Analysis

  • max time kernel
    142s
  • max time network
    144s
  • 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 10:25

General

  • Target

    5beb16b85018a3eec761fc6a7d17f1acf53a6cc56fb9106cf595667f88da9131.exe

  • Size

    601KB

  • MD5

    bbf56f149c261b190d3570e9eaf5f0d6

  • SHA1

    a09e5cb2baaac5a15abcbe32fb69bd522384b05f

  • SHA256

    5beb16b85018a3eec761fc6a7d17f1acf53a6cc56fb9106cf595667f88da9131

  • SHA512

    619ece02c1c520bc3b53cca1db9d86ec911c9e7188a8f7bfaed15c92ec3dcba1c7ab1eb7d6dee75064ae4fd0276c39660cc89df2e145ebe41561300b7e2acce7

  • SSDEEP

    12288:dIny5DYTgQES5DJeyRXKi6nhBchy2ACoiFxCI:JUTghQJeaXKiChBco24Y

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\5beb16b85018a3eec761fc6a7d17f1acf53a6cc56fb9106cf595667f88da9131.exe
    "C:\Users\Admin\AppData\Local\Temp\5beb16b85018a3eec761fc6a7d17f1acf53a6cc56fb9106cf595667f88da9131.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:4984
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4960
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:4188
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3504
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:2016
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4284
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1608
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:4676
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3888
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:1964
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3760
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:4408
          • 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:1572
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:952

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsi8FB4.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsi8FB4.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsi8FB4.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsi8FB4.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsi8FB4.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsi8FB4.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsi8FB4.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsi8FB4.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsi8FB4.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            e92096cd4dc582fa0199ec2a27ed6b90

            SHA1

            d304e09c3f27e5f191601d39eb1a6b034e2a8c1b

            SHA256

            3df161f0c0164ae92ff273fbb59890ef9ff647f1472831d7faf8dd89e9d33736

            SHA512

            b68829f5eb3f235284961173d4d7c638221ae99832bf1df8725ed990cea9ce7c2ab8ba927e20dbe82dd4cd448adf9cac58a1a3c85587f56ffc2692727e6bfd4c

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            e92096cd4dc582fa0199ec2a27ed6b90

            SHA1

            d304e09c3f27e5f191601d39eb1a6b034e2a8c1b

            SHA256

            3df161f0c0164ae92ff273fbb59890ef9ff647f1472831d7faf8dd89e9d33736

            SHA512

            b68829f5eb3f235284961173d4d7c638221ae99832bf1df8725ed990cea9ce7c2ab8ba927e20dbe82dd4cd448adf9cac58a1a3c85587f56ffc2692727e6bfd4c

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            e92096cd4dc582fa0199ec2a27ed6b90

            SHA1

            d304e09c3f27e5f191601d39eb1a6b034e2a8c1b

            SHA256

            3df161f0c0164ae92ff273fbb59890ef9ff647f1472831d7faf8dd89e9d33736

            SHA512

            b68829f5eb3f235284961173d4d7c638221ae99832bf1df8725ed990cea9ce7c2ab8ba927e20dbe82dd4cd448adf9cac58a1a3c85587f56ffc2692727e6bfd4c

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            e92096cd4dc582fa0199ec2a27ed6b90

            SHA1

            d304e09c3f27e5f191601d39eb1a6b034e2a8c1b

            SHA256

            3df161f0c0164ae92ff273fbb59890ef9ff647f1472831d7faf8dd89e9d33736

            SHA512

            b68829f5eb3f235284961173d4d7c638221ae99832bf1df8725ed990cea9ce7c2ab8ba927e20dbe82dd4cd448adf9cac58a1a3c85587f56ffc2692727e6bfd4c

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            f899fc5e1a12e12b2fec0686a5fd1780

            SHA1

            1110011aa45db14ac9fe4bb09b16151253ac1bc7

            SHA256

            3ebc12f9ce635e14c9976aaf1a131a4cc426a89fb064ecba34855c8f3a2d541e

            SHA512

            850de25638aca181809a638b9fd90887dbdb08ecebb0665a1ab14eec0541825b757be54f0e5975246d8210447f12e1333abdc9dfd01595e1823929c9f04ce9b4

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            f899fc5e1a12e12b2fec0686a5fd1780

            SHA1

            1110011aa45db14ac9fe4bb09b16151253ac1bc7

            SHA256

            3ebc12f9ce635e14c9976aaf1a131a4cc426a89fb064ecba34855c8f3a2d541e

            SHA512

            850de25638aca181809a638b9fd90887dbdb08ecebb0665a1ab14eec0541825b757be54f0e5975246d8210447f12e1333abdc9dfd01595e1823929c9f04ce9b4

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            f899fc5e1a12e12b2fec0686a5fd1780

            SHA1

            1110011aa45db14ac9fe4bb09b16151253ac1bc7

            SHA256

            3ebc12f9ce635e14c9976aaf1a131a4cc426a89fb064ecba34855c8f3a2d541e

            SHA512

            850de25638aca181809a638b9fd90887dbdb08ecebb0665a1ab14eec0541825b757be54f0e5975246d8210447f12e1333abdc9dfd01595e1823929c9f04ce9b4

