Analysis

  • max time kernel
    46s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 10:32

General

  • Target

    192c23d78d3acd27bfc52e1118a8ead018ea598ce8b92c3bde7c1826216faedc.exe

  • Size

    603KB

  • MD5

    4103dd5bdc3dbfd1ab5411d217dc3575

  • SHA1

    c67beb7507859c3d893e3b01b71f53c4becb4946

  • SHA256

    192c23d78d3acd27bfc52e1118a8ead018ea598ce8b92c3bde7c1826216faedc

  • SHA512

    3454ab2716b53c6d26a59f8cb69daa29abd22a026ac330dfb1177dd0e383213fd404ce88536bcc352f20ee162cd6967dead58fd5d5433aaa7154df160e3bf16f

  • SSDEEP

    12288:PIny5DYTQIDxFVoKG4eLEulJDqS1sDGB2nLHf7jmYn:XUTQQxFVop4SEwbeaBAzfeYn

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 13 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.

  • Runs net.exe
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\192c23d78d3acd27bfc52e1118a8ead018ea598ce8b92c3bde7c1826216faedc.exe
    "C:\Users\Admin\AppData\Local\Temp\192c23d78d3acd27bfc52e1118a8ead018ea598ce8b92c3bde7c1826216faedc.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:1500
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1120
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:460
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1700
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:432
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1676
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1556
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:840
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1644
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:1336
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:972
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:760
          • C:\Windows\SysWOW64\nethtsrv.exe
            C:\Windows\SysWOW64\nethtsrv.exe
            1⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of AdjustPrivilegeToken
            PID:812
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:1604

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            1044ff52c360244ecc668877bf62bfe5

            SHA1

            c966d547033c41dfb1bce36271469cf0247f3edf

            SHA256

            e00b5e1bf4d1aa5625708bc2f8d9fd586bfe64d7e8a10cddf044d31db297a187

            SHA512

            0b1b45f68ec74b949a404ce5047a57cdf54b1b262a5bfc3cb12707bd537642e79153bc8f1263d37d0b2161ed766e2ec0755447a845cbb4232012634b6f26930e

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            b26d50b5ba08d0cf59548e0edbb434d4

            SHA1

            d4c9cb23794421aeb833c89bf1a1e664e8ae5b8c

            SHA256

            315c93a08c0c09bc51338c2c0ae7a1dd0cd43b7585e171204ca295981bd1550a

            SHA512

            090f8953e3681c6e5fc85e1e5fa630b500d0fbbb7e2028822d4e94fec1937cffc83915ce94686e0f4567e75c887553954563c8c77fe31f9b780f83ed8db99c40

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            32d0d9d63de8af3372e0f14d675ef751

            SHA1

            e94284b14f375bdc1b1e94c3e7d202b4af531021

            SHA256

            98046de61f5989d395c39c42e61845a13d5f3a1ce7ab243392f04094d3553ec3

            SHA512

            83e8131c4db91df9a4203073c9ed46d1416ec0b311176a3fc9a6a12de0f465c492ec719ef15e2010b10bdb2c22159712650951c66319d43a450a0ec36481380f

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            51f38acd532babd6be3ae5081e18a9ff

            SHA1

            95878e6eb2a306173aa236da79a7e3bdfdfa2d0f

            SHA256

            add6a50595f5a868c463392078d28cd5a332cba689473153479e7792e8656135

            SHA512

            d1a680270fa681bb02e7413ebece81a230b965c6fc9c2453e2314c172d29fb81b235d70c2013c9700e601bf9bb5f2a473d4732d7a60812935c881f699b51b34a

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            51f38acd532babd6be3ae5081e18a9ff

            SHA1

            95878e6eb2a306173aa236da79a7e3bdfdfa2d0f

            SHA256

            add6a50595f5a868c463392078d28cd5a332cba689473153479e7792e8656135

            SHA512

            d1a680270fa681bb02e7413ebece81a230b965c6fc9c2453e2314c172d29fb81b235d70c2013c9700e601bf9bb5f2a473d4732d7a60812935c881f699b51b34a

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            b9e8c49c0ecd205afbe93953bdb02b13

            SHA1

            4e61797ce5746a8d2beaadad7aba1aa20ea962a8

            SHA256

            4706281a07aeab40da98688b79dc788db662e2995778854563ee265d5fdb110d

            SHA512

            da7c05950573b3f90d405218776c38f44acd59a82c53f18300b724d9cb4e1c30554dfc1d37e2a7dee05b579ac645eda3dfdfcde47ad748437e8795aa903290a8

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            b9e8c49c0ecd205afbe93953bdb02b13

            SHA1

            4e61797ce5746a8d2beaadad7aba1aa20ea962a8

            SHA256

            4706281a07aeab40da98688b79dc788db662e2995778854563ee265d5fdb110d

            SHA512

            da7c05950573b3f90d405218776c38f44acd59a82c53f18300b724d9cb4e1c30554dfc1d37e2a7dee05b579ac645eda3dfdfcde47ad748437e8795aa903290a8

