Analysis

  • max time kernel
    142s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 10:33

General

  • Target

    0dd6341e7d54648aa0ff3b4d790c783be249999260840ac17cb58497264d85c6.exe

  • Size

    602KB

  • MD5

    53814343446ea5baa70317405d3c8ecb

  • SHA1

    3b7572f4a7ce110b9f5250f2ed9693ef17177df3

  • SHA256

    0dd6341e7d54648aa0ff3b4d790c783be249999260840ac17cb58497264d85c6

  • SHA512

    ba49ef4672b396af27e5d57b7ba8c694a05109327be7c5b3452412e1aecb952c4cd32cb55a0d583c38904c931533fb79607168a22c06dc78400c9916b464e273

  • SSDEEP

    12288:JIny5DYT0N4Ua87ZFur73/7D5lwJEXOg6nKQXgKGJxy6tsqfw:lUT0bDvun3/7ge+gspGJ86Cq

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\0dd6341e7d54648aa0ff3b4d790c783be249999260840ac17cb58497264d85c6.exe
    "C:\Users\Admin\AppData\Local\Temp\0dd6341e7d54648aa0ff3b4d790c783be249999260840ac17cb58497264d85c6.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:964
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5100
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:5096
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:420
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:4712
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4808
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:912
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:4876
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2808
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:3508
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:512
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:3260
          • 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:4220
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:4224

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsgCB84.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsgCB84.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsgCB84.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsgCB84.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsgCB84.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsgCB84.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsgCB84.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsgCB84.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsgCB84.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            4e12e8dff9db9a709911c5e869672add

            SHA1

            c49d3cdff0ae83aa75d49a5e2948d42462267924

            SHA256

            3eef69cc02e95dab7a27b948e52be5295fa5a986d42fa2583c944b060ab82242

            SHA512

            133c8a30217022545efc28c89e70499b9a82618babfcf3c90e1195fa0f985edf7bbc746ab097a477e1d1a4442d4d6e5c3e2f83583f19d916550d27b905cfe39b

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            4e12e8dff9db9a709911c5e869672add

            SHA1

            c49d3cdff0ae83aa75d49a5e2948d42462267924

            SHA256

            3eef69cc02e95dab7a27b948e52be5295fa5a986d42fa2583c944b060ab82242

            SHA512

            133c8a30217022545efc28c89e70499b9a82618babfcf3c90e1195fa0f985edf7bbc746ab097a477e1d1a4442d4d6e5c3e2f83583f19d916550d27b905cfe39b

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            4e12e8dff9db9a709911c5e869672add

            SHA1

            c49d3cdff0ae83aa75d49a5e2948d42462267924

            SHA256

            3eef69cc02e95dab7a27b948e52be5295fa5a986d42fa2583c944b060ab82242

            SHA512

            133c8a30217022545efc28c89e70499b9a82618babfcf3c90e1195fa0f985edf7bbc746ab097a477e1d1a4442d4d6e5c3e2f83583f19d916550d27b905cfe39b

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            4e12e8dff9db9a709911c5e869672add

            SHA1

            c49d3cdff0ae83aa75d49a5e2948d42462267924

            SHA256

            3eef69cc02e95dab7a27b948e52be5295fa5a986d42fa2583c944b060ab82242

            SHA512

            133c8a30217022545efc28c89e70499b9a82618babfcf3c90e1195fa0f985edf7bbc746ab097a477e1d1a4442d4d6e5c3e2f83583f19d916550d27b905cfe39b

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            0792ee41ecba7eb73bf1f1b0281326f4

            SHA1

            5e34124e4159941f7ca1d7f928c76edb454df1d6

            SHA256

            068e8e88748406bdfe5024c85c757bad1fb6c06f1541ab9b765478a1b2fa985a

            SHA512

            1d5c85efb07ec1c2716b7202ca57986e1d1cec956e72a5eba46468a4744ca7432e48e2ba1d4ef2873c705a279435ca3506007c417fc97bef4396e0ca1c48f563

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            0792ee41ecba7eb73bf1f1b0281326f4

            SHA1

            5e34124e4159941f7ca1d7f928c76edb454df1d6

            SHA256

            068e8e88748406bdfe5024c85c757bad1fb6c06f1541ab9b765478a1b2fa985a

            SHA512

            1d5c85efb07ec1c2716b7202ca57986e1d1cec956e72a5eba46468a4744ca7432e48e2ba1d4ef2873c705a279435ca3506007c417fc97bef4396e0ca1c48f563

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            0792ee41ecba7eb73bf1f1b0281326f4

            SHA1

            5e34124e4159941f7ca1d7f928c76edb454df1d6

            SHA256

            068e8e88748406bdfe5024c85c757bad1fb6c06f1541ab9b765478a1b2fa985a

            SHA512

            1d5c85efb07ec1c2716b7202ca57986e1d1cec956e72a5eba46468a4744ca7432e48e2ba1d4ef2873c705a279435ca3506007c417fc97bef4396e0ca1c48f563

