Analysis

  • max time kernel
    106s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 10:54

General

  • Target

    974bbdcb5e6fee92e18bb7b7b0c00d45e4216e0357be6cad511e4bfd2d4b3c2d.exe

  • Size

    446KB

  • MD5

    5c5fb79b63d8467d766bba9753037fc7

  • SHA1

    1db37be51dd2e55925a3ce88c7f04950ad0eec96

  • SHA256

    974bbdcb5e6fee92e18bb7b7b0c00d45e4216e0357be6cad511e4bfd2d4b3c2d

  • SHA512

    11b1a561fa0210c20e56ae71c509742d79ee922f151e10bb82d70d057f6fadbc7fca58918db196887de7f31f183892fac7370881817fb3d47133ed85f28aaf24

  • SSDEEP

    6144:XzftpDTNpOBL1fwbD2oDZvAvN7zzMDTq1HlOSj42dX5MD8UXHtidbkrYxe9KHSDP:xDklw32MvcQDcUS0++D8Mw43cy12c

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\974bbdcb5e6fee92e18bb7b7b0c00d45e4216e0357be6cad511e4bfd2d4b3c2d.exe
    "C:\Users\Admin\AppData\Local\Temp\974bbdcb5e6fee92e18bb7b7b0c00d45e4216e0357be6cad511e4bfd2d4b3c2d.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:2348
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1736
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:3740
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2844
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:204
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:348
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4212
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:3764
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1120
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:4036
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4320
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:2624
          • 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:3480
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:2744

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsnCE15.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsnCE15.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsnCE15.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsnCE15.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsnCE15.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsnCE15.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsnCE15.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsnCE15.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsnCE15.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            b6e66e1e09951d0e8faa4f31279fa1d9

            SHA1

            a6c1294286b3d0fb4cc87074fe497e047deb3a2d

            SHA256

            8530207d350c8b831463f5e8b5c028eebfef6bb0e9983a16dfe0486291b2de43

            SHA512

            7285d96eb9ff3945aee4d959a5df326aae76e56401ce56f530ebd4cada62be2004bdd7aab2837247ef17a3974b45b8cd5df47f89892693321af1d57505240e16

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            b6e66e1e09951d0e8faa4f31279fa1d9

            SHA1

            a6c1294286b3d0fb4cc87074fe497e047deb3a2d

            SHA256

            8530207d350c8b831463f5e8b5c028eebfef6bb0e9983a16dfe0486291b2de43

            SHA512

            7285d96eb9ff3945aee4d959a5df326aae76e56401ce56f530ebd4cada62be2004bdd7aab2837247ef17a3974b45b8cd5df47f89892693321af1d57505240e16

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            b6e66e1e09951d0e8faa4f31279fa1d9

            SHA1

            a6c1294286b3d0fb4cc87074fe497e047deb3a2d

            SHA256

            8530207d350c8b831463f5e8b5c028eebfef6bb0e9983a16dfe0486291b2de43

            SHA512

            7285d96eb9ff3945aee4d959a5df326aae76e56401ce56f530ebd4cada62be2004bdd7aab2837247ef17a3974b45b8cd5df47f89892693321af1d57505240e16

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            b6e66e1e09951d0e8faa4f31279fa1d9

            SHA1

            a6c1294286b3d0fb4cc87074fe497e047deb3a2d

            SHA256

            8530207d350c8b831463f5e8b5c028eebfef6bb0e9983a16dfe0486291b2de43

            SHA512

            7285d96eb9ff3945aee4d959a5df326aae76e56401ce56f530ebd4cada62be2004bdd7aab2837247ef17a3974b45b8cd5df47f89892693321af1d57505240e16

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            f2cc0f1ad68580c9ab885ba5e9c180b1

            SHA1

            d37835235761db77638874184aaa6569545c9a12

            SHA256

            9fa1009f95908962142c9bda9dc84a0930a83caa83c8808ae432af3dd1dea314

            SHA512

            cae2459bebe41a956f28710968e08353f5d0237262776cf80df5c8197d07a165bd403ca7ec01cda89934f57b1aac2444948bc3fbad58ca867bc9dc5d2948c243

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            f2cc0f1ad68580c9ab885ba5e9c180b1

            SHA1

            d37835235761db77638874184aaa6569545c9a12

            SHA256

            9fa1009f95908962142c9bda9dc84a0930a83caa83c8808ae432af3dd1dea314

            SHA512

            cae2459bebe41a956f28710968e08353f5d0237262776cf80df5c8197d07a165bd403ca7ec01cda89934f57b1aac2444948bc3fbad58ca867bc9dc5d2948c243

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            f2cc0f1ad68580c9ab885ba5e9c180b1

            SHA1

            d37835235761db77638874184aaa6569545c9a12

            SHA256

            9fa1009f95908962142c9bda9dc84a0930a83caa83c8808ae432af3dd1dea314

            SHA512

            cae2459bebe41a956f28710968e08353f5d0237262776cf80df5c8197d07a165bd403ca7ec01cda89934f57b1aac2444948bc3fbad58ca867bc9dc5d2948c243

