Analysis

  • max time kernel
    152s
  • max time network
    155s
  • 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 10:23

General

  • Target

    6c6e4e95ee9b39651eb0ea99afa4fec9a967baba04bcd733d63974c495c985fb.exe

  • Size

    602KB

  • MD5

    bb44b9f29c96cc00fdeae2efd98b4b19

  • SHA1

    eb98ab2f1aeec41464eb81dfef79c8355648d256

  • SHA256

    6c6e4e95ee9b39651eb0ea99afa4fec9a967baba04bcd733d63974c495c985fb

  • SHA512

    8d2a10263f6005445977f06c38148bfb5465b4c7ae2ba1207711fd962b21620ed7d41a769b55c82299e36f689be08156020a016d6a5316366abb9af709bbeda7

  • SSDEEP

    12288:lIny5DYTDdHayIt0X0AwPnNd3AN6C2IrynzPWs8RxKJHwQoU:RUTh6yU0E50N6TnCsIc

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\6c6e4e95ee9b39651eb0ea99afa4fec9a967baba04bcd733d63974c495c985fb.exe
    "C:\Users\Admin\AppData\Local\Temp\6c6e4e95ee9b39651eb0ea99afa4fec9a967baba04bcd733d63974c495c985fb.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:2568
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1260
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:1472
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4872
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:3464
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:208
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2612
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:1660
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4408
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:5108
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:424
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:4900
          • 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:4988
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:3216

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsqD6EE.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsqD6EE.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsqD6EE.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsqD6EE.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsqD6EE.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsqD6EE.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsqD6EE.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsqD6EE.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsqD6EE.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            eca5803b071fb7a4c4e482652f00462b

            SHA1

            e09776d620f1a9a8144501834a594bbda5a87797

            SHA256

            0986c32a7d05499f74d2efa1eeb5ce962723b63208dae674d24bac4394a6c4c7

            SHA512

            78e572270f524bc67a221ed384e57d4b42f286be4afae8af509d8e353b5fe1d486578cb4b9f97bb5894ff9e75a4826d1e2b5749ffe75bae1bdb011470a74fe4f

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            eca5803b071fb7a4c4e482652f00462b

            SHA1

            e09776d620f1a9a8144501834a594bbda5a87797

            SHA256

            0986c32a7d05499f74d2efa1eeb5ce962723b63208dae674d24bac4394a6c4c7

            SHA512

            78e572270f524bc67a221ed384e57d4b42f286be4afae8af509d8e353b5fe1d486578cb4b9f97bb5894ff9e75a4826d1e2b5749ffe75bae1bdb011470a74fe4f

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            eca5803b071fb7a4c4e482652f00462b

            SHA1

            e09776d620f1a9a8144501834a594bbda5a87797

            SHA256

            0986c32a7d05499f74d2efa1eeb5ce962723b63208dae674d24bac4394a6c4c7

            SHA512

            78e572270f524bc67a221ed384e57d4b42f286be4afae8af509d8e353b5fe1d486578cb4b9f97bb5894ff9e75a4826d1e2b5749ffe75bae1bdb011470a74fe4f

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            eca5803b071fb7a4c4e482652f00462b

            SHA1

            e09776d620f1a9a8144501834a594bbda5a87797

            SHA256

            0986c32a7d05499f74d2efa1eeb5ce962723b63208dae674d24bac4394a6c4c7

            SHA512

            78e572270f524bc67a221ed384e57d4b42f286be4afae8af509d8e353b5fe1d486578cb4b9f97bb5894ff9e75a4826d1e2b5749ffe75bae1bdb011470a74fe4f

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            ae61066a78eed340afc0fcbd64b1a386

            SHA1

            4f3af9431d7a641e87e0419fc8bab86435532657

            SHA256

            4c4b04f691f1813cc7f733c7c9ac239994597bef439aa1ad7eab81b5c1a6a766

            SHA512

            b2ce9f7f2ab91cce73991822f34d9ca7c3c2d340c8dbdb9c0c30e9102818bb0bb3020b504cd05adc18d0d596d9aa7e0e94949dfb7c130ebf91fdb2b6564415f2

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            ae61066a78eed340afc0fcbd64b1a386

            SHA1

            4f3af9431d7a641e87e0419fc8bab86435532657

            SHA256

            4c4b04f691f1813cc7f733c7c9ac239994597bef439aa1ad7eab81b5c1a6a766

            SHA512

            b2ce9f7f2ab91cce73991822f34d9ca7c3c2d340c8dbdb9c0c30e9102818bb0bb3020b504cd05adc18d0d596d9aa7e0e94949dfb7c130ebf91fdb2b6564415f2

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            ae61066a78eed340afc0fcbd64b1a386

            SHA1

            4f3af9431d7a641e87e0419fc8bab86435532657

            SHA256

            4c4b04f691f1813cc7f733c7c9ac239994597bef439aa1ad7eab81b5c1a6a766

            SHA512

            b2ce9f7f2ab91cce73991822f34d9ca7c3c2d340c8dbdb9c0c30e9102818bb0bb3020b504cd05adc18d0d596d9aa7e0e94949dfb7c130ebf91fdb2b6564415f2

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            ca92558e3773e0109ac2a783b8f5cd01

            SHA1

            ed96f9b36fb26cc8dae45d0b88047ace2358bab7

            SHA256

            7737ca6ea984362db371d072c9bdd21658e1c3067115f9c6f84125923e46841c

            SHA512

            57caac5e6089ef9b88c3e7f280fe117f733a2bf6f2fdd52487a9b9ee78a53cdab7b297ed0173cbf019fce3941779a175a8294b8bf9c65a496f7962452106808a

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            ca92558e3773e0109ac2a783b8f5cd01

            SHA1

            ed96f9b36fb26cc8dae45d0b88047ace2358bab7

            SHA256

            7737ca6ea984362db371d072c9bdd21658e1c3067115f9c6f84125923e46841c

            SHA512

            57caac5e6089ef9b88c3e7f280fe117f733a2bf6f2fdd52487a9b9ee78a53cdab7b297ed0173cbf019fce3941779a175a8294b8bf9c65a496f7962452106808a

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            40f981b6257059a964b79e2e893894ed

            SHA1

            788493a35eddb487ff6f0ccd549a55a05c75ae68

            SHA256

            db118e99a4b5fcad88f39e66dee1d776957ec3b6b3e53aa87b7008131f965d64

            SHA512

            e43ef3a51a3c52e96634b112eba30243e34da4e728c913b0615dc498bdc315d3979914063a956f24a02228c868f648ad6a4d9ce2df4ee910fcd05150e70a2e74

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            40f981b6257059a964b79e2e893894ed

            SHA1

            788493a35eddb487ff6f0ccd549a55a05c75ae68

            SHA256

            db118e99a4b5fcad88f39e66dee1d776957ec3b6b3e53aa87b7008131f965d64

            SHA512

            e43ef3a51a3c52e96634b112eba30243e34da4e728c913b0615dc498bdc315d3979914063a956f24a02228c868f648ad6a4d9ce2df4ee910fcd05150e70a2e74

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            40f981b6257059a964b79e2e893894ed

            SHA1

            788493a35eddb487ff6f0ccd549a55a05c75ae68

            SHA256

            db118e99a4b5fcad88f39e66dee1d776957ec3b6b3e53aa87b7008131f965d64

            SHA512

            e43ef3a51a3c52e96634b112eba30243e34da4e728c913b0615dc498bdc315d3979914063a956f24a02228c868f648ad6a4d9ce2df4ee910fcd05150e70a2e74

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            1139b662f30bdf8f9f422a1ad4e71046

            SHA1

            2760c459007d162f2e119ac6d0470a705f0403b7

            SHA256

            6035347b0735aee88777c151aea524899280f4556e67a7e8ddb5e3411d69ef25

            SHA512

            f79b73e998a72392ce5f8437faa143282bb69c9969df6b22baea525ac12b822fef9959461b4806db52bb2a3f96cbeb4ef049d0b95b4a605d7ea166d5b9e13882

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            1139b662f30bdf8f9f422a1ad4e71046

            SHA1

            2760c459007d162f2e119ac6d0470a705f0403b7

            SHA256

            6035347b0735aee88777c151aea524899280f4556e67a7e8ddb5e3411d69ef25

            SHA512

            f79b73e998a72392ce5f8437faa143282bb69c9969df6b22baea525ac12b822fef9959461b4806db52bb2a3f96cbeb4ef049d0b95b4a605d7ea166d5b9e13882

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            1139b662f30bdf8f9f422a1ad4e71046

            SHA1

            2760c459007d162f2e119ac6d0470a705f0403b7

            SHA256

            6035347b0735aee88777c151aea524899280f4556e67a7e8ddb5e3411d69ef25

            SHA512

            f79b73e998a72392ce5f8437faa143282bb69c9969df6b22baea525ac12b822fef9959461b4806db52bb2a3f96cbeb4ef049d0b95b4a605d7ea166d5b9e13882

          • memory/208-142-0x0000000000000000-mapping.dmp

          • memory/424-166-0x0000000000000000-mapping.dmp

          • memory/1260-136-0x0000000000000000-mapping.dmp

          • memory/1472-137-0x0000000000000000-mapping.dmp

          • memory/1660-154-0x0000000000000000-mapping.dmp

          • memory/2568-169-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/2568-147-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/2568-132-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/2612-148-0x0000000000000000-mapping.dmp

          • memory/3464-141-0x0000000000000000-mapping.dmp

          • memory/4408-159-0x0000000000000000-mapping.dmp

          • memory/4872-140-0x0000000000000000-mapping.dmp

          • memory/4900-167-0x0000000000000000-mapping.dmp

          • memory/5108-160-0x0000000000000000-mapping.dmp