Analysis

  • max time kernel
    91s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 11:00

General

  • Target

    0d2ebe9084957cffc11a03107af6251c1c6cb6015a6772247c3eb57c47f2268f.exe

  • Size

    447KB

  • MD5

    68fd896ae7ee004b2696ad0395dd75e8

  • SHA1

    05266bb1d33f96dc4ec4b89493d9e8374f7bef48

  • SHA256

    0d2ebe9084957cffc11a03107af6251c1c6cb6015a6772247c3eb57c47f2268f

  • SHA512

    0ffbed9e92ceaf939f68132a481b38bfd70e2fa75605adff7a7815fd192ccce9f5c12f4fe21704ae621ec2a52945f2f50a9642c782fb32928cf7656e45ac08d4

  • SSDEEP

    12288:2O/zchRsRVSr452834JyCLHbnkYn8rjwIbX3QK6Zla3HVAK:2cqRZrAX34JhTbnn8rjwIsK6ZCHN

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\0d2ebe9084957cffc11a03107af6251c1c6cb6015a6772247c3eb57c47f2268f.exe
    "C:\Users\Admin\AppData\Local\Temp\0d2ebe9084957cffc11a03107af6251c1c6cb6015a6772247c3eb57c47f2268f.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:1932
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1512
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:1508
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:548
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:552
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1680
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1364
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:1636
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1012
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:980
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1716
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:1424
          • C:\Windows\SysWOW64\nethtsrv.exe
            C:\Windows\SysWOW64\nethtsrv.exe
            1⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of AdjustPrivilegeToken
            PID:1480
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:1004

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Discovery

          Query Registry

          1
          T1012

          System Information Discovery

          1
          T1082

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            001a2716d072c881062d7c433fdd3b0c

            SHA1

            63ace6c003aa921d2b412b5931e9132ba8ec709a

            SHA256

            bab46567a4289633bf015914ed89f61452b635f969d7e255cc5b5f8ea804e7b8

            SHA512

            4b6f73b778687aabf4457d5d46f70c893c0421f8d4b6bfea4cef05adb5f9e5dd2ebf0559a3eef18856359a23a7c83dc9c7a8fb66ea5254a2360f0dd6cb990167

          • C:\Windows\SysWOW64\hfpapi.dll
            Filesize

            244KB

            MD5

            e83dbecc3020e9fbd7359a6f716c259e

            SHA1

            c3575fb8aba69987a301ead825cb42195c52d0e1

            SHA256

            c4feeec6dbe945ce07ba1133e03f27d7b5291bfd4f0b293398f724e9123e7d69

            SHA512

            eb0503191da1ec5fc84341154731af3be3f95ac2696a2ee538a8a3d16d19ccee9039321d42c48e6dbaa74909fcf9d244d36ca940980d653fc722915a3d328336

          • C:\Windows\SysWOW64\installd.exe
            Filesize

            108KB

            MD5

            11e23a52c2f3f9e7ff0a4315d6414619

            SHA1

            fe2e514df307c85f006552da10669cac23c8aa5a

            SHA256

            e332fb42f77c7468a60b846ce28fafe486aeb540bf21c2bca598b3971bbaebe1

            SHA512

            98b8afd8cc29b7c62ec31893473f88a6f4d36f44725093b10100216285ce0cdbdf9c445ebf54df51bfb8b8b619e86f8915dbc87e43905cb60c1104b968b537b3

          • C:\Windows\SysWOW64\nethtsrv.exe
            Filesize

            176KB

            MD5

            3145a1c8e45ce881a7913f867989ee8b

            SHA1

            830f2016720bb39cb1db0e89faaf21caf029d0ef

            SHA256

            52ee843e536a01f8829a1c3b3b09a6a777ea0d66d059dd7d2db89c26e05fecef

            SHA512

            eef465e5b89aa5ddd53920549e70810bf89db5389c05493872cb632a585b34de234d1e0b4d3bb86feeace6f8df512c43b2ea7c391d3528a3cef56e9cc717b7ff

          • C:\Windows\SysWOW64\nethtsrv.exe
            Filesize

            176KB

            MD5

            3145a1c8e45ce881a7913f867989ee8b

            SHA1

            830f2016720bb39cb1db0e89faaf21caf029d0ef

            SHA256

            52ee843e536a01f8829a1c3b3b09a6a777ea0d66d059dd7d2db89c26e05fecef

            SHA512

            eef465e5b89aa5ddd53920549e70810bf89db5389c05493872cb632a585b34de234d1e0b4d3bb86feeace6f8df512c43b2ea7c391d3528a3cef56e9cc717b7ff

          • C:\Windows\SysWOW64\netupdsrv.exe
            Filesize

            158KB

            MD5

            ffc42a632b7eca305af3ebd06a90fbf3

            SHA1

            07852fa8d9073e012ff43492bbf4be69d3dae393

            SHA256

            40e92bf81f4c50ce623eb7fbe0d68fc991ae360e9c38076bc7f3060565609b58

            SHA512

            bfc56999edc3d5d7890f715e88e82f6bc314707c29f8ad4c304b88762b9f53b4b941db23f5a3830ef99fd4b80ee28ab4310b7abde07cf8a7317bc2a0dfa7d95d

          • C:\Windows\SysWOW64\netupdsrv.exe
            Filesize

            158KB

            MD5

            ffc42a632b7eca305af3ebd06a90fbf3

            SHA1

            07852fa8d9073e012ff43492bbf4be69d3dae393

            SHA256

            40e92bf81f4c50ce623eb7fbe0d68fc991ae360e9c38076bc7f3060565609b58

            SHA512

            bfc56999edc3d5d7890f715e88e82f6bc314707c29f8ad4c304b88762b9f53b4b941db23f5a3830ef99fd4b80ee28ab4310b7abde07cf8a7317bc2a0dfa7d95d

          • \Users\Admin\AppData\Local\Temp\nseFBC0.tmp\System.dll
            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • \Users\Admin\AppData\Local\Temp\nseFBC0.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nseFBC0.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nseFBC0.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nseFBC0.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            001a2716d072c881062d7c433fdd3b0c

            SHA1

            63ace6c003aa921d2b412b5931e9132ba8ec709a

            SHA256

            bab46567a4289633bf015914ed89f61452b635f969d7e255cc5b5f8ea804e7b8

            SHA512

            4b6f73b778687aabf4457d5d46f70c893c0421f8d4b6bfea4cef05adb5f9e5dd2ebf0559a3eef18856359a23a7c83dc9c7a8fb66ea5254a2360f0dd6cb990167

          • \Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            001a2716d072c881062d7c433fdd3b0c

            SHA1

            63ace6c003aa921d2b412b5931e9132ba8ec709a

            SHA256

            bab46567a4289633bf015914ed89f61452b635f969d7e255cc5b5f8ea804e7b8

            SHA512

            4b6f73b778687aabf4457d5d46f70c893c0421f8d4b6bfea4cef05adb5f9e5dd2ebf0559a3eef18856359a23a7c83dc9c7a8fb66ea5254a2360f0dd6cb990167

          • \Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            001a2716d072c881062d7c433fdd3b0c

            SHA1

            63ace6c003aa921d2b412b5931e9132ba8ec709a

            SHA256

            bab46567a4289633bf015914ed89f61452b635f969d7e255cc5b5f8ea804e7b8

            SHA512

            4b6f73b778687aabf4457d5d46f70c893c0421f8d4b6bfea4cef05adb5f9e5dd2ebf0559a3eef18856359a23a7c83dc9c7a8fb66ea5254a2360f0dd6cb990167

          • \Windows\SysWOW64\hfpapi.dll
            Filesize

            244KB

            MD5

            e83dbecc3020e9fbd7359a6f716c259e

            SHA1

            c3575fb8aba69987a301ead825cb42195c52d0e1

            SHA256

            c4feeec6dbe945ce07ba1133e03f27d7b5291bfd4f0b293398f724e9123e7d69

            SHA512

            eb0503191da1ec5fc84341154731af3be3f95ac2696a2ee538a8a3d16d19ccee9039321d42c48e6dbaa74909fcf9d244d36ca940980d653fc722915a3d328336

          • \Windows\SysWOW64\hfpapi.dll
            Filesize

            244KB

            MD5

            e83dbecc3020e9fbd7359a6f716c259e

            SHA1

            c3575fb8aba69987a301ead825cb42195c52d0e1

            SHA256

            c4feeec6dbe945ce07ba1133e03f27d7b5291bfd4f0b293398f724e9123e7d69

            SHA512

            eb0503191da1ec5fc84341154731af3be3f95ac2696a2ee538a8a3d16d19ccee9039321d42c48e6dbaa74909fcf9d244d36ca940980d653fc722915a3d328336

          • \Windows\SysWOW64\installd.exe
            Filesize

            108KB

            MD5

            11e23a52c2f3f9e7ff0a4315d6414619

            SHA1

            fe2e514df307c85f006552da10669cac23c8aa5a

            SHA256

            e332fb42f77c7468a60b846ce28fafe486aeb540bf21c2bca598b3971bbaebe1

            SHA512

            98b8afd8cc29b7c62ec31893473f88a6f4d36f44725093b10100216285ce0cdbdf9c445ebf54df51bfb8b8b619e86f8915dbc87e43905cb60c1104b968b537b3

          • \Windows\SysWOW64\nethtsrv.exe
            Filesize

            176KB

            MD5

            3145a1c8e45ce881a7913f867989ee8b

            SHA1

            830f2016720bb39cb1db0e89faaf21caf029d0ef

            SHA256

            52ee843e536a01f8829a1c3b3b09a6a777ea0d66d059dd7d2db89c26e05fecef

            SHA512

            eef465e5b89aa5ddd53920549e70810bf89db5389c05493872cb632a585b34de234d1e0b4d3bb86feeace6f8df512c43b2ea7c391d3528a3cef56e9cc717b7ff

          • \Windows\SysWOW64\netupdsrv.exe
            Filesize

            158KB

            MD5

            ffc42a632b7eca305af3ebd06a90fbf3

            SHA1

            07852fa8d9073e012ff43492bbf4be69d3dae393

            SHA256

            40e92bf81f4c50ce623eb7fbe0d68fc991ae360e9c38076bc7f3060565609b58

            SHA512

            bfc56999edc3d5d7890f715e88e82f6bc314707c29f8ad4c304b88762b9f53b4b941db23f5a3830ef99fd4b80ee28ab4310b7abde07cf8a7317bc2a0dfa7d95d

          • memory/548-60-0x0000000000000000-mapping.dmp
          • memory/552-61-0x0000000000000000-mapping.dmp
          • memory/980-80-0x0000000000000000-mapping.dmp
          • memory/1012-79-0x0000000000000000-mapping.dmp
          • memory/1364-69-0x0000000000000000-mapping.dmp
          • memory/1424-86-0x0000000000000000-mapping.dmp
          • memory/1508-58-0x0000000000000000-mapping.dmp
          • memory/1512-57-0x0000000000000000-mapping.dmp
          • memory/1636-75-0x0000000000000000-mapping.dmp
          • memory/1680-63-0x0000000000000000-mapping.dmp
          • memory/1716-85-0x0000000000000000-mapping.dmp
          • memory/1932-54-0x0000000074D71000-0x0000000074D73000-memory.dmp
            Filesize

            8KB