Analysis

  • max time kernel
    204s
  • max time network
    209s
  • 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 10:54

General

  • Target

    9d64613f42045fb814c04c3a65a2c82bb733d7435de65a3b46c3c4560aa7ec04.exe

  • Size

    447KB

  • MD5

    465fcecd3b373ef5d5c88b716da667e9

  • SHA1

    d2360f82342a444f2670ad13f6de491e6b1d90f4

  • SHA256

    9d64613f42045fb814c04c3a65a2c82bb733d7435de65a3b46c3c4560aa7ec04

  • SHA512

    ab29e908bc6141681f34e1978ee1c2afd49741eb555b4779691fbafd267c66690fdec4c9202b09489ff1140c126c3fa1b99c3fe9daed80ce4b1903aeff8f9b2c

  • SSDEEP

    12288:vhWFn0cpyxui4Pe+/HhZwenzAzK+ZheGWto3J+:vw0wPY+fHwenzeBOuo

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\9d64613f42045fb814c04c3a65a2c82bb733d7435de65a3b46c3c4560aa7ec04.exe
    "C:\Users\Admin\AppData\Local\Temp\9d64613f42045fb814c04c3a65a2c82bb733d7435de65a3b46c3c4560aa7ec04.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:2216
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1924
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:1504
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2560
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:316
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:216
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4264
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:2016
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2212
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:1272
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4348
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:4928
          • 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:720
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:4432

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsx73F9.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsx73F9.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsx73F9.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsx73F9.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsx73F9.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsx73F9.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsx73F9.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsx73F9.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsx73F9.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            1dbf1d88714018c1b431decd37365870

            SHA1

            53de2eabf30000ed34524eb44c37b76031012f56

            SHA256

            cc8cb817de8122fa3a66f0fe3f9b1cf9c25895b722e73814631a7027e7981f70

            SHA512

            6d10909540ef9054d5aa548b7bf7a253007896fd1305097ea5dc0ed6f62fd34749f3197ef77e5a9c7594d81c116b9f6388390e3802bd58087645ef7abfe5e750

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            1dbf1d88714018c1b431decd37365870

            SHA1

            53de2eabf30000ed34524eb44c37b76031012f56

            SHA256

            cc8cb817de8122fa3a66f0fe3f9b1cf9c25895b722e73814631a7027e7981f70

            SHA512

            6d10909540ef9054d5aa548b7bf7a253007896fd1305097ea5dc0ed6f62fd34749f3197ef77e5a9c7594d81c116b9f6388390e3802bd58087645ef7abfe5e750

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            1dbf1d88714018c1b431decd37365870

            SHA1

            53de2eabf30000ed34524eb44c37b76031012f56

            SHA256

            cc8cb817de8122fa3a66f0fe3f9b1cf9c25895b722e73814631a7027e7981f70

            SHA512

            6d10909540ef9054d5aa548b7bf7a253007896fd1305097ea5dc0ed6f62fd34749f3197ef77e5a9c7594d81c116b9f6388390e3802bd58087645ef7abfe5e750

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            1dbf1d88714018c1b431decd37365870

            SHA1

            53de2eabf30000ed34524eb44c37b76031012f56

            SHA256

            cc8cb817de8122fa3a66f0fe3f9b1cf9c25895b722e73814631a7027e7981f70

            SHA512

            6d10909540ef9054d5aa548b7bf7a253007896fd1305097ea5dc0ed6f62fd34749f3197ef77e5a9c7594d81c116b9f6388390e3802bd58087645ef7abfe5e750

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            e071402df53f34015f7e170faa3707a8

            SHA1

            fed1cd22323215fde42e80ed92b1df7042599dda

            SHA256

            3d7aab67308e36c5b9b18faa742ea4f0359aba103f019424087c7df5042adbbf

            SHA512

            59e0657252c923d4f217f9953afe54e59797647648b6a22cf038a370b844097a6c872dcd1f4d85cf15dba9480a55e1765f8bf6a10a657bbac74dc160815a0f7f

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            e071402df53f34015f7e170faa3707a8

            SHA1

            fed1cd22323215fde42e80ed92b1df7042599dda

            SHA256

            3d7aab67308e36c5b9b18faa742ea4f0359aba103f019424087c7df5042adbbf

            SHA512

            59e0657252c923d4f217f9953afe54e59797647648b6a22cf038a370b844097a6c872dcd1f4d85cf15dba9480a55e1765f8bf6a10a657bbac74dc160815a0f7f

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            e071402df53f34015f7e170faa3707a8

            SHA1

            fed1cd22323215fde42e80ed92b1df7042599dda

            SHA256

            3d7aab67308e36c5b9b18faa742ea4f0359aba103f019424087c7df5042adbbf

            SHA512

            59e0657252c923d4f217f9953afe54e59797647648b6a22cf038a370b844097a6c872dcd1f4d85cf15dba9480a55e1765f8bf6a10a657bbac74dc160815a0f7f

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            e1075e62410a9d65ef637702bd488e0b

            SHA1

            5f7e25aff010e1c64ce92e352ecb6f223cb60573

            SHA256

            46408ba3d69b4f52648c6e633be4238bc80e1a4a096aa5ca48c6d8f652db1a4e

            SHA512

            df91f56e0afa220ab6ce708070c66825708656bc306a77c5e75870ff9af79cabf6187e4db4d775acf52442a11b968303c4d14d0681228c80cbc1b1024ae8b6ae

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            e1075e62410a9d65ef637702bd488e0b

            SHA1

            5f7e25aff010e1c64ce92e352ecb6f223cb60573

            SHA256

            46408ba3d69b4f52648c6e633be4238bc80e1a4a096aa5ca48c6d8f652db1a4e

            SHA512

            df91f56e0afa220ab6ce708070c66825708656bc306a77c5e75870ff9af79cabf6187e4db4d775acf52442a11b968303c4d14d0681228c80cbc1b1024ae8b6ae

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            8977df039fbc204406ef113fd2a26235

            SHA1

            50f073943047abc72bb6673543df536d6a5b2533

            SHA256

            fef3d2b5db67ea71f8ec4c8cc833aa62b20f9e34ac787ed1e29c5aeca4f26dd5

            SHA512

            f1afa1da7fecce44f3ee7db28d1bd7b2bf632af2c8e2cbdbeb671da68687fe14459aa0b209d460297b8485c800d6e13486bb0bb61d66546d532ce375297fd715

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            8977df039fbc204406ef113fd2a26235

            SHA1

            50f073943047abc72bb6673543df536d6a5b2533

            SHA256

            fef3d2b5db67ea71f8ec4c8cc833aa62b20f9e34ac787ed1e29c5aeca4f26dd5

            SHA512

            f1afa1da7fecce44f3ee7db28d1bd7b2bf632af2c8e2cbdbeb671da68687fe14459aa0b209d460297b8485c800d6e13486bb0bb61d66546d532ce375297fd715

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            8977df039fbc204406ef113fd2a26235

            SHA1

            50f073943047abc72bb6673543df536d6a5b2533

            SHA256

            fef3d2b5db67ea71f8ec4c8cc833aa62b20f9e34ac787ed1e29c5aeca4f26dd5

            SHA512

            f1afa1da7fecce44f3ee7db28d1bd7b2bf632af2c8e2cbdbeb671da68687fe14459aa0b209d460297b8485c800d6e13486bb0bb61d66546d532ce375297fd715

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            1dfcd6adb5352f8ed309853d6b571310

            SHA1

            82f0aa082645684b3c1c6fadad6b4b7df88180ff

            SHA256

            7938c231d95731e89aa77555685a251b7a2d309286bb6a9dca944d34d2d61f32

            SHA512

            10bb98f43ace3fc1ca866336c3264a9da60ff0190eb856549941d99b6bf9e1230972ea78607ea7e3971023acf100839d4170e6645d2c2dfb1019235b187880b9

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            1dfcd6adb5352f8ed309853d6b571310

            SHA1

            82f0aa082645684b3c1c6fadad6b4b7df88180ff

            SHA256

            7938c231d95731e89aa77555685a251b7a2d309286bb6a9dca944d34d2d61f32

            SHA512

            10bb98f43ace3fc1ca866336c3264a9da60ff0190eb856549941d99b6bf9e1230972ea78607ea7e3971023acf100839d4170e6645d2c2dfb1019235b187880b9

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            1dfcd6adb5352f8ed309853d6b571310

            SHA1

            82f0aa082645684b3c1c6fadad6b4b7df88180ff

            SHA256

            7938c231d95731e89aa77555685a251b7a2d309286bb6a9dca944d34d2d61f32

            SHA512

            10bb98f43ace3fc1ca866336c3264a9da60ff0190eb856549941d99b6bf9e1230972ea78607ea7e3971023acf100839d4170e6645d2c2dfb1019235b187880b9

          • memory/216-144-0x0000000000000000-mapping.dmp

          • memory/316-143-0x0000000000000000-mapping.dmp

          • memory/1272-161-0x0000000000000000-mapping.dmp

          • memory/1504-139-0x0000000000000000-mapping.dmp

          • memory/1924-138-0x0000000000000000-mapping.dmp

          • memory/2016-155-0x0000000000000000-mapping.dmp

          • memory/2212-160-0x0000000000000000-mapping.dmp

          • memory/2560-142-0x0000000000000000-mapping.dmp

          • memory/4264-149-0x0000000000000000-mapping.dmp

          • memory/4348-167-0x0000000000000000-mapping.dmp

          • memory/4928-168-0x0000000000000000-mapping.dmp