Analysis

  • max time kernel
    145s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 15:20

General

  • Target

    1adbe9ecd262dfd84e725dba5dc5095a757c08966c05288d4ff940b823e54b32.exe

  • Size

    562KB

  • MD5

    ed44e52835114f1bc4446c4266c8144b

  • SHA1

    1cab864d61b8fe7777d0b3f20fa1bed4e169f204

  • SHA256

    1adbe9ecd262dfd84e725dba5dc5095a757c08966c05288d4ff940b823e54b32

  • SHA512

    1e71d0aa315dfe59b79f2947f45b56af8f17dbc28dbf2276f4e11753e5004d70b00e1d93f91b8c3525da4a66b5850a4e72247925d7956965fa9e4d8192de3d0a

  • SSDEEP

    12288:3PRYzHbfCd0zdpQr5yuP1sfRfljI/qGmzBO+wEsus2S69oCV:Kz7fysdpQr5yEspf5LdO+3HT3mCV

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\1adbe9ecd262dfd84e725dba5dc5095a757c08966c05288d4ff940b823e54b32.exe
    "C:\Users\Admin\AppData\Local\Temp\1adbe9ecd262dfd84e725dba5dc5095a757c08966c05288d4ff940b823e54b32.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:1712
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1396
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:4480
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3780
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:3024
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2728
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1684
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:2160
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3136
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:1528
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4680
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:2304
          • 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:4700
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:1788

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nshF237.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nshF237.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nshF237.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nshF237.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nshF237.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nshF237.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nshF237.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nshF237.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nshF237.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            cca3d5a72be2655cb5c76ac62e42ece3

            SHA1

            e03f7c89bea1a67f5fd35745a43d641302e8b18b

            SHA256

            8a92ad9f07fd0d3753bd97b4c1dea7174ee4a5a8979bdbda299221c89853ba38

            SHA512

            3677d66485a1bd12689a8ad0e7d5d4e5a7e54b83ef27deae43625cfbbb89632003a05a00139d2cda173eac8b2c7418179337b20024937f71acb87fec3e250075

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            cca3d5a72be2655cb5c76ac62e42ece3

            SHA1

            e03f7c89bea1a67f5fd35745a43d641302e8b18b

            SHA256

            8a92ad9f07fd0d3753bd97b4c1dea7174ee4a5a8979bdbda299221c89853ba38

            SHA512

            3677d66485a1bd12689a8ad0e7d5d4e5a7e54b83ef27deae43625cfbbb89632003a05a00139d2cda173eac8b2c7418179337b20024937f71acb87fec3e250075

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            cca3d5a72be2655cb5c76ac62e42ece3

            SHA1

            e03f7c89bea1a67f5fd35745a43d641302e8b18b

            SHA256

            8a92ad9f07fd0d3753bd97b4c1dea7174ee4a5a8979bdbda299221c89853ba38

            SHA512

            3677d66485a1bd12689a8ad0e7d5d4e5a7e54b83ef27deae43625cfbbb89632003a05a00139d2cda173eac8b2c7418179337b20024937f71acb87fec3e250075

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            cca3d5a72be2655cb5c76ac62e42ece3

            SHA1

            e03f7c89bea1a67f5fd35745a43d641302e8b18b

            SHA256

            8a92ad9f07fd0d3753bd97b4c1dea7174ee4a5a8979bdbda299221c89853ba38

            SHA512

            3677d66485a1bd12689a8ad0e7d5d4e5a7e54b83ef27deae43625cfbbb89632003a05a00139d2cda173eac8b2c7418179337b20024937f71acb87fec3e250075

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            be962dde372dc1e862fbef9fd739d708

            SHA1

            c7ea5a418c57e406b77a4f835e61da1c0f5d053c

            SHA256

            69fc5dcb55d0c332500a8e346f6c7f9dfd2418e9014c75097bb60a6c841d780b

            SHA512

            e7c61e887062d22bcd1b6e226cc136dd0bdcb42b244b8dc7f0e7b938462971d2ca394955480b35b7cc56fc459a9bd37d0d25491ffb83160724b33816f35460fe

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            be962dde372dc1e862fbef9fd739d708

            SHA1

            c7ea5a418c57e406b77a4f835e61da1c0f5d053c

            SHA256

            69fc5dcb55d0c332500a8e346f6c7f9dfd2418e9014c75097bb60a6c841d780b

            SHA512

            e7c61e887062d22bcd1b6e226cc136dd0bdcb42b244b8dc7f0e7b938462971d2ca394955480b35b7cc56fc459a9bd37d0d25491ffb83160724b33816f35460fe

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            be962dde372dc1e862fbef9fd739d708

            SHA1

            c7ea5a418c57e406b77a4f835e61da1c0f5d053c

            SHA256

            69fc5dcb55d0c332500a8e346f6c7f9dfd2418e9014c75097bb60a6c841d780b

            SHA512

            e7c61e887062d22bcd1b6e226cc136dd0bdcb42b244b8dc7f0e7b938462971d2ca394955480b35b7cc56fc459a9bd37d0d25491ffb83160724b33816f35460fe

