Analysis

  • max time kernel
    91s
  • max time network
    153s
  • 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 10:10

General

  • Target

    e00add0d453ce44fbcc24b47400116a9eac02d898abbd5c5b326b3860cacd72c.exe

  • Size

    602KB

  • MD5

    4c0d260996af4d3018892a9fd7dd0283

  • SHA1

    eaaac11247abdf372fca05858efb50fff1132bc6

  • SHA256

    e00add0d453ce44fbcc24b47400116a9eac02d898abbd5c5b326b3860cacd72c

  • SHA512

    03ff3def57a9cf65315c125ab5dad4ae939740c5841cc9d555611509415f5a63823572dce5e759cff9c470217946170671e1295251e1d76fdb9f7b0ae0efe139

  • SSDEEP

    12288:yIny5DYTjbfjWCkqqSHryBVlmlGjVUWaD7:0UTjzj0qqPMYjKb

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\e00add0d453ce44fbcc24b47400116a9eac02d898abbd5c5b326b3860cacd72c.exe
    "C:\Users\Admin\AppData\Local\Temp\e00add0d453ce44fbcc24b47400116a9eac02d898abbd5c5b326b3860cacd72c.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:3996
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5000
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:4924
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1332
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:3444
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2828
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1776
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:4036
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4412
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:2064
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2572
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:4384
          • 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:1152
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:4972

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            894243f6dedfc79534fcbc78c2fba034

            SHA1

            ac5ba2d27e2cdbb692c949a8c54f3628fb4d21a2

            SHA256

            dc0bc3af38062ad021e73db3f4f07be0de00c9ebe1e78e0e8151dc024e20c6cb

            SHA512

            d41520c2d86467df4ab762110dfde644540eeadc15552422e5334c556078f3c3b95ab2355167cbbb35250b60a24bc175626989f9030485052d428a244ae36b14

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            894243f6dedfc79534fcbc78c2fba034

            SHA1

            ac5ba2d27e2cdbb692c949a8c54f3628fb4d21a2

            SHA256

            dc0bc3af38062ad021e73db3f4f07be0de00c9ebe1e78e0e8151dc024e20c6cb

            SHA512

            d41520c2d86467df4ab762110dfde644540eeadc15552422e5334c556078f3c3b95ab2355167cbbb35250b60a24bc175626989f9030485052d428a244ae36b14

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            894243f6dedfc79534fcbc78c2fba034

            SHA1

            ac5ba2d27e2cdbb692c949a8c54f3628fb4d21a2

            SHA256

            dc0bc3af38062ad021e73db3f4f07be0de00c9ebe1e78e0e8151dc024e20c6cb

            SHA512

            d41520c2d86467df4ab762110dfde644540eeadc15552422e5334c556078f3c3b95ab2355167cbbb35250b60a24bc175626989f9030485052d428a244ae36b14

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            894243f6dedfc79534fcbc78c2fba034

            SHA1

            ac5ba2d27e2cdbb692c949a8c54f3628fb4d21a2

            SHA256

            dc0bc3af38062ad021e73db3f4f07be0de00c9ebe1e78e0e8151dc024e20c6cb

            SHA512

            d41520c2d86467df4ab762110dfde644540eeadc15552422e5334c556078f3c3b95ab2355167cbbb35250b60a24bc175626989f9030485052d428a244ae36b14

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            2c957a4a31081c39f74a97ea19cc4ba2

            SHA1

            b83c9a14639ba023c15e25cfee058a36a49dc4f4

            SHA256

            5d9560dfaba6ec2b23a05578d4d6f1ae12255654e4c3542b10dfdcc045e95ee6

            SHA512

            f6c53e91c26b63b3a7bb7b62312619f7e8c28af0605b2b35c52bd552b60cc87887b0f34804ed0d62c5e6e3e3bbfdcb6383b24a92f58e0f984ab9efc35db547ff

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            2c957a4a31081c39f74a97ea19cc4ba2

            SHA1

            b83c9a14639ba023c15e25cfee058a36a49dc4f4

            SHA256

            5d9560dfaba6ec2b23a05578d4d6f1ae12255654e4c3542b10dfdcc045e95ee6

            SHA512

            f6c53e91c26b63b3a7bb7b62312619f7e8c28af0605b2b35c52bd552b60cc87887b0f34804ed0d62c5e6e3e3bbfdcb6383b24a92f58e0f984ab9efc35db547ff

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            2c957a4a31081c39f74a97ea19cc4ba2

            SHA1

            b83c9a14639ba023c15e25cfee058a36a49dc4f4

            SHA256

            5d9560dfaba6ec2b23a05578d4d6f1ae12255654e4c3542b10dfdcc045e95ee6

            SHA512

            f6c53e91c26b63b3a7bb7b62312619f7e8c28af0605b2b35c52bd552b60cc87887b0f34804ed0d62c5e6e3e3bbfdcb6383b24a92f58e0f984ab9efc35db547ff

