Analysis

  • max time kernel
    173s
  • max time network
    190s
  • 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 10:29

General

  • Target

    32ce02397e4cd465563612adb781afddacd26700c5230aeceb4bfe84ddc97825.exe

  • Size

    603KB

  • MD5

    d973559251c95047a46f21c885a9353a

  • SHA1

    746fdb19b91bf0534727b4909ab03998bc4fb8df

  • SHA256

    32ce02397e4cd465563612adb781afddacd26700c5230aeceb4bfe84ddc97825

  • SHA512

    c6e9c245cf448a9f8275cc5db331240f2b2caa89ba348730073c8a28cdd10ac03aed5bc693789dccc05f4c2a4bf9466347c515d2b5577d15eeeb0836b5047be1

  • SSDEEP

    12288:vIny5DYTfIvZFdYlyf0Nu9I3IxzxnXfLT7PuANIlnyvMAjW8Sh7EbAAe:3UTf0ZFalTYztDXvOrAlgEc

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\32ce02397e4cd465563612adb781afddacd26700c5230aeceb4bfe84ddc97825.exe
    "C:\Users\Admin\AppData\Local\Temp\32ce02397e4cd465563612adb781afddacd26700c5230aeceb4bfe84ddc97825.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:4500
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:216
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:2848
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3628
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:3048
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:376
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1284
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:4660
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2680
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:1828
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:728
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:1212
          • 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:432
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:3376

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsj6A93.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsj6A93.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsj6A93.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsj6A93.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsj6A93.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsj6A93.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsj6A93.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsj6A93.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsj6A93.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            c542a943cfd6ca62c1dc7bc3fef7f172

            SHA1

            80f2a0bbcf03f605fd398adffc881ca98557f09f

            SHA256

            072b3d9e55c31f114f7e744645082513196d71331a898b608608636093970e6d

            SHA512

            d4407df0c14ec94963d4022d7002de900862d464179cf0f89cdcd73d63dd145310e14682ff894b79fe54dbf5d1dc37eacd28ac0fc60d751f2ba31dbf6120cbc3

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            c542a943cfd6ca62c1dc7bc3fef7f172

            SHA1

            80f2a0bbcf03f605fd398adffc881ca98557f09f

            SHA256

            072b3d9e55c31f114f7e744645082513196d71331a898b608608636093970e6d

            SHA512

            d4407df0c14ec94963d4022d7002de900862d464179cf0f89cdcd73d63dd145310e14682ff894b79fe54dbf5d1dc37eacd28ac0fc60d751f2ba31dbf6120cbc3

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            c542a943cfd6ca62c1dc7bc3fef7f172

            SHA1

            80f2a0bbcf03f605fd398adffc881ca98557f09f

            SHA256

            072b3d9e55c31f114f7e744645082513196d71331a898b608608636093970e6d

            SHA512

            d4407df0c14ec94963d4022d7002de900862d464179cf0f89cdcd73d63dd145310e14682ff894b79fe54dbf5d1dc37eacd28ac0fc60d751f2ba31dbf6120cbc3

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            c542a943cfd6ca62c1dc7bc3fef7f172

            SHA1

            80f2a0bbcf03f605fd398adffc881ca98557f09f

            SHA256

            072b3d9e55c31f114f7e744645082513196d71331a898b608608636093970e6d

            SHA512

            d4407df0c14ec94963d4022d7002de900862d464179cf0f89cdcd73d63dd145310e14682ff894b79fe54dbf5d1dc37eacd28ac0fc60d751f2ba31dbf6120cbc3

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            c21b2d701c2aa550afdea04f515dd0c8

            SHA1

            9b3da260e5b82e6d46596596a5a933bebb156be8

            SHA256

            27d7f78af25dcdaaea3bfa51f5c2fd56e729cc1ed95fa9c0989599a53e0c75e6

            SHA512

            f2376228628af0eb0e4fe577993eec3ad980b951ec8bb6b1b3505e117b2e18fdc603aea536f67ac583184eb6d1919355e8dba9663ffa7f2d25f2e42471ad5b80

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            c21b2d701c2aa550afdea04f515dd0c8

            SHA1

            9b3da260e5b82e6d46596596a5a933bebb156be8

            SHA256

            27d7f78af25dcdaaea3bfa51f5c2fd56e729cc1ed95fa9c0989599a53e0c75e6

            SHA512

            f2376228628af0eb0e4fe577993eec3ad980b951ec8bb6b1b3505e117b2e18fdc603aea536f67ac583184eb6d1919355e8dba9663ffa7f2d25f2e42471ad5b80

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            c21b2d701c2aa550afdea04f515dd0c8

