Analysis

  • max time kernel
    147s
  • max time network
    151s
  • 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 10:53

General

  • Target

    aee32711510f784f36446d3c509cb2a8d3a7f6c765c85108440f1d2d823d52ce.exe

  • Size

    445KB

  • MD5

    9c09202a274f9ab8cb2963880e17cf4f

  • SHA1

    3ae1b5858443fa5ce3ee4c8ecfa92348e436119b

  • SHA256

    aee32711510f784f36446d3c509cb2a8d3a7f6c765c85108440f1d2d823d52ce

  • SHA512

    75603a7443e046f6037d7b831673390bc580ab79e0eb59b2a9c76f5dec37e2c8d0092405ce340e1f23e80548473ae5a59f37daec48fa9b5caf9ab048a9426f7c

  • SSDEEP

    12288:BjNFNVfMCXuupPvBFu9djF4mPaJkXrZC4H01:BB9MAxFuDjF47Jpso

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\aee32711510f784f36446d3c509cb2a8d3a7f6c765c85108440f1d2d823d52ce.exe
    "C:\Users\Admin\AppData\Local\Temp\aee32711510f784f36446d3c509cb2a8d3a7f6c765c85108440f1d2d823d52ce.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:4844
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2184
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:872
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1260
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:4860
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4684
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1124
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:1364
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4124
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:1560
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:216
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:2440
          • 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:1216
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:1480

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nso92E0.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nso92E0.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nso92E0.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nso92E0.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nso92E0.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nso92E0.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nso92E0.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nso92E0.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nso92E0.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            47fae5ef63ebce8789dc9da4db7fc0c1

            SHA1

            df8d8cb5aeabe2a2e865488ec9178ec92133b124

            SHA256

            d020c6d4b1b8a3ee2624410c514d31a754a80574a914896c644b7ee544253be3

            SHA512

            cbec0751df90f3342661c40d322f3b3afc2dfd64a83fdb34d407d5c411496de12a867575923c74edaa5c5d9466f1e66e6c54d22402007865035eb66ad1c0f667

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            47fae5ef63ebce8789dc9da4db7fc0c1

            SHA1

            df8d8cb5aeabe2a2e865488ec9178ec92133b124

            SHA256

            d020c6d4b1b8a3ee2624410c514d31a754a80574a914896c644b7ee544253be3

            SHA512

            cbec0751df90f3342661c40d322f3b3afc2dfd64a83fdb34d407d5c411496de12a867575923c74edaa5c5d9466f1e66e6c54d22402007865035eb66ad1c0f667

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            47fae5ef63ebce8789dc9da4db7fc0c1

            SHA1

            df8d8cb5aeabe2a2e865488ec9178ec92133b124

            SHA256

            d020c6d4b1b8a3ee2624410c514d31a754a80574a914896c644b7ee544253be3

            SHA512

            cbec0751df90f3342661c40d322f3b3afc2dfd64a83fdb34d407d5c411496de12a867575923c74edaa5c5d9466f1e66e6c54d22402007865035eb66ad1c0f667

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            47fae5ef63ebce8789dc9da4db7fc0c1

            SHA1

            df8d8cb5aeabe2a2e865488ec9178ec92133b124

            SHA256

            d020c6d4b1b8a3ee2624410c514d31a754a80574a914896c644b7ee544253be3

            SHA512

            cbec0751df90f3342661c40d322f3b3afc2dfd64a83fdb34d407d5c411496de12a867575923c74edaa5c5d9466f1e66e6c54d22402007865035eb66ad1c0f667

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            ca480fee642d7700efda81626fdfe2e6

            SHA1

            5b0a063da9c5960582c86c2375e610deb55cb667

            SHA256

            878ba7b4b0f89bf7498024b05bbab164b84afcd6e234386e0e53a981a7ac57f8

            SHA512

            ce51420b0ebc34e60074ce8386a0fe0289772b18fbd8e64b7dcd6f25f7c734dcfc09b89ff5821d1c4f3f26d886f8b5fc3f594988e0e154ed1178f8f1e454caa9

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            ca480fee642d7700efda81626fdfe2e6

            SHA1

            5b0a063da9c5960582c86c2375e610deb55cb667

            SHA256

            878ba7b4b0f89bf7498024b05bbab164b84afcd6e234386e0e53a981a7ac57f8

            SHA512

            ce51420b0ebc34e60074ce8386a0fe0289772b18fbd8e64b7dcd6f25f7c734dcfc09b89ff5821d1c4f3f26d886f8b5fc3f594988e0e154ed1178f8f1e454caa9

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            ca480fee642d7700efda81626fdfe2e6

            SHA1

            5b0a063da9c5960582c86c2375e610deb55cb667

            SHA256

            878ba7b4b0f89bf7498024b05bbab164b84afcd6e234386e0e53a981a7ac57f8

            SHA512

            ce51420b0ebc34e60074ce8386a0fe0289772b18fbd8e64b7dcd6f25f7c734dcfc09b89ff5821d1c4f3f26d886f8b5fc3f594988e0e154ed1178f8f1e454caa9