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            01e54bd6a08f844d6807ee84a6dda110

            SHA1

            bb89e881022a0ded036580a4fe9a5c24a9e7da85

            SHA256

            a60fdc807cf45f4c12b2b438d9ecf5fbcffd921e9c72fafb8a3b4228db2af3f7

            SHA512

            670dabefabd2ad3116644461a6bde9c63655a6d87684102dbe540f873a3a9a003da7f273e753a1facbf96618bb55908398d842f9f06857cb4cb12c9abdb365f2

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            01e54bd6a08f844d6807ee84a6dda110

            SHA1

            bb89e881022a0ded036580a4fe9a5c24a9e7da85

            SHA256

            a60fdc807cf45f4c12b2b438d9ecf5fbcffd921e9c72fafb8a3b4228db2af3f7

            SHA512

            670dabefabd2ad3116644461a6bde9c63655a6d87684102dbe540f873a3a9a003da7f273e753a1facbf96618bb55908398d842f9f06857cb4cb12c9abdb365f2

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            27465703a2a9fda77c7871e4b8d764be

            SHA1

            cc18a8358afd7313eed69d104bceeb101585fbfc

            SHA256

            54a4a7181560586b89ef635283c5a8cb89a0759b1049cfd5325b69b5c10a6f7f

            SHA512

            90dc3c45b6bbb68283eb7ebefcb5ec31bb33921783f61f7aa8fe4da94b8f2616cf238814eb1aa0fd4eb89334a2976252a7bd191d2703deb7a8084680a8868246

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            27465703a2a9fda77c7871e4b8d764be

            SHA1

            cc18a8358afd7313eed69d104bceeb101585fbfc

            SHA256

            54a4a7181560586b89ef635283c5a8cb89a0759b1049cfd5325b69b5c10a6f7f

            SHA512

            90dc3c45b6bbb68283eb7ebefcb5ec31bb33921783f61f7aa8fe4da94b8f2616cf238814eb1aa0fd4eb89334a2976252a7bd191d2703deb7a8084680a8868246

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            27465703a2a9fda77c7871e4b8d764be

            SHA1

            cc18a8358afd7313eed69d104bceeb101585fbfc

            SHA256

            54a4a7181560586b89ef635283c5a8cb89a0759b1049cfd5325b69b5c10a6f7f

            SHA512

            90dc3c45b6bbb68283eb7ebefcb5ec31bb33921783f61f7aa8fe4da94b8f2616cf238814eb1aa0fd4eb89334a2976252a7bd191d2703deb7a8084680a8868246

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            2202d9a555228dd2dd61e590f240d341

            SHA1

            8ffdb732722f77b64607541dce22f540b74a8b44

            SHA256

            42de2e053edea7faab2124fe06d8e9ede352390ff0f7eb04645c883693637f3c

            SHA512

            42bda719bd8f0fb6a07d28ae1bfcb521f73b91baa45345820b97607b742f65530a852500db17c0f33ff7b872d1878cc41bf24931e0695263bb0c260a1df7b8b2

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            2202d9a555228dd2dd61e590f240d341

            SHA1

            8ffdb732722f77b64607541dce22f540b74a8b44

            SHA256

            42de2e053edea7faab2124fe06d8e9ede352390ff0f7eb04645c883693637f3c

            SHA512

            42bda719bd8f0fb6a07d28ae1bfcb521f73b91baa45345820b97607b742f65530a852500db17c0f33ff7b872d1878cc41bf24931e0695263bb0c260a1df7b8b2

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            2202d9a555228dd2dd61e590f240d341

            SHA1

            8ffdb732722f77b64607541dce22f540b74a8b44

            SHA256

            42de2e053edea7faab2124fe06d8e9ede352390ff0f7eb04645c883693637f3c

            SHA512

            42bda719bd8f0fb6a07d28ae1bfcb521f73b91baa45345820b97607b742f65530a852500db17c0f33ff7b872d1878cc41bf24931e0695263bb0c260a1df7b8b2

          • memory/420-140-0x0000000000000000-mapping.dmp

          • memory/512-165-0x0000000000000000-mapping.dmp

          • memory/912-147-0x0000000000000000-mapping.dmp

          • memory/964-132-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/964-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/964-169-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/2808-158-0x0000000000000000-mapping.dmp

          • memory/3260-166-0x0000000000000000-mapping.dmp

          • memory/3508-159-0x0000000000000000-mapping.dmp

          • memory/4712-141-0x0000000000000000-mapping.dmp

          • memory/4808-142-0x0000000000000000-mapping.dmp

          • memory/4876-153-0x0000000000000000-mapping.dmp

          • memory/5096-137-0x0000000000000000-mapping.dmp

          • memory/5100-136-0x0000000000000000-mapping.dmp