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            d0ca47741445fa92d18ae75ce8030907

            SHA1

            57bc305394ccc6ad6b648f2c17f7a1003d59e4ad

            SHA256

            3bff1b89cb826284462e12ecf0c8147f72358aeb254c71697350b97f23858783

            SHA512

            93328ca59fd5c2bde5ffec884d751ba723c1d0699afb2fcd16c973df7ddd8e4da4669ccc8e784e6acf15a683a757fbe6e9105b49d9664be349cc0c2b4f5c8b05

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            d0ca47741445fa92d18ae75ce8030907

            SHA1

            57bc305394ccc6ad6b648f2c17f7a1003d59e4ad

            SHA256

            3bff1b89cb826284462e12ecf0c8147f72358aeb254c71697350b97f23858783

            SHA512

            93328ca59fd5c2bde5ffec884d751ba723c1d0699afb2fcd16c973df7ddd8e4da4669ccc8e784e6acf15a683a757fbe6e9105b49d9664be349cc0c2b4f5c8b05

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            d2fbe672c38d4e1c7e78b09def30c53c

            SHA1

            2c14a1b3d13b04f373d6fab623e538dcb21b1037

            SHA256

            275a7ca8d9591163a177a63613c18320895b6f550a854a693300d781acb4792b

            SHA512

            6dd7b1152454d7239184f4cae20304d8f5a966bfdc764ac826acf05c303cbcc1255b519dff8c45f2379700e2170c52ff75686f73872bc0eb4db478e9cf19e3d7

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            d2fbe672c38d4e1c7e78b09def30c53c

            SHA1

            2c14a1b3d13b04f373d6fab623e538dcb21b1037

            SHA256

            275a7ca8d9591163a177a63613c18320895b6f550a854a693300d781acb4792b

            SHA512

            6dd7b1152454d7239184f4cae20304d8f5a966bfdc764ac826acf05c303cbcc1255b519dff8c45f2379700e2170c52ff75686f73872bc0eb4db478e9cf19e3d7

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            d2fbe672c38d4e1c7e78b09def30c53c

            SHA1

            2c14a1b3d13b04f373d6fab623e538dcb21b1037

            SHA256

            275a7ca8d9591163a177a63613c18320895b6f550a854a693300d781acb4792b

            SHA512

            6dd7b1152454d7239184f4cae20304d8f5a966bfdc764ac826acf05c303cbcc1255b519dff8c45f2379700e2170c52ff75686f73872bc0eb4db478e9cf19e3d7

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            535243f22c5ef00f382753aca190cd1e

            SHA1

            904aa14d7155e59c6fc6e2c01f7ddf96d87a3179

            SHA256

            837424c002b7dd2cca5fb1ef3a33b34c55bcad1b1d367d281cf58caf5cf001c0

            SHA512

            82cc61697a886fbff9741c8225e38c1b8cbe426d239b8d1636ec7a8db5820191034d300f1fce0442f6ee6fe475aefb8f661bed612e3550369857762d318762e2

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            535243f22c5ef00f382753aca190cd1e

            SHA1

            904aa14d7155e59c6fc6e2c01f7ddf96d87a3179

            SHA256

            837424c002b7dd2cca5fb1ef3a33b34c55bcad1b1d367d281cf58caf5cf001c0

            SHA512

            82cc61697a886fbff9741c8225e38c1b8cbe426d239b8d1636ec7a8db5820191034d300f1fce0442f6ee6fe475aefb8f661bed612e3550369857762d318762e2

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            535243f22c5ef00f382753aca190cd1e

            SHA1

            904aa14d7155e59c6fc6e2c01f7ddf96d87a3179

            SHA256

            837424c002b7dd2cca5fb1ef3a33b34c55bcad1b1d367d281cf58caf5cf001c0

            SHA512

            82cc61697a886fbff9741c8225e38c1b8cbe426d239b8d1636ec7a8db5820191034d300f1fce0442f6ee6fe475aefb8f661bed612e3550369857762d318762e2

          • memory/1608-147-0x0000000000000000-mapping.dmp

          • memory/1964-159-0x0000000000000000-mapping.dmp

          • memory/2016-141-0x0000000000000000-mapping.dmp

          • memory/3504-139-0x0000000000000000-mapping.dmp

          • memory/3760-165-0x0000000000000000-mapping.dmp

          • memory/3888-158-0x0000000000000000-mapping.dmp

          • memory/4188-136-0x0000000000000000-mapping.dmp

          • memory/4284-142-0x0000000000000000-mapping.dmp

          • memory/4408-166-0x0000000000000000-mapping.dmp

          • memory/4676-153-0x0000000000000000-mapping.dmp

          • memory/4960-135-0x0000000000000000-mapping.dmp

          • memory/4984-140-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4984-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB