8

            SHA256

            8faac6842da72beda862ee8a5cb8ab931e7d605ef1a281c5a69a58e60cc936a7

            SHA512

            38ca1573852f116e5e9f6b84df16f42e4929ab4ae77cb1ea93cbdbaf5c321436049544e3930bb642b034b18b5ac8e8fe05caeb6b54ff40e25e679d3ca1c58f8f

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            428KB

            MD5

            7279c0cf0962b2006daff6dbcc29c633

            SHA1

            560897ef61eee6314539deac4310b8074de1ed25

            SHA256

            a042314d11bcdbd4a23d392c101b540e639a58e99f5f669ad3cc88d8aab5b90a

            SHA512

            8a86f0bda381021ee215017e4d33d4888dbd1234459565c88fb5408fa3c08f8e5e86d4f3ba6e7989f200d3049806a48c26cdd69062c07f2eff5243c894bda9cc

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            428KB

            MD5

            7279c0cf0962b2006daff6dbcc29c633

            SHA1

            560897ef61eee6314539deac4310b8074de1ed25

            SHA256

            a042314d11bcdbd4a23d392c101b540e639a58e99f5f669ad3cc88d8aab5b90a

            SHA512

            8a86f0bda381021ee215017e4d33d4888dbd1234459565c88fb5408fa3c08f8e5e86d4f3ba6e7989f200d3049806a48c26cdd69062c07f2eff5243c894bda9cc

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            428KB

            MD5

            7279c0cf0962b2006daff6dbcc29c633

            SHA1

            560897ef61eee6314539deac4310b8074de1ed25

            SHA256

            a042314d11bcdbd4a23d392c101b540e639a58e99f5f669ad3cc88d8aab5b90a

            SHA512

            8a86f0bda381021ee215017e4d33d4888dbd1234459565c88fb5408fa3c08f8e5e86d4f3ba6e7989f200d3049806a48c26cdd69062c07f2eff5243c894bda9cc

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            137KB

            MD5

            a29759911aa1acf83c7f887f8e15c9d3

            SHA1

            f417bf0ae6d98f5a735c61538794e873f9d81993

            SHA256

            fea2ca3c56482d0b92350d3b9dd47595ea8ca8966a75a5835ba51264c7ddf26a

            SHA512

            dfae9041e62f8c81953152ed588df92f39748dcdc35f70131cfa1634d424116f8215183ec865f1169f72cd559157492bb0e76baa1169b9cc8ee3bf5d60e4b5a2

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            137KB

            MD5

            a29759911aa1acf83c7f887f8e15c9d3

            SHA1

            f417bf0ae6d98f5a735c61538794e873f9d81993

            SHA256

            fea2ca3c56482d0b92350d3b9dd47595ea8ca8966a75a5835ba51264c7ddf26a

            SHA512

            dfae9041e62f8c81953152ed588df92f39748dcdc35f70131cfa1634d424116f8215183ec865f1169f72cd559157492bb0e76baa1169b9cc8ee3bf5d60e4b5a2

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            330KB

            MD5

            dde835ced544ec6202c8448fbfdb612a

            SHA1

            d1fd91dbcb4bab7ab150cc90bfdd431af89bcb66

            SHA256

            5a455d54e302710e4f3710fd00890e04b94637b2a4882c5ca1c588d132f2daf3

            SHA512

            b07f963e7d52848ea52d49d90dc29454b30da4f21dc61ce9900b41f7b8833e3806f7eb4621c3272eed72233b31cffc13c7f7ae02799041ef9f42abc4f01740f8

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            330KB

            MD5

            dde835ced544ec6202c8448fbfdb612a

            SHA1

            d1fd91dbcb4bab7ab150cc90bfdd431af89bcb66

            SHA256

            5a455d54e302710e4f3710fd00890e04b94637b2a4882c5ca1c588d132f2daf3

            SHA512

            b07f963e7d52848ea52d49d90dc29454b30da4f21dc61ce9900b41f7b8833e3806f7eb4621c3272eed72233b31cffc13c7f7ae02799041ef9f42abc4f01740f8

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            330KB

            MD5

            dde835ced544ec6202c8448fbfdb612a

            SHA1

            d1fd91dbcb4bab7ab150cc90bfdd431af89bcb66

            SHA256

            5a455d54e302710e4f3710fd00890e04b94637b2a4882c5ca1c588d132f2daf3

            SHA512

            b07f963e7d52848ea52d49d90dc29454b30da4f21dc61ce9900b41f7b8833e3806f7eb4621c3272eed72233b31cffc13c7f7ae02799041ef9f42abc4f01740f8

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            186KB

            MD5

            4dbeca82cb9c4242197731c4117303b4

            SHA1

            951c9c7a8244ec5c7471efa69e38872899dd84f4

            SHA256

            f3e012c4c1899913c30a254a68111c4d6b135eb27af9075bfc6e6e0d8e7bc4b9

            SHA512

            40463ec25f3da5049e9f04c2e19f6b875f373fb87ee1109e138d90fdeb122c1e4daa247b04544111f1cbf89087d10d4c38dc2f24ae03817aab12a9a0988e7f2a

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            186KB

            MD5

            4dbeca82cb9c4242197731c4117303b4

            SHA1

            951c9c7a8244ec5c7471efa69e38872899dd84f4

            SHA256

            f3e012c4c1899913c30a254a68111c4d6b135eb27af9075bfc6e6e0d8e7bc4b9

            SHA512

            40463ec25f3da5049e9f04c2e19f6b875f373fb87ee1109e138d90fdeb122c1e4daa247b04544111f1cbf89087d10d4c38dc2f24ae03817aab12a9a0988e7f2a

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            186KB

            MD5

            4dbeca82cb9c4242197731c4117303b4

            SHA1

            951c9c7a8244ec5c7471efa69e38872899dd84f4

            SHA256

            f3e012c4c1899913c30a254a68111c4d6b135eb27af9075bfc6e6e0d8e7bc4b9

            SHA512

            40463ec25f3da5049e9f04c2e19f6b875f373fb87ee1109e138d90fdeb122c1e4daa247b04544111f1cbf89087d10d4c38dc2f24ae03817aab12a9a0988e7f2a

          • memory/4336-132-0x0000000000320000-0x00000000007BE000-memory.dmp

            Filesize

            4.6MB

          • memory/4336-168-0x0000000000320000-0x00000000007BE000-memory.dmp

            Filesize

            4.6MB