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            f83c36e81620fa7cf15064a65e7b1aad

            SHA1

            d08c90c68771753d36a028ccbedceb267e83352f

            SHA256

            c9d9a6a56a2c4939f31b0e30258768095e5d2d80f9001b2be7eb8daeb758a6fc

            SHA512

            2d0b97367c5d64f1d7c0665156520f58882cba6f16eea62008d5c45d432842815a90578df2b0e826e32cab4b1e8eab9c5ba68431ca107b50a85b0451fcf5a8fd

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            f83c36e81620fa7cf15064a65e7b1aad

            SHA1

            d08c90c68771753d36a028ccbedceb267e83352f

            SHA256

            c9d9a6a56a2c4939f31b0e30258768095e5d2d80f9001b2be7eb8daeb758a6fc

            SHA512

            2d0b97367c5d64f1d7c0665156520f58882cba6f16eea62008d5c45d432842815a90578df2b0e826e32cab4b1e8eab9c5ba68431ca107b50a85b0451fcf5a8fd

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            0c529f5b058c2193afc442a6a379d1e9

            SHA1

            7b5befda047a3fe1148d04c6b51fd78682e9d97c

            SHA256

            0a30b30d928832bf8fb03e4dc08773063b88e3ca16ea6436fe60c5670d087c0e

            SHA512

            baf10327debef7b98f8c983470791c891137da0dae750df38daeb3b0e300686a930cb23d4e523688026e0c159cb3877287725cff33117316367a8b343db7021b

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            0c529f5b058c2193afc442a6a379d1e9

            SHA1

            7b5befda047a3fe1148d04c6b51fd78682e9d97c

            SHA256

            0a30b30d928832bf8fb03e4dc08773063b88e3ca16ea6436fe60c5670d087c0e

            SHA512

            baf10327debef7b98f8c983470791c891137da0dae750df38daeb3b0e300686a930cb23d4e523688026e0c159cb3877287725cff33117316367a8b343db7021b

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            0c529f5b058c2193afc442a6a379d1e9

            SHA1

            7b5befda047a3fe1148d04c6b51fd78682e9d97c

            SHA256

            0a30b30d928832bf8fb03e4dc08773063b88e3ca16ea6436fe60c5670d087c0e

            SHA512

            baf10327debef7b98f8c983470791c891137da0dae750df38daeb3b0e300686a930cb23d4e523688026e0c159cb3877287725cff33117316367a8b343db7021b

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            936917a8ec3c1a7743a2a9ae4830bbef

            SHA1

            1e86fcab53f35c065159a83e930662ded533eb72

            SHA256

            89410b676256608826be376e83f0603a2954a3433df34605025be87ab8ad6cd4

            SHA512

            96c6e08147f8b2a0b00d55c578f42f433959e0ffd84cc948f92118a9af5b7e3d97e61d4234c4269a18d953b8b44aaaf1f6f2dd3a524dec3b110bec6728020461

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            936917a8ec3c1a7743a2a9ae4830bbef

            SHA1

            1e86fcab53f35c065159a83e930662ded533eb72

            SHA256

            89410b676256608826be376e83f0603a2954a3433df34605025be87ab8ad6cd4

            SHA512

            96c6e08147f8b2a0b00d55c578f42f433959e0ffd84cc948f92118a9af5b7e3d97e61d4234c4269a18d953b8b44aaaf1f6f2dd3a524dec3b110bec6728020461

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            936917a8ec3c1a7743a2a9ae4830bbef

            SHA1

            1e86fcab53f35c065159a83e930662ded533eb72

            SHA256

            89410b676256608826be376e83f0603a2954a3433df34605025be87ab8ad6cd4

            SHA512

            96c6e08147f8b2a0b00d55c578f42f433959e0ffd84cc948f92118a9af5b7e3d97e61d4234c4269a18d953b8b44aaaf1f6f2dd3a524dec3b110bec6728020461

          • memory/1332-140-0x0000000000000000-mapping.dmp

          • memory/1776-147-0x0000000000000000-mapping.dmp

          • memory/2064-159-0x0000000000000000-mapping.dmp

          • memory/2572-165-0x0000000000000000-mapping.dmp

          • memory/2828-142-0x0000000000000000-mapping.dmp

          • memory/3444-141-0x0000000000000000-mapping.dmp

          • memory/3996-132-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/3996-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4036-153-0x0000000000000000-mapping.dmp

          • memory/4384-166-0x0000000000000000-mapping.dmp

          • memory/4412-158-0x0000000000000000-mapping.dmp

          • memory/4924-137-0x0000000000000000-mapping.dmp

          • memory/5000-136-0x0000000000000000-mapping.dmp