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            9b8c0735a1ff4b4e579f4ae4b2e10c40

            SHA1

            c76570f7bade28b236141902ea4c68e51ad021ee

            SHA256

            7b117dbb766a1781a1f8c74351f3bb17a6bda50f5d826a85f4d40dc6cee4a3fa

            SHA512

            ae96baa95e64aa6305e51b0da03ceb57f4e57fe5c7ee5b6d59e92270e39c5f06d61bbea40dda14d59a7ba6dcb8fadc62b2c23b37768e10f182d0d41d8662f31b

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            9b8c0735a1ff4b4e579f4ae4b2e10c40

            SHA1

            c76570f7bade28b236141902ea4c68e51ad021ee

            SHA256

            7b117dbb766a1781a1f8c74351f3bb17a6bda50f5d826a85f4d40dc6cee4a3fa

            SHA512

            ae96baa95e64aa6305e51b0da03ceb57f4e57fe5c7ee5b6d59e92270e39c5f06d61bbea40dda14d59a7ba6dcb8fadc62b2c23b37768e10f182d0d41d8662f31b

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            e2a288ef2cc98aa06ffe3fb826a7e0af

            SHA1

            143c697e05fac4a4c9166d66af300bfe44b66d87

            SHA256

            1869779f0a4c1844140b49025a2646e6a56eb892bf0d7c3f30f200bbb3274ecd

            SHA512

            00dbe54c268263b9aa1ee4510c9ab81d562c0f36dc9df3007400b6aebaad3c60b564fc87b5b0f194bc24d98778d8a59b673103e7fa7ec3e0059a3e1eed2f27ea

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            e2a288ef2cc98aa06ffe3fb826a7e0af

            SHA1

            143c697e05fac4a4c9166d66af300bfe44b66d87

            SHA256

            1869779f0a4c1844140b49025a2646e6a56eb892bf0d7c3f30f200bbb3274ecd

            SHA512

            00dbe54c268263b9aa1ee4510c9ab81d562c0f36dc9df3007400b6aebaad3c60b564fc87b5b0f194bc24d98778d8a59b673103e7fa7ec3e0059a3e1eed2f27ea

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            e2a288ef2cc98aa06ffe3fb826a7e0af

            SHA1

            143c697e05fac4a4c9166d66af300bfe44b66d87

            SHA256

            1869779f0a4c1844140b49025a2646e6a56eb892bf0d7c3f30f200bbb3274ecd

            SHA512

            00dbe54c268263b9aa1ee4510c9ab81d562c0f36dc9df3007400b6aebaad3c60b564fc87b5b0f194bc24d98778d8a59b673103e7fa7ec3e0059a3e1eed2f27ea

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            0a0302aadd2e578a3862d8da03c0ee97

            SHA1

            d43492fdc2cef774d54d4da8a93096fe5316cf22

            SHA256

            f7bf72cae05d7e5f1f4a3a2de2a1d727eb90fa22376e0fb8b295cf3bc8fca26f

            SHA512

            46633285c8d346769bd77a154a34aa5d97368dff30b0b1673179f4b35c2b9fd616f74daf455f1b6885ce37fbc513889ddf16cda90f9f7f39aae1a222c7457caf

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            0a0302aadd2e578a3862d8da03c0ee97

            SHA1

            d43492fdc2cef774d54d4da8a93096fe5316cf22

            SHA256

            f7bf72cae05d7e5f1f4a3a2de2a1d727eb90fa22376e0fb8b295cf3bc8fca26f

            SHA512

            46633285c8d346769bd77a154a34aa5d97368dff30b0b1673179f4b35c2b9fd616f74daf455f1b6885ce37fbc513889ddf16cda90f9f7f39aae1a222c7457caf

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            0a0302aadd2e578a3862d8da03c0ee97

            SHA1

            d43492fdc2cef774d54d4da8a93096fe5316cf22

            SHA256

            f7bf72cae05d7e5f1f4a3a2de2a1d727eb90fa22376e0fb8b295cf3bc8fca26f

            SHA512

            46633285c8d346769bd77a154a34aa5d97368dff30b0b1673179f4b35c2b9fd616f74daf455f1b6885ce37fbc513889ddf16cda90f9f7f39aae1a222c7457caf

          • memory/204-140-0x0000000000000000-mapping.dmp

          • memory/348-141-0x0000000000000000-mapping.dmp

          • memory/1120-157-0x0000000000000000-mapping.dmp

          • memory/1736-135-0x0000000000000000-mapping.dmp

          • memory/2624-165-0x0000000000000000-mapping.dmp

          • memory/2844-139-0x0000000000000000-mapping.dmp

          • memory/3740-136-0x0000000000000000-mapping.dmp

          • memory/3764-152-0x0000000000000000-mapping.dmp

          • memory/4036-158-0x0000000000000000-mapping.dmp

          • memory/4212-146-0x0000000000000000-mapping.dmp

          • memory/4320-164-0x0000000000000000-mapping.dmp