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Analysis

  • max time kernel
    28s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24/11/2022, 05:43

General

  • Target

    0dcc404ca0bc686b52926e434585798469a8e5d21ada48d086db4763ed204c3a.exe

  • Size

    603KB

  • MD5

    ad8a975ee8c8b2865020eeca70b1b107

  • SHA1

    e3c6712022206df88a1109bb0ecf11afa92cd028

  • SHA256

    0dcc404ca0bc686b52926e434585798469a8e5d21ada48d086db4763ed204c3a

  • SHA512

    3bbf0a801549993f28e1e03c515eb0e9e6fa0117f819877c294edd03836afbd512cbd46f0fe5d6df529ae69037eebcf0c604189dfb299b1367e3da8a94056773

  • SSDEEP

    12288:BIny5DYTmI7gHYQ58DwRC+1WTRHMtgit3Rh:9UTmnHYkfQ+sU9

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 13 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.

  • Runs net.exe
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0dcc404ca0bc686b52926e434585798469a8e5d21ada48d086db4763ed204c3a.exe
    "C:\Users\Admin\AppData\Local\Temp\0dcc404ca0bc686b52926e434585798469a8e5d21ada48d086db4763ed204c3a.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:1968
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1232
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:1696
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:832
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:1076
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2040
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:988
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:1496
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2036
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:1112
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1196
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:1616
          • C:\Windows\SysWOW64\nethtsrv.exe
            C:\Windows\SysWOW64\nethtsrv.exe
            1⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of AdjustPrivilegeToken
            PID:1620
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:1936

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            76a6d2c81ccc0a8c45bf42b090c1682c

            SHA1

            d11f73de0640b1f781912578c025b382d12f2be5

            SHA256

            e866de732d974732e4a58f46e40cd3a139a4bf3af3e1ff1f2303e97990524825

            SHA512

            d9043a38c5bc125f00cc015f00f65614009073cab01ab67130c669aa05d998e5fe97e2b298985fc81ce67dd360e107409a4a218e750d89f94ea972e6bed6b755

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            877ca9a6aa030c5688484fdfbfb7192c

            SHA1

            f40fbc4c703af3332f3dd2075447be1ba5f430b1

            SHA256

            7021c1ebacb5d1c4e169c5e8216756191ec36fa6fec7d6f8b0dcf9eb03a71675

            SHA512

            e1eadb2826de39aa6216001854222c2142905400614b6f523a6b8e5a77584c99dde8fac85e3ecc5e09406d6c0672269f716611e5bc13e8f6eafa7a092aaa0408

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            a23dcc96079639ec63cf3b340d59e149

            SHA1

            b793aaf323e040e6021c117836a6d6dcf3c34133

            SHA256

            cc7f7d0d8be5adacb76e913deac7e5879925b8e7b8422367a6e24d19773179ba

            SHA512

            d8826605b01290a6641d2ac5d14f01f8ed5a2846316734c7651514506081950518e8e6803ca4aaeb9e4b1c1e7342fbe16a54ec150ee326294aae2392472057ec

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            ed5043051dff4af39a06793282f3af14

            SHA1

            5af560e4e67778c1a2e1be4259924770634bf638

            SHA256

            7bce68dff17df52a1d0b5113ad25f698073bdfdf0db489e01b9eef611b36a009

            SHA512

            4960e2d2068fa4160f476a2f86112bd2204e4b395ce9dd2a3f99f40e714c5e243b2e2267f2ddd87b2ba5c972c7099947945c2f1661d2ed2676408ad364d8b76a

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            ed5043051dff4af39a06793282f3af14

            SHA1

            5af560e4e67778c1a2e1be4259924770634bf638

            SHA256

            7bce68dff17df52a1d0b5113ad25f698073bdfdf0db489e01b9eef611b36a009

            SHA512

            4960e2d2068fa4160f476a2f86112bd2204e4b395ce9dd2a3f99f40e714c5e243b2e2267f2ddd87b2ba5c972c7099947945c2f1661d2ed2676408ad364d8b76a

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            eb9769a61ee6899b217791c6852f64af

            SHA1

            1316b0ac851e8328c80d62d3b5612a2d95ca97c4

            SHA256

            8b888f2a20616a3d025fe8b897eb8049b347e43c194ccaff697609d5e9c353be

            SHA512

            db11e09cd065d01a8b28a7ae9088d2890e58c9db8fd1f5ab9c4679faf8949dad7cee42a090e2a9cbe66c6c5554af99554174ac5957b04bbb2d178db08d0e4272

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            eb9769a61ee6899b217791c6852f64af

            SHA1

            1316b0ac851e8328c80d62d3b5612a2d95ca97c4

            SHA256

            8b888f2a20616a3d025fe8b897eb8049b347e43c194ccaff697609d5e9c353be

            SHA512

            db11e09cd065d01a8b28a7ae9088d2890e58c9db8fd1f5ab9c4679faf8949dad7cee42a090e2a9cbe66c6c5554af99554174ac5957b04bbb2d178db08d0e4272

          • \Users\Admin\AppData\Local\Temp\nst25EB.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • \Users\Admin\AppData\Local\Temp\nst25EB.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nst25EB.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nst25EB.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nst25EB.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            76a6d2c81ccc0a8c45bf42b090c1682c

            SHA1

            d11f73de0640b1f781912578c025b382d12f2be5

            SHA256

            e866de732d974732e4a58f46e40cd3a139a4bf3af3e1ff1f2303e97990524825

            SHA512

            d9043a38c5bc125f00cc015f00f65614009073cab01ab67130c669aa05d998e5fe97e2b298985fc81ce67dd360e107409a4a218e750d89f94ea972e6bed6b755

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            76a6d2c81ccc0a8c45bf42b090c1682c

            SHA1

            d11f73de0640b1f781912578c025b382d12f2be5

            SHA256

            e866de732d974732e4a58f46e40cd3a139a4bf3af3e1ff1f2303e97990524825

            SHA512

            d9043a38c5bc125f00cc015f00f65614009073cab01ab67130c669aa05d998e5fe97e2b298985fc81ce67dd360e107409a4a218e750d89f94ea972e6bed6b755

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            76a6d2c81ccc0a8c45bf42b090c1682c

            SHA1

            d11f73de0640b1f781912578c025b382d12f2be5

            SHA256

            e866de732d974732e4a58f46e40cd3a139a4bf3af3e1ff1f2303e97990524825

            SHA512

            d9043a38c5bc125f00cc015f00f65614009073cab01ab67130c669aa05d998e5fe97e2b298985fc81ce67dd360e107409a4a218e750d89f94ea972e6bed6b755

          • \Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            877ca9a6aa030c5688484fdfbfb7192c

            SHA1

            f40fbc4c703af3332f3dd2075447be1ba5f430b1

            SHA256

            7021c1ebacb5d1c4e169c5e8216756191ec36fa6fec7d6f8b0dcf9eb03a71675

            SHA512

            e1eadb2826de39aa6216001854222c2142905400614b6f523a6b8e5a77584c99dde8fac85e3ecc5e09406d6c0672269f716611e5bc13e8f6eafa7a092aaa0408

          • \Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            877ca9a6aa030c5688484fdfbfb7192c

            SHA1

            f40fbc4c703af3332f3dd2075447be1ba5f430b1

            SHA256

            7021c1ebacb5d1c4e169c5e8216756191ec36fa6fec7d6f8b0dcf9eb03a71675

            SHA512

            e1eadb2826de39aa6216001854222c2142905400614b6f523a6b8e5a77584c99dde8fac85e3ecc5e09406d6c0672269f716611e5bc13e8f6eafa7a092aaa0408

          • \Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            a23dcc96079639ec63cf3b340d59e149

            SHA1

            b793aaf323e040e6021c117836a6d6dcf3c34133

            SHA256

            cc7f7d0d8be5adacb76e913deac7e5879925b8e7b8422367a6e24d19773179ba

            SHA512

            d8826605b01290a6641d2ac5d14f01f8ed5a2846316734c7651514506081950518e8e6803ca4aaeb9e4b1c1e7342fbe16a54ec150ee326294aae2392472057ec

          • \Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            ed5043051dff4af39a06793282f3af14

            SHA1

            5af560e4e67778c1a2e1be4259924770634bf638

            SHA256

            7bce68dff17df52a1d0b5113ad25f698073bdfdf0db489e01b9eef611b36a009

            SHA512

            4960e2d2068fa4160f476a2f86112bd2204e4b395ce9dd2a3f99f40e714c5e243b2e2267f2ddd87b2ba5c972c7099947945c2f1661d2ed2676408ad364d8b76a

          • \Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            eb9769a61ee6899b217791c6852f64af

            SHA1

            1316b0ac851e8328c80d62d3b5612a2d95ca97c4

            SHA256

            8b888f2a20616a3d025fe8b897eb8049b347e43c194ccaff697609d5e9c353be

            SHA512

            db11e09cd065d01a8b28a7ae9088d2890e58c9db8fd1f5ab9c4679faf8949dad7cee42a090e2a9cbe66c6c5554af99554174ac5957b04bbb2d178db08d0e4272

          • memory/1968-54-0x00000000756B1000-0x00000000756B3000-memory.dmp

            Filesize

            8KB

          • memory/1968-59-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1968-90-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB