Analysis

  • max time kernel
    123s
  • max time network
    157s
  • 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 10:06

General

  • Target

    f83ade7ef044245b11e8c24a926bd7418d96a96c8f7039cd650b17f460043423.exe

  • Size

    601KB

  • MD5

    e3c6569b093008a85348259a7d3def87

  • SHA1

    17e93c75d1686cfffcb2eac1e18c638ce9cd0647

  • SHA256

    f83ade7ef044245b11e8c24a926bd7418d96a96c8f7039cd650b17f460043423

  • SHA512

    4daacb77e10f9317fdb24d787b370da44e398bbba9bc6a837339901ff159cc3574d15f92fd36812eaba46b45ab74d007032b93d6ae78cae1ec61d086e502e7d4

  • SSDEEP

    12288:WIny5DYTtyyQ/9j3F/KMlp4/ShDqC1GMDjlTEvgQ:YUTtyyQl3F/1E/oT1GMflI

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\f83ade7ef044245b11e8c24a926bd7418d96a96c8f7039cd650b17f460043423.exe
    "C:\Users\Admin\AppData\Local\Temp\f83ade7ef044245b11e8c24a926bd7418d96a96c8f7039cd650b17f460043423.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:4972
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4932
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:832
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2976
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:1124
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:3048
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:3652
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:3116
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1424
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:4692
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3836
        • 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:2984
        • C:\Windows\SysWOW64\netupdsrv.exe
          C:\Windows\SysWOW64\netupdsrv.exe
          1⤵
          • Executes dropped EXE
          PID:4648
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 start serviceupdater
          1⤵
            PID:1664

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

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

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

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

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

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

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

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

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

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

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

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

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

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

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

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

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            0da1da60fe2a311236f39754ebe92938

            SHA1

            9c625500bfcfdbbfb72919bec93414def1531353

            SHA256

            2b364985fbaa5b1487ed83b63f65fb46ed6d43e1a48353c6e2adb4177f98214d

            SHA512

            1e2e4d198d67b067c822056353808e7a2d977f5977b994d20dcb02fbfd27dc2eb4f1df8e3bf0ea03d4f3db96abb18513e9dab82dc9649a02ff624017913424b6

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            0da1da60fe2a311236f39754ebe92938

            SHA1

            9c625500bfcfdbbfb72919bec93414def1531353

            SHA256

            2b364985fbaa5b1487ed83b63f65fb46ed6d43e1a48353c6e2adb4177f98214d

            SHA512

            1e2e4d198d67b067c822056353808e7a2d977f5977b994d20dcb02fbfd27dc2eb4f1df8e3bf0ea03d4f3db96abb18513e9dab82dc9649a02ff624017913424b6

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            0da1da60fe2a311236f39754ebe92938

            SHA1

            9c625500bfcfdbbfb72919bec93414def1531353

            SHA256

            2b364985fbaa5b1487ed83b63f65fb46ed6d43e1a48353c6e2adb4177f98214d

            SHA512

            1e2e4d198d67b067c822056353808e7a2d977f5977b994d20dcb02fbfd27dc2eb4f1df8e3bf0ea03d4f3db96abb18513e9dab82dc9649a02ff624017913424b6

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            0da1da60fe2a311236f39754ebe92938

            SHA1

            9c625500bfcfdbbfb72919bec93414def1531353

            SHA256

            2b364985fbaa5b1487ed83b63f65fb46ed6d43e1a48353c6e2adb4177f98214d

            SHA512

            1e2e4d198d67b067c822056353808e7a2d977f5977b994d20dcb02fbfd27dc2eb4f1df8e3bf0ea03d4f3db96abb18513e9dab82dc9649a02ff624017913424b6

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            39392d3ccc858ef884c7b7866d2dfc03

            SHA1

            2a79dd31b6cb70f5dfdcc82554e3cf9d46fa13d2

            SHA256

            1463f0531403e68ea7500763f71967d6033053ee49a50eaa625f016b93a0a15f

            SHA512

            3dc45307f30cfdae516b3b7c1f62dcfbc50bb27491c9c1f688cd37278e8877ee24b754d110be42a05d864a5f7627bfa036d81f20ab75529fb3f26ea5011fe8f7

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            39392d3ccc858ef884c7b7866d2dfc03

            SHA1

            2a79dd31b6cb70f5dfdcc82554e3cf9d46fa13d2

            SHA256

            1463f0531403e68ea7500763f71967d6033053ee49a50eaa625f016b93a0a15f

            SHA512

            3dc45307f30cfdae516b3b7c1f62dcfbc50bb27491c9c1f688cd37278e8877ee24b754d110be42a05d864a5f7627bfa036d81f20ab75529fb3f26ea5011fe8f7

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            39392d3ccc858ef884c7b7866d2dfc03

