Analysis

  • max time kernel
    46s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 10:08

General

  • Target

    ee6df46ae285e6e8e48551ebdef9fce925b2004ef32bb022c4a1ee1c2c4bb127.exe

  • Size

    603KB

  • MD5

    ed69f90e723ae6604cd983138b99f2fc

  • SHA1

    8922743aeabc9f80f9c9de5024fc2ed29fe56f3e

  • SHA256

    ee6df46ae285e6e8e48551ebdef9fce925b2004ef32bb022c4a1ee1c2c4bb127

  • SHA512

    ece15b230cf9c30d99fcdf416fc647c38d7238f625de9152f9aa138313710a310eafef13cd20885c2cfbef5c930c4b732e8b89f38fa718f2b7a7bc9f0b95a71a

  • SSDEEP

    12288:DIny5DYTmIHPXgOgcgGKNTzDKOM1OjQQ4LOUHmSiGDq:LUTmQPQc7KBWMx4Vv

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\ee6df46ae285e6e8e48551ebdef9fce925b2004ef32bb022c4a1ee1c2c4bb127.exe
    "C:\Users\Admin\AppData\Local\Temp\ee6df46ae285e6e8e48551ebdef9fce925b2004ef32bb022c4a1ee1c2c4bb127.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:1600
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1164
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:1792
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1748
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:588
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:280
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1512
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:240
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1800
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:2024
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1648
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:1536
          • C:\Windows\SysWOW64\nethtsrv.exe
            C:\Windows\SysWOW64\nethtsrv.exe
            1⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of AdjustPrivilegeToken
            PID:2000
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:1996

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            ddb42358c887449097e850cc61a56b0b

            SHA1

            338def983e4f68a27e2723087ac323f7e242437b

            SHA256

            12e2b0233b2316a11082e2bcd414cf2a0d1fefaa1f02b565e61581abd881efaf

            SHA512

            544547f7699dd299ead330214578d42eb393a37401ee40b9b1c41223c839ddf299877252ebe967bcd8bddf74672591853747c485493cec73954b45cd57f9f0ce

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            4bb78109f640a3b53f970fef7d6c1bbe

            SHA1

            ae1df7a3f54f6bf50721d6810662e9f4ca775cf5

            SHA256

            a766de7bc44e0bc2f690a6fbb09dc110322f4992a1d4f9bc5b43204972f0a63a

            SHA512

            ac5706f6a338e0f0a595536a9c47d84c916ce29b9523ded91202ceb4517d8d706f2aadec540dd5084418ec6baf1a722d176550f156d6ebe8e7c59f93a2edc056

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            864b353f4177ae45303625e95a57fab6

            SHA1

            408cf348479bf78952962c4ae43d6fceece8b34e

            SHA256

            afbdb7fef21f7f1fd7b09eaa579f08fcd7db91dbb48016c00ed5b638c631aa43

            SHA512

            dc901a27c622f5c57c23d23ec86e25ba5daec0e87ee733d283d12cca7a6b40467e46e1ab22263e7a086ab46e51926d403d87926d07b18f24c3c0e41669463d3c

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            e1cb9e1bfe6085720224cb7ecd20585b

            SHA1

            65309d08ce78cdc945dec9db8d3d2b39d2bf3a21

            SHA256

            2a98c8404932bdda9490c27cfc2795a5d990fc0f9799b8725ee4fc4402b836d9

            SHA512

            3763d75e090d13deba274bed1b5bfabf23b41850b4592c37fd7b42623c7101e6570b9354719304a1ff0a139ebaf3b04ead6191926bada0ef6b378e6f2604a4f4

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            e1cb9e1bfe6085720224cb7ecd20585b

            SHA1

            65309d08ce78cdc945dec9db8d3d2b39d2bf3a21

            SHA256

            2a98c8404932bdda9490c27cfc2795a5d990fc0f9799b8725ee4fc4402b836d9

            SHA512

            3763d75e090d13deba274bed1b5bfabf23b41850b4592c37fd7b42623c7101e6570b9354719304a1ff0a139ebaf3b04ead6191926bada0ef6b378e6f2604a4f4

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            6b35eff57ee7738f200f222049479b8f

            SHA1

            26988d70dd618073a33b751615e6efb87280d8e2

            SHA256

            85ce000f50f4b6258f7e495333bcd543ac0339fd6eca9b9896b50cdfadcef559

            SHA512

            d8b7dd16fe3c4e43cdd6afc1731044cd123b83db5791f631d821680b9df0bdfdb52ac18002067e77723fce082b2e2dd28ecf05aea6e81812e03901ccdf7706f7

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            6b35eff57ee7738f200f222049479b8f

            SHA1

            26988d70dd618073a33b751615e6efb87280d8e2

            SHA256

            85ce000f50f4b6258f7e495333bcd543ac0339fd6eca9b9896b50cdfadcef559

            SHA512

            d8b7dd16fe3c4e43cdd6afc1731044cd123b83db5791f631d821680b9df0bdfdb52ac18002067e77723fce082b2e2dd28ecf05aea6e81812e03901ccdf7706f7

