Analysis

  • max time kernel
    125s
  • max time network
    140s
  • 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 10:59

General

  • Target

    1d9670e37d2143efdd9881a5d13d2a6587cd16a0171ad4e4db68560d72745b70.exe

  • Size

    446KB

  • MD5

    64ff0af94b9f3e894b169534f24aa78b

  • SHA1

    7f34b44e545d32e684570a7d2ff8e422d1d2d956

  • SHA256

    1d9670e37d2143efdd9881a5d13d2a6587cd16a0171ad4e4db68560d72745b70

  • SHA512

    6eb8ee3a42b898704eb8990c8397884f3209bc3fdf3a600c24dda2ed063f848edde1e7c837ed79ff4d17451487b9e046b3d7dbd865380f1eac7e917985480695

  • SSDEEP

    12288:N6lppKsBraiAGxJkdj3Zqa3m6IpI99wMz1HQs:N6E8rlFxJkp3Z7tIu99xdQs

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\1d9670e37d2143efdd9881a5d13d2a6587cd16a0171ad4e4db68560d72745b70.exe
    "C:\Users\Admin\AppData\Local\Temp\1d9670e37d2143efdd9881a5d13d2a6587cd16a0171ad4e4db68560d72745b70.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:2532
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2436
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:496
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3392
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:1404
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:3984
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1988
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:2916
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3160
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:1112
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3908
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:732
          • 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:1828
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:4328

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsqC952.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsqC952.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsqC952.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsqC952.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsqC952.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsqC952.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsqC952.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsqC952.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsqC952.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            78610c4b1ba9d473d7a506cb1585be98

            SHA1

            2eb8bd5be145e298248d86240a5574040b9bcb18

            SHA256

            0da84e7dcb67eef78d3fcd4dfa6b0962ce96b1abe50ee035605d8746646912e6

            SHA512

            4ca61568eef5551256a209f57f9e4c60858cdda651b882d899067772cfe4626d978be507556cf64859cb698c84651dfa21714933172265dca9486bb99c1da880

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            78610c4b1ba9d473d7a506cb1585be98

            SHA1

            2eb8bd5be145e298248d86240a5574040b9bcb18

            SHA256

            0da84e7dcb67eef78d3fcd4dfa6b0962ce96b1abe50ee035605d8746646912e6

            SHA512

            4ca61568eef5551256a209f57f9e4c60858cdda651b882d899067772cfe4626d978be507556cf64859cb698c84651dfa21714933172265dca9486bb99c1da880

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            78610c4b1ba9d473d7a506cb1585be98

            SHA1

            2eb8bd5be145e298248d86240a5574040b9bcb18

            SHA256

            0da84e7dcb67eef78d3fcd4dfa6b0962ce96b1abe50ee035605d8746646912e6

            SHA512

            4ca61568eef5551256a209f57f9e4c60858cdda651b882d899067772cfe4626d978be507556cf64859cb698c84651dfa21714933172265dca9486bb99c1da880

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            78610c4b1ba9d473d7a506cb1585be98

            SHA1

            2eb8bd5be145e298248d86240a5574040b9bcb18

            SHA256

            0da84e7dcb67eef78d3fcd4dfa6b0962ce96b1abe50ee035605d8746646912e6

            SHA512

            4ca61568eef5551256a209f57f9e4c60858cdda651b882d899067772cfe4626d978be507556cf64859cb698c84651dfa21714933172265dca9486bb99c1da880

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            d272b85cbfa56953f0fcf61280fae326

            SHA1

            f64a9110d36a2e83c21cb3aaf72babf812e6162a

            SHA256

            d8d6fb03c0fdee04e693ce9a31f0a6d17d5d17fee4003b94933da2bc0ab0de8b

            SHA512

            29a51083319a972e8478460589fcaf279686b86ef0df0d2763734d7871baed03231ca67950761cd511178d4a987b8d429e6aa029566a19764c76c5a2258f41b3

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            d272b85cbfa56953f0fcf61280fae326

            SHA1

            f64a9110d36a2e83c21cb3aaf72babf812e6162a

            SHA256

            d8d6fb03c0fdee04e693ce9a31f0a6d17d5d17fee4003b94933da2bc0ab0de8b

            SHA512

            29a51083319a972e8478460589fcaf279686b86ef0df0d2763734d7871baed03231ca67950761cd511178d4a987b8d429e6aa029566a19764c76c5a2258f41b3

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            d272b85cbfa56953f0fcf61280fae326

            SHA1

            f64a9110d36a2e83c21cb3aaf72babf812e6162a

            SHA256

            d8d6fb03c0fdee04e693ce9a31f0a6d17d5d17fee4003b94933da2bc0ab0de8b

            SHA512

            29a51083319a972e8478460589fcaf279686b86ef0df0d2763734d7871baed03231ca67950761cd511178d4a987b8d429e6aa029566a19764c76c5a2258f41b3

