Analysis

  • max time kernel
    69s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 10:10

General

  • Target

    e0e0c856ba80535a74c73cf3810da0d2f05962fc9f4e47c84810bc2efb536c18.exe

  • Size

    603KB

  • MD5

    cb1f30051207e8072dccc8340d7ccb05

  • SHA1

    de45cd0f0e78cefcbcd1a845f18fcd37002f6f11

  • SHA256

    e0e0c856ba80535a74c73cf3810da0d2f05962fc9f4e47c84810bc2efb536c18

  • SHA512

    10fa1b39df5160e321918f80972941dc05ae987cf768704157716117f5b162c4f3bc7ff0673526afac8d481fe510b5784bafdd1b11ab624d68f45145226cd31a

  • SSDEEP

    12288:AIny5DYTmHADbKxqGN+jzNZizi830Lc7YsWXHbeYPgFDnlieC9bc1I:+UTQVN+nNci8ELcXeeYuli39b7

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\e0e0c856ba80535a74c73cf3810da0d2f05962fc9f4e47c84810bc2efb536c18.exe
    "C:\Users\Admin\AppData\Local\Temp\e0e0c856ba80535a74c73cf3810da0d2f05962fc9f4e47c84810bc2efb536c18.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:3828
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4468
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:2236
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1004
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:3664
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1852
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:3708
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:3784
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4112
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:3452
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2060
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:3888
          • 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:4840
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:4152

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nspED45.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nspED45.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nspED45.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nspED45.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nspED45.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nspED45.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nspED45.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nspED45.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nspED45.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            18a97cf7c15dfe39699d74b0dbae7dea

            SHA1

            e5523a3d28a01c412816147e5eaaf0d72b8d976f

            SHA256

            0d567bd17189970f8b635f75abd28e89c3a2d59871e5a250c90f24238ee6a72b

            SHA512

            10e13b8c45fc78869fd9d7ce6d98f3d1114cd2beb0d76a3734f5bddbe6ecb827668f831d650905351416406d90d4b995832213fec1616fc704c2be6f0362dc4f

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            18a97cf7c15dfe39699d74b0dbae7dea

            SHA1

            e5523a3d28a01c412816147e5eaaf0d72b8d976f

            SHA256

            0d567bd17189970f8b635f75abd28e89c3a2d59871e5a250c90f24238ee6a72b

            SHA512

            10e13b8c45fc78869fd9d7ce6d98f3d1114cd2beb0d76a3734f5bddbe6ecb827668f831d650905351416406d90d4b995832213fec1616fc704c2be6f0362dc4f

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            18a97cf7c15dfe39699d74b0dbae7dea

            SHA1

            e5523a3d28a01c412816147e5eaaf0d72b8d976f

            SHA256

            0d567bd17189970f8b635f75abd28e89c3a2d59871e5a250c90f24238ee6a72b

            SHA512

            10e13b8c45fc78869fd9d7ce6d98f3d1114cd2beb0d76a3734f5bddbe6ecb827668f831d650905351416406d90d4b995832213fec1616fc704c2be6f0362dc4f

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            18a97cf7c15dfe39699d74b0dbae7dea

            SHA1

            e5523a3d28a01c412816147e5eaaf0d72b8d976f

            SHA256

            0d567bd17189970f8b635f75abd28e89c3a2d59871e5a250c90f24238ee6a72b

            SHA512

            10e13b8c45fc78869fd9d7ce6d98f3d1114cd2beb0d76a3734f5bddbe6ecb827668f831d650905351416406d90d4b995832213fec1616fc704c2be6f0362dc4f

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            5a8219552ed86773c3091731250238b8

            SHA1

            6feef49c85166b57936e28af0687d5590316c7ab

            SHA256

            f08ea26d579b8226b57ab7afdef6c0336922369a97d4c81e484242b10b148721

            SHA512

            e32887ad58374a4621c4d3f4ca52f4e7687dd83bdc23524f77f591713853ebf9451a7bc414c10dfeb022cb5cc83c7996a58097f6f5a1e443df5b9d017e972be3

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            5a8219552ed86773c3091731250238b8

            SHA1

            6feef49c85166b57936e28af0687d5590316c7ab

            SHA256

            f08ea26d579b8226b57ab7afdef6c0336922369a97d4c81e484242b10b148721

            SHA512

            e32887ad58374a4621c4d3f4ca52f4e7687dd83bdc23524f77f591713853ebf9451a7bc414c10dfeb022cb5cc83c7996a58097f6f5a1e443df5b9d017e972be3

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            5a8219552ed86773c3091731250238b8

            SHA1

            6feef49c85166b57936e28af0687d5590316c7ab

            SHA256

            f08ea26d579b8226b57ab7afdef6c0336922369a97d4c81e484242b10b148721

            SHA512

            e32887ad58374a4621c4d3f4ca52f4e7687dd83bdc23524f77f591713853ebf9451a7bc414c10dfeb022cb5cc83c7996a58097f6f5a1e443df5b9d017e972be3

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            3c53294692f7f5849198e9e08effbd77

            SHA1

            f9b374831b1707fb5523b220e88cc23f9717c63e

            SHA256

            fd9cea54a4163ea3bd34af6c2cfcc7249a9617641165475436abd1da74b889bc

            SHA512

            e330c0b31fc0154b6368adadd47164cde4ab9ca082817d9fc2db7f31d532bef7233068907b33d07ec2212d10e504155674c1b32e68c0532d696ca21988a6413e

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            3c53294692f7f5849198e9e08effbd77

            SHA1

            f9b374831b1707fb5523b220e88cc23f9717c63e

            SHA256

            fd9cea54a4163ea3bd34af6c2cfcc7249a9617641165475436abd1da74b889bc

            SHA512

            e330c0b31fc0154b6368adadd47164cde4ab9ca082817d9fc2db7f31d532bef7233068907b33d07ec2212d10e504155674c1b32e68c0532d696ca21988a6413e

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            37c2557a84a8a37b0557ba599a86da9b

            SHA1

            c372829c64959683c89317512cc3da691dfc9c44

            SHA256

            9afa6fcf57b33e7c9ae99ff1de761ce3a3340d7ba82e0e32a52d81eceab37146

            SHA512

            a53570362370d440acf22ea932a64cc19a20246c225a1188611b74a4e18dd35c4b85cf982a0efcc754493572731fcd76408ea8db26007e48eb9e707e69eab791

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            37c2557a84a8a37b0557ba599a86da9b

            SHA1

            c372829c64959683c89317512cc3da691dfc9c44

            SHA256

            9afa6fcf57b33e7c9ae99ff1de761ce3a3340d7ba82e0e32a52d81eceab37146

            SHA512

            a53570362370d440acf22ea932a64cc19a20246c225a1188611b74a4e18dd35c4b85cf982a0efcc754493572731fcd76408ea8db26007e48eb9e707e69eab791

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            37c2557a84a8a37b0557ba599a86da9b

            SHA1

            c372829c64959683c89317512cc3da691dfc9c44

            SHA256

            9afa6fcf57b33e7c9ae99ff1de761ce3a3340d7ba82e0e32a52d81eceab37146

            SHA512

            a53570362370d440acf22ea932a64cc19a20246c225a1188611b74a4e18dd35c4b85cf982a0efcc754493572731fcd76408ea8db26007e48eb9e707e69eab791

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            81340f8fbaaabd383b39c18ddde2198e

            SHA1

            5847ae2bbb5f37943dd5c3d5801a57b09945da69

            SHA256

            cbb97e25e43cd60150f8a17f8bc306b40b8824947a8fd61d368f2fa73f248d13

            SHA512

            86aab32d786d700f297579fc2746af3ce31ec4b31d95380e2f722554f78c14f1dc1375e065c8737d0ff9e3f749e7e8f2e06302effe7726a35205208b2cef35a6

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            81340f8fbaaabd383b39c18ddde2198e

            SHA1

            5847ae2bbb5f37943dd5c3d5801a57b09945da69

            SHA256

            cbb97e25e43cd60150f8a17f8bc306b40b8824947a8fd61d368f2fa73f248d13

            SHA512

            86aab32d786d700f297579fc2746af3ce31ec4b31d95380e2f722554f78c14f1dc1375e065c8737d0ff9e3f749e7e8f2e06302effe7726a35205208b2cef35a6

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            81340f8fbaaabd383b39c18ddde2198e

            SHA1

            5847ae2bbb5f37943dd5c3d5801a57b09945da69

            SHA256

            cbb97e25e43cd60150f8a17f8bc306b40b8824947a8fd61d368f2fa73f248d13

            SHA512

            86aab32d786d700f297579fc2746af3ce31ec4b31d95380e2f722554f78c14f1dc1375e065c8737d0ff9e3f749e7e8f2e06302effe7726a35205208b2cef35a6

          • memory/1004-141-0x0000000000000000-mapping.dmp

          • memory/1852-143-0x0000000000000000-mapping.dmp

          • memory/2060-166-0x0000000000000000-mapping.dmp

          • memory/2236-138-0x0000000000000000-mapping.dmp

          • memory/3452-160-0x0000000000000000-mapping.dmp

          • memory/3664-142-0x0000000000000000-mapping.dmp

          • memory/3708-148-0x0000000000000000-mapping.dmp

          • memory/3784-154-0x0000000000000000-mapping.dmp

          • memory/3828-133-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/3828-169-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/3888-167-0x0000000000000000-mapping.dmp

          • memory/4112-159-0x0000000000000000-mapping.dmp

          • memory/4468-137-0x0000000000000000-mapping.dmp