          • \Users\Admin\AppData\Local\Temp\nso1384.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • \Users\Admin\AppData\Local\Temp\nso1384.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nso1384.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nso1384.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nso1384.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            ddb42358c887449097e850cc61a56b0b

            SHA1

            338def983e4f68a27e2723087ac323f7e242437b

            SHA256

            12e2b0233b2316a11082e2bcd414cf2a0d1fefaa1f02b565e61581abd881efaf

            SHA512

            544547f7699dd299ead330214578d42eb393a37401ee40b9b1c41223c839ddf299877252ebe967bcd8bddf74672591853747c485493cec73954b45cd57f9f0ce

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            ddb42358c887449097e850cc61a56b0b

            SHA1

            338def983e4f68a27e2723087ac323f7e242437b

            SHA256

            12e2b0233b2316a11082e2bcd414cf2a0d1fefaa1f02b565e61581abd881efaf

            SHA512

            544547f7699dd299ead330214578d42eb393a37401ee40b9b1c41223c839ddf299877252ebe967bcd8bddf74672591853747c485493cec73954b45cd57f9f0ce

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            ddb42358c887449097e850cc61a56b0b

            SHA1

            338def983e4f68a27e2723087ac323f7e242437b

            SHA256

            12e2b0233b2316a11082e2bcd414cf2a0d1fefaa1f02b565e61581abd881efaf

            SHA512

            544547f7699dd299ead330214578d42eb393a37401ee40b9b1c41223c839ddf299877252ebe967bcd8bddf74672591853747c485493cec73954b45cd57f9f0ce

          • \Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            4bb78109f640a3b53f970fef7d6c1bbe

            SHA1

            ae1df7a3f54f6bf50721d6810662e9f4ca775cf5

            SHA256

            a766de7bc44e0bc2f690a6fbb09dc110322f4992a1d4f9bc5b43204972f0a63a

            SHA512

            ac5706f6a338e0f0a595536a9c47d84c916ce29b9523ded91202ceb4517d8d706f2aadec540dd5084418ec6baf1a722d176550f156d6ebe8e7c59f93a2edc056

          • \Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            4bb78109f640a3b53f970fef7d6c1bbe

            SHA1

            ae1df7a3f54f6bf50721d6810662e9f4ca775cf5

            SHA256

            a766de7bc44e0bc2f690a6fbb09dc110322f4992a1d4f9bc5b43204972f0a63a

            SHA512

            ac5706f6a338e0f0a595536a9c47d84c916ce29b9523ded91202ceb4517d8d706f2aadec540dd5084418ec6baf1a722d176550f156d6ebe8e7c59f93a2edc056

          • \Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            864b353f4177ae45303625e95a57fab6

            SHA1

            408cf348479bf78952962c4ae43d6fceece8b34e

            SHA256

            afbdb7fef21f7f1fd7b09eaa579f08fcd7db91dbb48016c00ed5b638c631aa43

            SHA512

            dc901a27c622f5c57c23d23ec86e25ba5daec0e87ee733d283d12cca7a6b40467e46e1ab22263e7a086ab46e51926d403d87926d07b18f24c3c0e41669463d3c

          • \Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            e1cb9e1bfe6085720224cb7ecd20585b

            SHA1

            65309d08ce78cdc945dec9db8d3d2b39d2bf3a21

            SHA256

            2a98c8404932bdda9490c27cfc2795a5d990fc0f9799b8725ee4fc4402b836d9

            SHA512

            3763d75e090d13deba274bed1b5bfabf23b41850b4592c37fd7b42623c7101e6570b9354719304a1ff0a139ebaf3b04ead6191926bada0ef6b378e6f2604a4f4

          • \Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            6b35eff57ee7738f200f222049479b8f

            SHA1

            26988d70dd618073a33b751615e6efb87280d8e2

            SHA256

            85ce000f50f4b6258f7e495333bcd543ac0339fd6eca9b9896b50cdfadcef559

            SHA512

            d8b7dd16fe3c4e43cdd6afc1731044cd123b83db5791f631d821680b9df0bdfdb52ac18002067e77723fce082b2e2dd28ecf05aea6e81812e03901ccdf7706f7

          • memory/240-76-0x0000000000000000-mapping.dmp

          • memory/280-64-0x0000000000000000-mapping.dmp

          • memory/588-62-0x0000000000000000-mapping.dmp

          • memory/1164-57-0x0000000000000000-mapping.dmp

          • memory/1512-70-0x0000000000000000-mapping.dmp

          • memory/1536-87-0x0000000000000000-mapping.dmp

          • memory/1600-54-0x00000000752B1000-0x00000000752B3000-memory.dmp

            Filesize

            8KB

          • memory/1600-59-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1600-90-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1648-86-0x0000000000000000-mapping.dmp

          • memory/1748-61-0x0000000000000000-mapping.dmp

          • memory/1792-58-0x0000000000000000-mapping.dmp

          • memory/1800-80-0x0000000000000000-mapping.dmp

          • memory/2024-81-0x0000000000000000-mapping.dmp