Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 14:30

General

  • Target

    6d9fe0b7c3ab561d77393b005149c95841badc7d21b1f8c0a45cdc3c70b787ea.exe

  • Size

    561KB

  • MD5

    2d813e380b93a7e729c951a89d21485c

  • SHA1

    4251529ff39bcdea0ac18ad688524468db74a1d8

  • SHA256

    6d9fe0b7c3ab561d77393b005149c95841badc7d21b1f8c0a45cdc3c70b787ea

  • SHA512

    5f0bc01b0086c533e0741571e911bd0e0b6186f2739f5ef12e22c5b0186b8030d12f974f4802120c6f958f08d17a1f84434f78d60f15917669a5133640540df2

  • SSDEEP

    12288:KPRYzEbfaJ55ZPSb6VriUGvQkQXIAKz2PcCiuBAr9sgN:3zwfQfuq2dmXI2xrSKy

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\6d9fe0b7c3ab561d77393b005149c95841badc7d21b1f8c0a45cdc3c70b787ea.exe
    "C:\Users\Admin\AppData\Local\Temp\6d9fe0b7c3ab561d77393b005149c95841badc7d21b1f8c0a45cdc3c70b787ea.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:2292
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:4732
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4652
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:3408
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4264
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1784
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:5020
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4256
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:3180
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2636
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:4696
          • 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:2268
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:3044

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsd6AB7.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsd6AB7.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsd6AB7.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsd6AB7.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsd6AB7.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsd6AB7.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsd6AB7.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsd6AB7.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsd6AB7.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            faf17792c31111eab379b867e3c033a9

            SHA1

            e87028489f61497cd71aa5b943ef6408aa8c2241

            SHA256

            4fcee3cf99ce7234acd0029608f0878de0642a8ad244fb19dbb508c05e352f01

            SHA512

            34a6b795e8a985f8bc73c69945955a34ddbbb78fc1b691a0f08bb7e9fc1f1498faafd6241884e93a76f8c31aa6086f2eeac682bb048d38a7cf97cacaa39aeb1f

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            faf17792c31111eab379b867e3c033a9

            SHA1

            e87028489f61497cd71aa5b943ef6408aa8c2241

            SHA256

            4fcee3cf99ce7234acd0029608f0878de0642a8ad244fb19dbb508c05e352f01

            SHA512

            34a6b795e8a985f8bc73c69945955a34ddbbb78fc1b691a0f08bb7e9fc1f1498faafd6241884e93a76f8c31aa6086f2eeac682bb048d38a7cf97cacaa39aeb1f

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            faf17792c31111eab379b867e3c033a9

            SHA1

            e87028489f61497cd71aa5b943ef6408aa8c2241

            SHA256

            4fcee3cf99ce7234acd0029608f0878de0642a8ad244fb19dbb508c05e352f01

            SHA512

            34a6b795e8a985f8bc73c69945955a34ddbbb78fc1b691a0f08bb7e9fc1f1498faafd6241884e93a76f8c31aa6086f2eeac682bb048d38a7cf97cacaa39aeb1f

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            faf17792c31111eab379b867e3c033a9

            SHA1

            e87028489f61497cd71aa5b943ef6408aa8c2241

            SHA256

            4fcee3cf99ce7234acd0029608f0878de0642a8ad244fb19dbb508c05e352f01

            SHA512

            34a6b795e8a985f8bc73c69945955a34ddbbb78fc1b691a0f08bb7e9fc1f1498faafd6241884e93a76f8c31aa6086f2eeac682bb048d38a7cf97cacaa39aeb1f

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            6b681989189953d8edabe3d2a65e695d

            SHA1

            a78f2de366994d1521534fe5169c20862cdfeb11

            SHA256

            617869cc6e64eea71b859c9d877a4364c87921a4aaf435d4a36fa3aea88f6bf9

            SHA512

            ab3ddea7cd601bd8501a8001a19585e733eb5eb51ffdc22edf4ea2cf895ecb663f357ac739668f08094d5afbf4521ec0643ae585c3172802b1f0e598351b8fff

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            6b681989189953d8edabe3d2a65e695d

            SHA1

            a78f2de366994d1521534fe5169c20862cdfeb11

            SHA256

            617869cc6e64eea71b859c9d877a4364c87921a4aaf435d4a36fa3aea88f6bf9

            SHA512

            ab3ddea7cd601bd8501a8001a19585e733eb5eb51ffdc22edf4ea2cf895ecb663f357ac739668f08094d5afbf4521ec0643ae585c3172802b1f0e598351b8fff

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            6b681989189953d8edabe3d2a65e695d

            SHA1

            a78f2de366994d1521534fe5169c20862cdfeb11

            SHA256

            617869cc6e64eea71b859c9d877a4364c87921a4aaf435d4a36fa3aea88f6bf9

            SHA512

            ab3ddea7cd601bd8501a8001a19585e733eb5eb51ffdc22edf4ea2cf895ecb663f357ac739668f08094d5afbf4521ec0643ae585c3172802b1f0e598351b8fff