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            80a0d1816828b4a8d7ff5b641ed53e63

            SHA1

            272915cfb94a2fd1993a58334841bb0d73685acf

            SHA256

            56a9ec8cfff2743a2ca7f4a2e1048e2c66356dffd8472270e0c5d767f0f6be6c

            SHA512

            26d6a38f426f363dfbe39abbf2ee875548c09f54de7ec2143d2e1785b40efd09dd2b0e247a8c1f0c729acfba26dd55bd990a856d37e78033470b30d1b9748973

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            80a0d1816828b4a8d7ff5b641ed53e63

            SHA1

            272915cfb94a2fd1993a58334841bb0d73685acf

            SHA256

            56a9ec8cfff2743a2ca7f4a2e1048e2c66356dffd8472270e0c5d767f0f6be6c

            SHA512

            26d6a38f426f363dfbe39abbf2ee875548c09f54de7ec2143d2e1785b40efd09dd2b0e247a8c1f0c729acfba26dd55bd990a856d37e78033470b30d1b9748973

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            7ff40be643ba30707f90fdd99d24c009

            SHA1

            2a37325215ccac43da845156a1442a2581c62530

            SHA256

            5ca5581d20eab2f9a3f6df5b2b8bd55a5d962c9b6db187704bd95fe838e7f648

            SHA512

            02bd20132d25abc6e2d98b59ecccf25b32237fa0c624adc7bfc27ed7f22bdde0f80c68c2d7d8cdaa96eb2e1c96944ac46091bca3938ecece4bf5bff642b69fcb

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            7ff40be643ba30707f90fdd99d24c009

            SHA1

            2a37325215ccac43da845156a1442a2581c62530

            SHA256

            5ca5581d20eab2f9a3f6df5b2b8bd55a5d962c9b6db187704bd95fe838e7f648

            SHA512

            02bd20132d25abc6e2d98b59ecccf25b32237fa0c624adc7bfc27ed7f22bdde0f80c68c2d7d8cdaa96eb2e1c96944ac46091bca3938ecece4bf5bff642b69fcb

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            7ff40be643ba30707f90fdd99d24c009

            SHA1

            2a37325215ccac43da845156a1442a2581c62530

            SHA256

            5ca5581d20eab2f9a3f6df5b2b8bd55a5d962c9b6db187704bd95fe838e7f648

            SHA512

            02bd20132d25abc6e2d98b59ecccf25b32237fa0c624adc7bfc27ed7f22bdde0f80c68c2d7d8cdaa96eb2e1c96944ac46091bca3938ecece4bf5bff642b69fcb

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            9c60c026f3035e68df3f0b9613433d41

            SHA1

            1fcd5ee14de1506c3b570a22ce7961bc4f2b2b64

            SHA256

            b1434ab56d47359dde0365e78e2611562f9607d3d1fec35fb9f7dbf609dc8add

            SHA512

            2760b87a0a21a7556d5a11a7bda142eb6ab445f397747b44319a19113a35d2666f3c2d6c6946fe06937bf43bdac855b19e51d622a687a4fe316d33dfabc4b99a

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            9c60c026f3035e68df3f0b9613433d41

            SHA1

            1fcd5ee14de1506c3b570a22ce7961bc4f2b2b64

            SHA256

            b1434ab56d47359dde0365e78e2611562f9607d3d1fec35fb9f7dbf609dc8add

            SHA512

            2760b87a0a21a7556d5a11a7bda142eb6ab445f397747b44319a19113a35d2666f3c2d6c6946fe06937bf43bdac855b19e51d622a687a4fe316d33dfabc4b99a

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            9c60c026f3035e68df3f0b9613433d41

            SHA1

            1fcd5ee14de1506c3b570a22ce7961bc4f2b2b64

            SHA256

            b1434ab56d47359dde0365e78e2611562f9607d3d1fec35fb9f7dbf609dc8add

            SHA512

            2760b87a0a21a7556d5a11a7bda142eb6ab445f397747b44319a19113a35d2666f3c2d6c6946fe06937bf43bdac855b19e51d622a687a4fe316d33dfabc4b99a

          • memory/496-136-0x0000000000000000-mapping.dmp

          • memory/732-165-0x0000000000000000-mapping.dmp

          • memory/1112-158-0x0000000000000000-mapping.dmp

          • memory/1404-140-0x0000000000000000-mapping.dmp

          • memory/1988-146-0x0000000000000000-mapping.dmp

          • memory/2436-135-0x0000000000000000-mapping.dmp

          • memory/2916-152-0x0000000000000000-mapping.dmp

          • memory/3160-157-0x0000000000000000-mapping.dmp

          • memory/3392-139-0x0000000000000000-mapping.dmp

          • memory/3908-164-0x0000000000000000-mapping.dmp

          • memory/3984-141-0x0000000000000000-mapping.dmp