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            952dcf86f29c33debe2311da35696aef

            SHA1

            70583e96753bbbea5a962b72249b47f80f09a9a8

            SHA256

            e027210a1f1c3f264898ec28fa18821bb5ec038efbd9b560fada9c646e1dc754

            SHA512

            8db21c11b1c7b6e75f88539f24da96d52ce6b634f3fc30adcfc509e9fd1cbe3f8ccafef21bb05ad4d81fae4dd696282eb079d4f7921ff3914a6e7b7f939610b1

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            952dcf86f29c33debe2311da35696aef

            SHA1

            70583e96753bbbea5a962b72249b47f80f09a9a8

            SHA256

            e027210a1f1c3f264898ec28fa18821bb5ec038efbd9b560fada9c646e1dc754

            SHA512

            8db21c11b1c7b6e75f88539f24da96d52ce6b634f3fc30adcfc509e9fd1cbe3f8ccafef21bb05ad4d81fae4dd696282eb079d4f7921ff3914a6e7b7f939610b1

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            825fa57cc5b0f030f8b9712e3e24f7bb

            SHA1

            b9aafd9e0069acc3235d2434838374ab17cde68b

            SHA256

            f1aef307edeea92b9671a2529fbec15420922a1dd5a5c9f45b20d51ecb4cab2d

            SHA512

            478a3499f94ad2d0648d22f1e5c88b75d3a55801ef61129f4621017d4d89a66570a5e00c0b3cf3a25e9c0343f66a992c12fa53e732df3be7d3e2e5255df61fff

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            825fa57cc5b0f030f8b9712e3e24f7bb

            SHA1

            b9aafd9e0069acc3235d2434838374ab17cde68b

            SHA256

            f1aef307edeea92b9671a2529fbec15420922a1dd5a5c9f45b20d51ecb4cab2d

            SHA512

            478a3499f94ad2d0648d22f1e5c88b75d3a55801ef61129f4621017d4d89a66570a5e00c0b3cf3a25e9c0343f66a992c12fa53e732df3be7d3e2e5255df61fff

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            825fa57cc5b0f030f8b9712e3e24f7bb

            SHA1

            b9aafd9e0069acc3235d2434838374ab17cde68b

            SHA256

            f1aef307edeea92b9671a2529fbec15420922a1dd5a5c9f45b20d51ecb4cab2d

            SHA512

            478a3499f94ad2d0648d22f1e5c88b75d3a55801ef61129f4621017d4d89a66570a5e00c0b3cf3a25e9c0343f66a992c12fa53e732df3be7d3e2e5255df61fff

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            ccad5fc54836f40dfdfa48494ac949a6

            SHA1

            cdc0933bf872e8021c80aab5a8d0f4f097af9fe1

            SHA256

            890ae29030ed071e83aa22c2e4fd448b89a5d5a44e18cc16f86b8eed37839ac7

            SHA512

            d2d4da1f09ef490013a8e8312542380bd7cff1fb5291c5c8d09deae2d68100164d2ce90b15ce05095cdd595eb3b21bfd11cdfa459ff580b7aee4f867a6f27af2

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            ccad5fc54836f40dfdfa48494ac949a6

            SHA1

            cdc0933bf872e8021c80aab5a8d0f4f097af9fe1

            SHA256

            890ae29030ed071e83aa22c2e4fd448b89a5d5a44e18cc16f86b8eed37839ac7

            SHA512

            d2d4da1f09ef490013a8e8312542380bd7cff1fb5291c5c8d09deae2d68100164d2ce90b15ce05095cdd595eb3b21bfd11cdfa459ff580b7aee4f867a6f27af2

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            ccad5fc54836f40dfdfa48494ac949a6

            SHA1

            cdc0933bf872e8021c80aab5a8d0f4f097af9fe1

            SHA256

            890ae29030ed071e83aa22c2e4fd448b89a5d5a44e18cc16f86b8eed37839ac7

            SHA512

            d2d4da1f09ef490013a8e8312542380bd7cff1fb5291c5c8d09deae2d68100164d2ce90b15ce05095cdd595eb3b21bfd11cdfa459ff580b7aee4f867a6f27af2

          • memory/1396-136-0x0000000000000000-mapping.dmp

          • memory/1528-160-0x0000000000000000-mapping.dmp

          • memory/1684-148-0x0000000000000000-mapping.dmp

          • memory/1712-132-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1712-169-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1712-137-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/2160-154-0x0000000000000000-mapping.dmp

          • memory/2304-167-0x0000000000000000-mapping.dmp

          • memory/2728-143-0x0000000000000000-mapping.dmp

          • memory/3024-142-0x0000000000000000-mapping.dmp

          • memory/3136-159-0x0000000000000000-mapping.dmp

          • memory/3780-141-0x0000000000000000-mapping.dmp

          • memory/4480-138-0x0000000000000000-mapping.dmp

          • memory/4680-166-0x0000000000000000-mapping.dmp