Analysis

  • max time kernel
    143s
  • max time network
    148s
  • 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 10:25

General

  • Target

    5c966c5667747127010e05c92a6d5fe608f9f8834568b274be152e0445cadcaa.exe

  • Size

    602KB

  • MD5

    9a05ee69b4488ef31143fc7e106b947d

  • SHA1

    3032f69f9c5ba624f679654a33d0fb4cbc5b4704

  • SHA256

    5c966c5667747127010e05c92a6d5fe608f9f8834568b274be152e0445cadcaa

  • SHA512

    2ddf13828045c7db8e258dde83beb27959bfb1abcfa9367ab462d356d43770422603c127f9fa94390eca7ab94eb3bcc691cc35affee0a71b8ebe0f4ca735706a

  • SSDEEP

    12288:pIny5DYTkIBXTr6gmPCfSRhyGa/ToLF+tfSuB+hkh5cx3:FUTk2XSZ1hruToLAtfSuB+aA

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\5c966c5667747127010e05c92a6d5fe608f9f8834568b274be152e0445cadcaa.exe
    "C:\Users\Admin\AppData\Local\Temp\5c966c5667747127010e05c92a6d5fe608f9f8834568b274be152e0445cadcaa.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:4648
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2020
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:4208
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:404
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:3060
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4080
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4216
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:4092
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4168
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:3012
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3432
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:4000
          • 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:4600
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:4604

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsf6FE7.tmp\System.dll
            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsf6FE7.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsf6FE7.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsf6FE7.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsf6FE7.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsf6FE7.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsf6FE7.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsf6FE7.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsf6FE7.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

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

            106KB

            MD5

            d00f7dcb402b6023cf5cc02273499baa

            SHA1

            46a180d1921bf9a76c7533baf8cc481f0a42661c

            SHA256

            dfd68c7a1093dfd5a24c1754abf7c6161640bb6313991855be5af3cdb06f6b82

            SHA512

            820210e717956010c36a2154f68d99ed33cfbdc7ad2753a566cecf6fc638fd491741732cf748eeb46a9f50b3a8a08d5ae460e5fbdd9a21e74135d1f485a047ee

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

            106KB

            MD5

            d00f7dcb402b6023cf5cc02273499baa

            SHA1

            46a180d1921bf9a76c7533baf8cc481f0a42661c

            SHA256

            dfd68c7a1093dfd5a24c1754abf7c6161640bb6313991855be5af3cdb06f6b82

            SHA512

            820210e717956010c36a2154f68d99ed33cfbdc7ad2753a566cecf6fc638fd491741732cf748eeb46a9f50b3a8a08d5ae460e5fbdd9a21e74135d1f485a047ee

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

            106KB

            MD5

            d00f7dcb402b6023cf5cc02273499baa

            SHA1

            46a180d1921bf9a76c7533baf8cc481f0a42661c

            SHA256

            dfd68c7a1093dfd5a24c1754abf7c6161640bb6313991855be5af3cdb06f6b82

            SHA512

            820210e717956010c36a2154f68d99ed33cfbdc7ad2753a566cecf6fc638fd491741732cf748eeb46a9f50b3a8a08d5ae460e5fbdd9a21e74135d1f485a047ee

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

            106KB

            MD5

            d00f7dcb402b6023cf5cc02273499baa

            SHA1

            46a180d1921bf9a76c7533baf8cc481f0a42661c

            SHA256

            dfd68c7a1093dfd5a24c1754abf7c6161640bb6313991855be5af3cdb06f6b82

            SHA512

            820210e717956010c36a2154f68d99ed33cfbdc7ad2753a566cecf6fc638fd491741732cf748eeb46a9f50b3a8a08d5ae460e5fbdd9a21e74135d1f485a047ee

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

            244KB

            MD5

            60b7fe2481e974dc40f28bd8fd2d321b

            SHA1

            a9c6bec5f34a1c07369c3d87f318503bec5ac84c

            SHA256

            82943bd8c69f5170fee25386b96b342a65458b0bebf866fea9a97152ecf96eff

            SHA512

            89076e85469a94b9da19ab893778e48d919c356cbab2f3d161e7525be146fe9e792fc77d4b9c0bf2ee5add4297df960272da662dce3f9187aeeaab1914233514

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

            244KB

            MD5

            60b7fe2481e974dc40f28bd8fd2d321b

            SHA1

            a9c6bec5f34a1c07369c3d87f318503bec5ac84c

            SHA256

            82943bd8c69f5170fee25386b96b342a65458b0bebf866fea9a97152ecf96eff

            SHA512

            89076e85469a94b9da19ab893778e48d919c356cbab2f3d161e7525be146fe9e792fc77d4b9c0bf2ee5add4297df960272da662dce3f9187aeeaab1914233514

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

            244KB

            MD5

            60b7fe2481e974dc40f28bd8fd2d321b

            SHA1

            a9c6bec5f34a1c07369c3d87f318503bec5ac84c

            SHA256

            82943bd8c69f5170fee25386b96b342a65458b0bebf866fea9a97152ecf96eff

            SHA512

            89076e85469a94b9da19ab893778e48d919c356cbab2f3d161e7525be146fe9e792fc77d4b9c0bf2ee5add4297df960272da662dce3f9187aeeaab1914233514