          • \Users\Admin\AppData\Local\Temp\nsdFD55.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • \Users\Admin\AppData\Local\Temp\nsdFD55.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nsdFD55.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nsdFD55.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nsdFD55.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            1044ff52c360244ecc668877bf62bfe5

            SHA1

            c966d547033c41dfb1bce36271469cf0247f3edf

            SHA256

            e00b5e1bf4d1aa5625708bc2f8d9fd586bfe64d7e8a10cddf044d31db297a187

            SHA512

            0b1b45f68ec74b949a404ce5047a57cdf54b1b262a5bfc3cb12707bd537642e79153bc8f1263d37d0b2161ed766e2ec0755447a845cbb4232012634b6f26930e

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            1044ff52c360244ecc668877bf62bfe5

            SHA1

            c966d547033c41dfb1bce36271469cf0247f3edf

            SHA256

            e00b5e1bf4d1aa5625708bc2f8d9fd586bfe64d7e8a10cddf044d31db297a187

            SHA512

            0b1b45f68ec74b949a404ce5047a57cdf54b1b262a5bfc3cb12707bd537642e79153bc8f1263d37d0b2161ed766e2ec0755447a845cbb4232012634b6f26930e

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            1044ff52c360244ecc668877bf62bfe5

            SHA1

            c966d547033c41dfb1bce36271469cf0247f3edf

            SHA256

            e00b5e1bf4d1aa5625708bc2f8d9fd586bfe64d7e8a10cddf044d31db297a187

            SHA512

            0b1b45f68ec74b949a404ce5047a57cdf54b1b262a5bfc3cb12707bd537642e79153bc8f1263d37d0b2161ed766e2ec0755447a845cbb4232012634b6f26930e

          • \Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            b26d50b5ba08d0cf59548e0edbb434d4

            SHA1

            d4c9cb23794421aeb833c89bf1a1e664e8ae5b8c

            SHA256

            315c93a08c0c09bc51338c2c0ae7a1dd0cd43b7585e171204ca295981bd1550a

            SHA512

            090f8953e3681c6e5fc85e1e5fa630b500d0fbbb7e2028822d4e94fec1937cffc83915ce94686e0f4567e75c887553954563c8c77fe31f9b780f83ed8db99c40

          • \Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            b26d50b5ba08d0cf59548e0edbb434d4

            SHA1

            d4c9cb23794421aeb833c89bf1a1e664e8ae5b8c

            SHA256

            315c93a08c0c09bc51338c2c0ae7a1dd0cd43b7585e171204ca295981bd1550a

            SHA512

            090f8953e3681c6e5fc85e1e5fa630b500d0fbbb7e2028822d4e94fec1937cffc83915ce94686e0f4567e75c887553954563c8c77fe31f9b780f83ed8db99c40

          • \Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            32d0d9d63de8af3372e0f14d675ef751

            SHA1

            e94284b14f375bdc1b1e94c3e7d202b4af531021

            SHA256

            98046de61f5989d395c39c42e61845a13d5f3a1ce7ab243392f04094d3553ec3

            SHA512

            83e8131c4db91df9a4203073c9ed46d1416ec0b311176a3fc9a6a12de0f465c492ec719ef15e2010b10bdb2c22159712650951c66319d43a450a0ec36481380f

          • \Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            51f38acd532babd6be3ae5081e18a9ff

            SHA1

            95878e6eb2a306173aa236da79a7e3bdfdfa2d0f

            SHA256

            add6a50595f5a868c463392078d28cd5a332cba689473153479e7792e8656135

            SHA512

            d1a680270fa681bb02e7413ebece81a230b965c6fc9c2453e2314c172d29fb81b235d70c2013c9700e601bf9bb5f2a473d4732d7a60812935c881f699b51b34a

          • \Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            b9e8c49c0ecd205afbe93953bdb02b13

            SHA1

            4e61797ce5746a8d2beaadad7aba1aa20ea962a8

            SHA256

            4706281a07aeab40da98688b79dc788db662e2995778854563ee265d5fdb110d

            SHA512

            da7c05950573b3f90d405218776c38f44acd59a82c53f18300b724d9cb4e1c30554dfc1d37e2a7dee05b579ac645eda3dfdfcde47ad748437e8795aa903290a8

          • memory/432-62-0x0000000000000000-mapping.dmp

          • memory/460-58-0x0000000000000000-mapping.dmp

          • memory/760-87-0x0000000000000000-mapping.dmp

          • memory/840-76-0x0000000000000000-mapping.dmp

          • memory/972-86-0x0000000000000000-mapping.dmp

          • memory/1120-57-0x0000000000000000-mapping.dmp

          • memory/1336-81-0x0000000000000000-mapping.dmp

          • memory/1500-90-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1500-54-0x0000000075D71000-0x0000000075D73000-memory.dmp

            Filesize

            8KB

          • memory/1500-59-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1556-70-0x0000000000000000-mapping.dmp

          • memory/1644-80-0x0000000000000000-mapping.dmp

          • memory/1676-64-0x0000000000000000-mapping.dmp

          • memory/1700-61-0x0000000000000000-mapping.dmp