            SHA1

            2a79dd31b6cb70f5dfdcc82554e3cf9d46fa13d2

            SHA256

            1463f0531403e68ea7500763f71967d6033053ee49a50eaa625f016b93a0a15f

            SHA512

            3dc45307f30cfdae516b3b7c1f62dcfbc50bb27491c9c1f688cd37278e8877ee24b754d110be42a05d864a5f7627bfa036d81f20ab75529fb3f26ea5011fe8f7

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            9628522a862bb0591b7501ba7f46181c

            SHA1

            7e54270b1d1be83aec11ee7260257a6bcc263e33

            SHA256

            f28504a1a710adc761358f1ba7e71bfadaeecf93700eca552ec511f904346e7e

            SHA512

            245006324a6632ee5b3548a35f45192ee95058baf244ac3b6810520e1a6f030662798717c6dac74eee686a0c911d3abc26035fff41d14172c6da04aacd57f78f

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            9628522a862bb0591b7501ba7f46181c

            SHA1

            7e54270b1d1be83aec11ee7260257a6bcc263e33

            SHA256

            f28504a1a710adc761358f1ba7e71bfadaeecf93700eca552ec511f904346e7e

            SHA512

            245006324a6632ee5b3548a35f45192ee95058baf244ac3b6810520e1a6f030662798717c6dac74eee686a0c911d3abc26035fff41d14172c6da04aacd57f78f

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            d5d112348c1036cc688ed00410e45a2c

            SHA1

            f8d3851ec4edc31dd443b0385711720df7b9c766

            SHA256

            bca73b0475ea40d83d33897a617b78e31ffed3cf2471e8e78deacd2060cab67f

            SHA512

            da1b67c4e4073f723af6645eb5097d9c23f3611a70688217d389cad56256153ee5f30496319c921b7f201798a645186503311b5a4480a5067ab1e203895d4dcc

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            d5d112348c1036cc688ed00410e45a2c

            SHA1

            f8d3851ec4edc31dd443b0385711720df7b9c766

            SHA256

            bca73b0475ea40d83d33897a617b78e31ffed3cf2471e8e78deacd2060cab67f

            SHA512

            da1b67c4e4073f723af6645eb5097d9c23f3611a70688217d389cad56256153ee5f30496319c921b7f201798a645186503311b5a4480a5067ab1e203895d4dcc

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            d5d112348c1036cc688ed00410e45a2c

            SHA1

            f8d3851ec4edc31dd443b0385711720df7b9c766

            SHA256

            bca73b0475ea40d83d33897a617b78e31ffed3cf2471e8e78deacd2060cab67f

            SHA512

            da1b67c4e4073f723af6645eb5097d9c23f3611a70688217d389cad56256153ee5f30496319c921b7f201798a645186503311b5a4480a5067ab1e203895d4dcc

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            2893ef2e63291d81762b797ee6b6d5b6

            SHA1

            817997487aa7ffa960929908034414e2975aea50

            SHA256

            d77e535ebb9d920c7b0787e483fbe5a5bb4d3395f5d3fdbbd5023553c0f84ead

            SHA512

            4018ae9a29c0d0ec8c3183156c2cfd83d2b8e6813505efc26bd7ca3b43c007636a21862290f72402634873227637f9ed5de703d8ece2b789ab2cee9fdb2636ea

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            2893ef2e63291d81762b797ee6b6d5b6

            SHA1

            817997487aa7ffa960929908034414e2975aea50

            SHA256

            d77e535ebb9d920c7b0787e483fbe5a5bb4d3395f5d3fdbbd5023553c0f84ead

            SHA512

            4018ae9a29c0d0ec8c3183156c2cfd83d2b8e6813505efc26bd7ca3b43c007636a21862290f72402634873227637f9ed5de703d8ece2b789ab2cee9fdb2636ea

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            2893ef2e63291d81762b797ee6b6d5b6

            SHA1

            817997487aa7ffa960929908034414e2975aea50

            SHA256

            d77e535ebb9d920c7b0787e483fbe5a5bb4d3395f5d3fdbbd5023553c0f84ead

            SHA512

            4018ae9a29c0d0ec8c3183156c2cfd83d2b8e6813505efc26bd7ca3b43c007636a21862290f72402634873227637f9ed5de703d8ece2b789ab2cee9fdb2636ea

          • memory/832-137-0x0000000000000000-mapping.dmp

          • memory/1124-141-0x0000000000000000-mapping.dmp

          • memory/1424-159-0x0000000000000000-mapping.dmp

          • memory/1664-167-0x0000000000000000-mapping.dmp

          • memory/2976-140-0x0000000000000000-mapping.dmp

          • memory/3048-142-0x0000000000000000-mapping.dmp

          • memory/3116-154-0x0000000000000000-mapping.dmp

          • memory/3652-147-0x0000000000000000-mapping.dmp

          • memory/3836-166-0x0000000000000000-mapping.dmp

          • memory/4692-160-0x0000000000000000-mapping.dmp

          • memory/4932-136-0x0000000000000000-mapping.dmp

          • memory/4972-132-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4972-153-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4972-169-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB