Analysis

  • max time kernel
    147s
  • max time network
    156s
  • 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 10:56

General

  • Target

    58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe

  • Size

    447KB

  • MD5

    8536a9d7f54f5edc7ac4a94427bf7dbb

  • SHA1

    ca7c207c4665498eee922211236f3e88b127d82f

  • SHA256

    58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc

  • SHA512

    fcf6b792ae9ea0381f139a1205ff276bf9ff3683528fbcaff00a6edad954b758af67b6cad95dfa9af6e6db2b594ecc8befc9ab0a19e3ddd0862bbfad23485a78

  • SSDEEP

    12288:qL/nNqdHHaNJGEzxr8Xn83G8Lv35M44ABQ/5B:qDIejzxrYn8W8Lv63AmH

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\58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.exe
    "C:\Users\Admin\AppData\Local\Temp\58414f90afcc42177feae51f55b21f57fde71aca000451df98f937930463a8bc.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:4884
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2612
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:256
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:224
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:4652
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4468
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4300
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:4396
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:848
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:2688
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3756
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:4720
          • 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:2176
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:4596

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsw8B7E.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsw8B7E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsw8B7E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsw8B7E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsw8B7E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsw8B7E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsw8B7E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsw8B7E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsw8B7E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            12266a60edfa052509c1c43382d561e8

            SHA1

            0e3b43c01f18a4af869100523f7c2175937f0ab4

            SHA256

            d726284a1b683c84a741ec0f87db7836d2da90486eb65641482e114791c45f2c

            SHA512

            119f4ebbc063e5843c70a1790a5190fdb4e32d44b9e9346915ab87da25cc51fa1d29c59668d407ee3f5b4ec430dc0ac2c7afefcbc61ec66f499dbd3eec5c594d

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            12266a60edfa052509c1c43382d561e8

            SHA1

            0e3b43c01f18a4af869100523f7c2175937f0ab4

            SHA256

            d726284a1b683c84a741ec0f87db7836d2da90486eb65641482e114791c45f2c

            SHA512

            119f4ebbc063e5843c70a1790a5190fdb4e32d44b9e9346915ab87da25cc51fa1d29c59668d407ee3f5b4ec430dc0ac2c7afefcbc61ec66f499dbd3eec5c594d

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            12266a60edfa052509c1c43382d561e8

            SHA1

            0e3b43c01f18a4af869100523f7c2175937f0ab4

            SHA256

            d726284a1b683c84a741ec0f87db7836d2da90486eb65641482e114791c45f2c

            SHA512

            119f4ebbc063e5843c70a1790a5190fdb4e32d44b9e9346915ab87da25cc51fa1d29c59668d407ee3f5b4ec430dc0ac2c7afefcbc61ec66f499dbd3eec5c594d

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            12266a60edfa052509c1c43382d561e8

            SHA1

            0e3b43c01f18a4af869100523f7c2175937f0ab4

            SHA256

            d726284a1b683c84a741ec0f87db7836d2da90486eb65641482e114791c45f2c

            SHA512

            119f4ebbc063e5843c70a1790a5190fdb4e32d44b9e9346915ab87da25cc51fa1d29c59668d407ee3f5b4ec430dc0ac2c7afefcbc61ec66f499dbd3eec5c594d

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            95d269c76097755b1b23641a29f96e1f

            SHA1

            00fb22884fe85fb2c3bf4b3e3647bb7f69f2057f

            SHA256

            2aee7aecd1952047fb89214ea72e84838f67a52c7b2e310e38b66e1793170894

            SHA512

            0014546bfb3a3ad4c47528f6db7e474067a1c1fcf80d41a64487cbf69c524d367f29eaf660076cd38fb8d575bfc185ae7e713a8c0e55206928a8a3d0814c1b3a

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            95d269c76097755b1b23641a29f96e1f

            SHA1

            00fb22884fe85fb2c3bf4b3e3647bb7f69f2057f

            SHA256

            2aee7aecd1952047fb89214ea72e84838f67a52c7b2e310e38b66e1793170894

            SHA512

            0014546bfb3a3ad4c47528f6db7e474067a1c1fcf80d41a64487cbf69c524d367f29eaf660076cd38fb8d575bfc185ae7e713a8c0e55206928a8a3d0814c1b3a

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            95d269c76097755b1b23641a29f96e1f

            SHA1

            00fb22884fe85fb2c3bf4b3e3647bb7f69f2057f

            SHA256

            2aee7aecd1952047fb89214ea72e84838f67a52c7b2e310e38b66e1793170894

            SHA512

            0014546bfb3a3ad4c47528f6db7e474067a1c1fcf80d41a64487cbf69c524d367f29eaf660076cd38fb8d575bfc185ae7e713a8c0e55206928a8a3d0814c1b3a