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            d255bf1c32531c326eeb44873345b0fb

            SHA1

            670623a53445e017417ef750eacca0cd58de408b

            SHA256

            a27fb4f6f851c49a003f93c597a0c9a4b1372756e7b128cab3bf503ecb2c7123

            SHA512

            81da245f37457889a5b858979b545dce8e59c1c46ddbcffa56f6b8c0e2243bc18f2841d08e02a2243795c7a1140f03bdf35833db85a12b910833a4fc1614bc97

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            d255bf1c32531c326eeb44873345b0fb

            SHA1

            670623a53445e017417ef750eacca0cd58de408b

            SHA256

            a27fb4f6f851c49a003f93c597a0c9a4b1372756e7b128cab3bf503ecb2c7123

            SHA512

            81da245f37457889a5b858979b545dce8e59c1c46ddbcffa56f6b8c0e2243bc18f2841d08e02a2243795c7a1140f03bdf35833db85a12b910833a4fc1614bc97

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            3b6129195daa66bbf04ddc80f8b371f8

            SHA1

            e411946dbd4f391b2b862aa6fe9de23d140e5d4e

            SHA256

            c139a75106be97235e2f64930a0f403c8ae77bc44ed4ff799b30a19d687819f0

            SHA512

            233b0ed82622781e4057dcbf94c2249dffc620d70cb1a649b27212be58d68f6fc3156f6356243035f7fb9d8d33f1cfb198e8d53cc6e5ad269d8e437163c71529

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            3b6129195daa66bbf04ddc80f8b371f8

            SHA1

            e411946dbd4f391b2b862aa6fe9de23d140e5d4e

            SHA256

            c139a75106be97235e2f64930a0f403c8ae77bc44ed4ff799b30a19d687819f0

            SHA512

            233b0ed82622781e4057dcbf94c2249dffc620d70cb1a649b27212be58d68f6fc3156f6356243035f7fb9d8d33f1cfb198e8d53cc6e5ad269d8e437163c71529

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            3b6129195daa66bbf04ddc80f8b371f8

            SHA1

            e411946dbd4f391b2b862aa6fe9de23d140e5d4e

            SHA256

            c139a75106be97235e2f64930a0f403c8ae77bc44ed4ff799b30a19d687819f0

            SHA512

            233b0ed82622781e4057dcbf94c2249dffc620d70cb1a649b27212be58d68f6fc3156f6356243035f7fb9d8d33f1cfb198e8d53cc6e5ad269d8e437163c71529

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            9d5459c938995b240d642855b6b8d010

            SHA1

            fcf06d3dbb23d0b63c923dd8d3d38d310d41dc65

            SHA256

            39ff6deace5d0638c156db6f35467dc7ddad329e0f3536b0f820a899eb4bdd16

            SHA512

            fe483fc7b591784381d815e22d22714330200991a394795ca9edba5d1f3b0be65fdc2b9a78b7cc9501ee60b451f9f5b1f7dd77daec5e0d7ace0c6260807c7aa6

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            9d5459c938995b240d642855b6b8d010

            SHA1

            fcf06d3dbb23d0b63c923dd8d3d38d310d41dc65

            SHA256

            39ff6deace5d0638c156db6f35467dc7ddad329e0f3536b0f820a899eb4bdd16

            SHA512

            fe483fc7b591784381d815e22d22714330200991a394795ca9edba5d1f3b0be65fdc2b9a78b7cc9501ee60b451f9f5b1f7dd77daec5e0d7ace0c6260807c7aa6

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            9d5459c938995b240d642855b6b8d010

            SHA1

            fcf06d3dbb23d0b63c923dd8d3d38d310d41dc65

            SHA256

            39ff6deace5d0638c156db6f35467dc7ddad329e0f3536b0f820a899eb4bdd16

            SHA512

            fe483fc7b591784381d815e22d22714330200991a394795ca9edba5d1f3b0be65fdc2b9a78b7cc9501ee60b451f9f5b1f7dd77daec5e0d7ace0c6260807c7aa6

          • memory/216-164-0x0000000000000000-mapping.dmp

          • memory/872-136-0x0000000000000000-mapping.dmp

          • memory/1124-146-0x0000000000000000-mapping.dmp

          • memory/1260-139-0x0000000000000000-mapping.dmp

          • memory/1364-152-0x0000000000000000-mapping.dmp

          • memory/1560-158-0x0000000000000000-mapping.dmp

          • memory/2184-135-0x0000000000000000-mapping.dmp

          • memory/2440-165-0x0000000000000000-mapping.dmp

          • memory/4124-157-0x0000000000000000-mapping.dmp

          • memory/4684-141-0x0000000000000000-mapping.dmp

          • memory/4860-140-0x0000000000000000-mapping.dmp