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

            108KB

            MD5

            b0a98633faefb110be6c3e6f61cf1463

            SHA1

            9704a5aa74094b53bcb035168362043eeccbb598

            SHA256

            2b28f2d32fbbd903db4815dc2fd8798cf38257a2e88e0cd6541e8c3de1b4ff07

            SHA512

            a447a1c8faa36053d8f62b8ebf1f719f74cc1f262a7b55606530f00f5e7eb463e6af25baa00004e5c7c8d1898dd6d4b10463ccbb59aac8ec258499cb2b6e0435

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

            108KB

            MD5

            b0a98633faefb110be6c3e6f61cf1463

            SHA1

            9704a5aa74094b53bcb035168362043eeccbb598

            SHA256

            2b28f2d32fbbd903db4815dc2fd8798cf38257a2e88e0cd6541e8c3de1b4ff07

            SHA512

            a447a1c8faa36053d8f62b8ebf1f719f74cc1f262a7b55606530f00f5e7eb463e6af25baa00004e5c7c8d1898dd6d4b10463ccbb59aac8ec258499cb2b6e0435

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

            176KB

            MD5

            72e7df30e580699e5adf4b4421fa2c5a

            SHA1

            70e6bc080b15557ccd704448d67624a7d7d87084

            SHA256

            bf43934966c3b5d071893eb0c438651e1347403248869b9304f8f698038b5a63

            SHA512

            db8febecc0563f8d20756e83b12bdbc9f51941d68d02af3d5c80860c3a8ab4015fbf8b2713198b78730b8d61a9c8b87ed2fbea650d58f1c48e6501acd52d1771

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

            176KB

            MD5

            72e7df30e580699e5adf4b4421fa2c5a

            SHA1

            70e6bc080b15557ccd704448d67624a7d7d87084

            SHA256

            bf43934966c3b5d071893eb0c438651e1347403248869b9304f8f698038b5a63

            SHA512

            db8febecc0563f8d20756e83b12bdbc9f51941d68d02af3d5c80860c3a8ab4015fbf8b2713198b78730b8d61a9c8b87ed2fbea650d58f1c48e6501acd52d1771

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

            176KB

            MD5

            72e7df30e580699e5adf4b4421fa2c5a

            SHA1

            70e6bc080b15557ccd704448d67624a7d7d87084

            SHA256

            bf43934966c3b5d071893eb0c438651e1347403248869b9304f8f698038b5a63

            SHA512

            db8febecc0563f8d20756e83b12bdbc9f51941d68d02af3d5c80860c3a8ab4015fbf8b2713198b78730b8d61a9c8b87ed2fbea650d58f1c48e6501acd52d1771

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

            159KB

            MD5

            a674d5f64dff3b95209980085bc4143b

            SHA1

            85fc94f1b7b3105d5f07bce7591fa5dfdaad8c0d

            SHA256

            7d29e16b6044f2b6ca3344364f16fce276e92c282a0acfe132f7fc7f3ef4703d

            SHA512

            0245a00a2f6ef8bffa882323fa1c869816ce7dd6547a42cab945e77de05880236cba9bffb3d3d50844e624adda5773623ff249ec01d2f3adfe465927e0f67e21

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

            159KB

            MD5

            a674d5f64dff3b95209980085bc4143b

            SHA1

            85fc94f1b7b3105d5f07bce7591fa5dfdaad8c0d

            SHA256

            7d29e16b6044f2b6ca3344364f16fce276e92c282a0acfe132f7fc7f3ef4703d

            SHA512

            0245a00a2f6ef8bffa882323fa1c869816ce7dd6547a42cab945e77de05880236cba9bffb3d3d50844e624adda5773623ff249ec01d2f3adfe465927e0f67e21

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

            159KB

            MD5

            a674d5f64dff3b95209980085bc4143b

            SHA1

            85fc94f1b7b3105d5f07bce7591fa5dfdaad8c0d

            SHA256

            7d29e16b6044f2b6ca3344364f16fce276e92c282a0acfe132f7fc7f3ef4703d

            SHA512

            0245a00a2f6ef8bffa882323fa1c869816ce7dd6547a42cab945e77de05880236cba9bffb3d3d50844e624adda5773623ff249ec01d2f3adfe465927e0f67e21

          • memory/404-140-0x0000000000000000-mapping.dmp
          • memory/2020-136-0x0000000000000000-mapping.dmp
          • memory/3012-159-0x0000000000000000-mapping.dmp
          • memory/3060-141-0x0000000000000000-mapping.dmp
          • memory/3432-165-0x0000000000000000-mapping.dmp
          • memory/4000-166-0x0000000000000000-mapping.dmp
          • memory/4080-142-0x0000000000000000-mapping.dmp
          • memory/4092-153-0x0000000000000000-mapping.dmp
          • memory/4168-158-0x0000000000000000-mapping.dmp
          • memory/4208-137-0x0000000000000000-mapping.dmp
          • memory/4216-147-0x0000000000000000-mapping.dmp
          • memory/4648-132-0x0000000000360000-0x00000000007BE000-memory.dmp
            Filesize

            4.4MB

          • memory/4648-168-0x0000000000360000-0x00000000007BE000-memory.dmp
            Filesize

            4.4MB