            SHA1

            9b3da260e5b82e6d46596596a5a933bebb156be8

            SHA256

            27d7f78af25dcdaaea3bfa51f5c2fd56e729cc1ed95fa9c0989599a53e0c75e6

            SHA512

            f2376228628af0eb0e4fe577993eec3ad980b951ec8bb6b1b3505e117b2e18fdc603aea536f67ac583184eb6d1919355e8dba9663ffa7f2d25f2e42471ad5b80

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            235bdbceff8b4d4334f5dc0c7356db82

            SHA1

            6dc6c2ece895104adc87c3e4accc751ede677277

            SHA256

            8d52062309a98078f2a6d0c9f0e149914cfea36a1efed14f3782d162b0c280b7

            SHA512

            cb5eb7d18815aa98f0d262fbf0d25cd95cbddc80a2d2fd5a8678f730344f8b97e9e3144ac15ccf734214c6fe73b1019907ed0f144c137acb109719936f888287

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            235bdbceff8b4d4334f5dc0c7356db82

            SHA1

            6dc6c2ece895104adc87c3e4accc751ede677277

            SHA256

            8d52062309a98078f2a6d0c9f0e149914cfea36a1efed14f3782d162b0c280b7

            SHA512

            cb5eb7d18815aa98f0d262fbf0d25cd95cbddc80a2d2fd5a8678f730344f8b97e9e3144ac15ccf734214c6fe73b1019907ed0f144c137acb109719936f888287

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            87bcbc3a490dc4b1e9e39521a2477555

            SHA1

            d55ba5fdf27a47d64606e3397d296606125427e5

            SHA256

            2875df1825b2bd29a4853b08db140a84d390c9a6dba855382b345c29b16db0f6

            SHA512

            ae992e02562955ac927822853c19c5aee875d47e303557c872fcb9efa14972b634edc7b637074e60e749dcd09cb376c21526258e56963b1d4582ae79559bea82

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            87bcbc3a490dc4b1e9e39521a2477555

            SHA1

            d55ba5fdf27a47d64606e3397d296606125427e5

            SHA256

            2875df1825b2bd29a4853b08db140a84d390c9a6dba855382b345c29b16db0f6

            SHA512

            ae992e02562955ac927822853c19c5aee875d47e303557c872fcb9efa14972b634edc7b637074e60e749dcd09cb376c21526258e56963b1d4582ae79559bea82

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            87bcbc3a490dc4b1e9e39521a2477555

            SHA1

            d55ba5fdf27a47d64606e3397d296606125427e5

            SHA256

            2875df1825b2bd29a4853b08db140a84d390c9a6dba855382b345c29b16db0f6

            SHA512

            ae992e02562955ac927822853c19c5aee875d47e303557c872fcb9efa14972b634edc7b637074e60e749dcd09cb376c21526258e56963b1d4582ae79559bea82

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            93b63de8a3dbc178c39edc315c2ac02d

            SHA1

            561f0aa3e52d5670e460039adfd8f47f6e5736f9

            SHA256

            cffeff94aad2ef57817d9c6f5bbf2dad8a5177359356ea878307bbbb84a8a699

            SHA512

            891290c0bf684830859ce31f32d65a88066ce7121a4d7171592255c7ba8fe2589ce32ca81204a0ff0c342702350a85bfdadf5ecebae914686253671d9d9846af

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            93b63de8a3dbc178c39edc315c2ac02d

            SHA1

            561f0aa3e52d5670e460039adfd8f47f6e5736f9

            SHA256

            cffeff94aad2ef57817d9c6f5bbf2dad8a5177359356ea878307bbbb84a8a699

            SHA512

            891290c0bf684830859ce31f32d65a88066ce7121a4d7171592255c7ba8fe2589ce32ca81204a0ff0c342702350a85bfdadf5ecebae914686253671d9d9846af

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            93b63de8a3dbc178c39edc315c2ac02d

            SHA1

            561f0aa3e52d5670e460039adfd8f47f6e5736f9

            SHA256

            cffeff94aad2ef57817d9c6f5bbf2dad8a5177359356ea878307bbbb84a8a699

            SHA512

            891290c0bf684830859ce31f32d65a88066ce7121a4d7171592255c7ba8fe2589ce32ca81204a0ff0c342702350a85bfdadf5ecebae914686253671d9d9846af

          • memory/216-135-0x0000000000000000-mapping.dmp

          • memory/376-142-0x0000000000000000-mapping.dmp

          • memory/728-165-0x0000000000000000-mapping.dmp

          • memory/1212-166-0x0000000000000000-mapping.dmp

          • memory/1284-147-0x0000000000000000-mapping.dmp

          • memory/1828-159-0x0000000000000000-mapping.dmp

          • memory/2680-158-0x0000000000000000-mapping.dmp

          • memory/2848-136-0x0000000000000000-mapping.dmp

          • memory/3048-141-0x0000000000000000-mapping.dmp

          • memory/3628-140-0x0000000000000000-mapping.dmp

          • memory/4500-137-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4500-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4660-153-0x0000000000000000-mapping.dmp