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            9e08cd5d7fc7230ac798936e07bb3b49

            SHA1

            2b4f951bf98896b0f6ec8809dd695a5533a74c96

            SHA256

            6c08d243c3024225fea28ba3d37bbc17e0014e4c13914b55bec9ec406995d01c

            SHA512

            847348f9f9ee7bb0ba1f4d690b361ef01f98de933dad3cbd345e8a177ed20f378960464b76e56a3b2c3d71f907cf5df7a6f3b59fd8cfb91ae8f5fb3158ae144f

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            9e08cd5d7fc7230ac798936e07bb3b49

            SHA1

            2b4f951bf98896b0f6ec8809dd695a5533a74c96

            SHA256

            6c08d243c3024225fea28ba3d37bbc17e0014e4c13914b55bec9ec406995d01c

            SHA512

            847348f9f9ee7bb0ba1f4d690b361ef01f98de933dad3cbd345e8a177ed20f378960464b76e56a3b2c3d71f907cf5df7a6f3b59fd8cfb91ae8f5fb3158ae144f

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            390c2d41862f5e03c6179d0995e3c7a8

            SHA1

            6bb5a110982c145ecf24983b321cdf05a332c1f4

            SHA256

            73acd1a0a676bffe3034872471c9bafe875c948c79fc9d92237140aad7eda261

            SHA512

            40d399ea68c341ba859ce0ccecc64bdcd438cfe05721d157c705f89684d49707e37a8b822581f2114473bd359916615fac685e1c92ed89855bef6fa36e12ea1a

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            390c2d41862f5e03c6179d0995e3c7a8

            SHA1

            6bb5a110982c145ecf24983b321cdf05a332c1f4

            SHA256

            73acd1a0a676bffe3034872471c9bafe875c948c79fc9d92237140aad7eda261

            SHA512

            40d399ea68c341ba859ce0ccecc64bdcd438cfe05721d157c705f89684d49707e37a8b822581f2114473bd359916615fac685e1c92ed89855bef6fa36e12ea1a

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            390c2d41862f5e03c6179d0995e3c7a8

            SHA1

            6bb5a110982c145ecf24983b321cdf05a332c1f4

            SHA256

            73acd1a0a676bffe3034872471c9bafe875c948c79fc9d92237140aad7eda261

            SHA512

            40d399ea68c341ba859ce0ccecc64bdcd438cfe05721d157c705f89684d49707e37a8b822581f2114473bd359916615fac685e1c92ed89855bef6fa36e12ea1a

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            c10b1d5aec83932623fc18ecfef7189b

            SHA1

            669e0cf3a2385488e695e4e8954dda2254987557

            SHA256

            8110ac684f79235f8dbb71d48af25905e07a1064f62a3c03e70311c676198a0b

            SHA512

            0ffd41a0c39bbb22edaded4131a6dee04811bb1080fcdd1ea96c16e6ab7fbab5ac339f52889701ab400d19aae8da68b34cce1b43c7c23fef092eb1d5064ef0df

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            c10b1d5aec83932623fc18ecfef7189b

            SHA1

            669e0cf3a2385488e695e4e8954dda2254987557

            SHA256

            8110ac684f79235f8dbb71d48af25905e07a1064f62a3c03e70311c676198a0b

            SHA512

            0ffd41a0c39bbb22edaded4131a6dee04811bb1080fcdd1ea96c16e6ab7fbab5ac339f52889701ab400d19aae8da68b34cce1b43c7c23fef092eb1d5064ef0df

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            c10b1d5aec83932623fc18ecfef7189b

            SHA1

            669e0cf3a2385488e695e4e8954dda2254987557

            SHA256

            8110ac684f79235f8dbb71d48af25905e07a1064f62a3c03e70311c676198a0b

            SHA512

            0ffd41a0c39bbb22edaded4131a6dee04811bb1080fcdd1ea96c16e6ab7fbab5ac339f52889701ab400d19aae8da68b34cce1b43c7c23fef092eb1d5064ef0df

          • memory/224-139-0x0000000000000000-mapping.dmp

          • memory/256-136-0x0000000000000000-mapping.dmp

          • memory/848-157-0x0000000000000000-mapping.dmp

          • memory/2612-135-0x0000000000000000-mapping.dmp

          • memory/2688-158-0x0000000000000000-mapping.dmp

          • memory/3756-164-0x0000000000000000-mapping.dmp

          • memory/4300-146-0x0000000000000000-mapping.dmp

          • memory/4396-152-0x0000000000000000-mapping.dmp

          • memory/4468-141-0x0000000000000000-mapping.dmp

          • memory/4652-140-0x0000000000000000-mapping.dmp

          • memory/4720-165-0x0000000000000000-mapping.dmp