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            54fa8b82a90e4fd49c62f274d51fbe01

            SHA1

            5f4d193897507329eec8a6b8599a45a5725ae28b

            SHA256

            d4cf2643eec4eaba83f31f40032608a82465362c798d13e0ef659d823543c630

            SHA512

            f71856815dfe68fbdb954ce1088833b3e22d6c76a4418279f1d69776f98874aa81cdbc1dc83727aa2f4a745aa5610d6a3f62287e98cdf3260662f10934e3be49

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            54fa8b82a90e4fd49c62f274d51fbe01

            SHA1

            5f4d193897507329eec8a6b8599a45a5725ae28b

            SHA256

            d4cf2643eec4eaba83f31f40032608a82465362c798d13e0ef659d823543c630

            SHA512

            f71856815dfe68fbdb954ce1088833b3e22d6c76a4418279f1d69776f98874aa81cdbc1dc83727aa2f4a745aa5610d6a3f62287e98cdf3260662f10934e3be49

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            e8f4eb6af51e9321bd9fd2617b08b70e

            SHA1

            f8d4ef3835a6e476cead2d4c5b3af4c47352b5b7

            SHA256

            e53429eeca0a4d4bd39432e51c7bee5bb7ac9159a3e0d925943e4ecda5b37e79

            SHA512

            a47dad8df2fea7d6f148541632738a2a5875e43a2b764bc3402959d9fa099c456f020ed5c97c5504fc0da0e13d047ae1e364ee3282e3b9a82d3a7556af7d3ce2

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            e8f4eb6af51e9321bd9fd2617b08b70e

            SHA1

            f8d4ef3835a6e476cead2d4c5b3af4c47352b5b7

            SHA256

            e53429eeca0a4d4bd39432e51c7bee5bb7ac9159a3e0d925943e4ecda5b37e79

            SHA512

            a47dad8df2fea7d6f148541632738a2a5875e43a2b764bc3402959d9fa099c456f020ed5c97c5504fc0da0e13d047ae1e364ee3282e3b9a82d3a7556af7d3ce2

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            e8f4eb6af51e9321bd9fd2617b08b70e

            SHA1

            f8d4ef3835a6e476cead2d4c5b3af4c47352b5b7

            SHA256

            e53429eeca0a4d4bd39432e51c7bee5bb7ac9159a3e0d925943e4ecda5b37e79

            SHA512

            a47dad8df2fea7d6f148541632738a2a5875e43a2b764bc3402959d9fa099c456f020ed5c97c5504fc0da0e13d047ae1e364ee3282e3b9a82d3a7556af7d3ce2

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            f77f6a3922b8601b4da8c814ba1b78d0

            SHA1

            10d320e2afa3acb8f91bd93fe0994a618b2a428d

            SHA256

            17236d89be010f48401845959bdca1a3ec02a0d2c87f3e2ff06b033d6592966a

            SHA512

            f942d1217d8818cf9d819bbc72c864506d3d782446fc03584ea0e531d4327fb5ed19b36360efd68a028e21b71e61fe770d930b4fb109e3d323dd37efd9313e5c

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            f77f6a3922b8601b4da8c814ba1b78d0

            SHA1

            10d320e2afa3acb8f91bd93fe0994a618b2a428d

            SHA256

            17236d89be010f48401845959bdca1a3ec02a0d2c87f3e2ff06b033d6592966a

            SHA512

            f942d1217d8818cf9d819bbc72c864506d3d782446fc03584ea0e531d4327fb5ed19b36360efd68a028e21b71e61fe770d930b4fb109e3d323dd37efd9313e5c

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            f77f6a3922b8601b4da8c814ba1b78d0

            SHA1

            10d320e2afa3acb8f91bd93fe0994a618b2a428d

            SHA256

            17236d89be010f48401845959bdca1a3ec02a0d2c87f3e2ff06b033d6592966a

            SHA512

            f942d1217d8818cf9d819bbc72c864506d3d782446fc03584ea0e531d4327fb5ed19b36360efd68a028e21b71e61fe770d930b4fb109e3d323dd37efd9313e5c

          • memory/1784-147-0x0000000000000000-mapping.dmp

          • memory/2292-136-0x0000000000000000-mapping.dmp

          • memory/2568-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

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

            Filesize

            4.4MB

          • memory/2636-165-0x0000000000000000-mapping.dmp

          • memory/3180-159-0x0000000000000000-mapping.dmp

          • memory/3408-141-0x0000000000000000-mapping.dmp

          • memory/4256-158-0x0000000000000000-mapping.dmp

          • memory/4264-142-0x0000000000000000-mapping.dmp

          • memory/4652-140-0x0000000000000000-mapping.dmp

          • memory/4696-166-0x0000000000000000-mapping.dmp

          • memory/4732-137-0x0000000000000000-mapping.dmp

          • memory/5020-153-0x0000000000000000-mapping.dmp