Analysis

  • max time kernel
    150s
  • 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 10:30

General

  • Target

    2e2658d601e330e0dc970b4f967834846a202d8e30280d14eca72b41783f9a56.exe

  • Size

    603KB

  • MD5

    a5fac77ad47379f1e2cab6d8577ca22a

  • SHA1

    67c3f12332ee99c75d2beba299aa007a694fb252

  • SHA256

    2e2658d601e330e0dc970b4f967834846a202d8e30280d14eca72b41783f9a56

  • SHA512

    cfff6935eb98f5d9b205ffdd8660d7d37ac2f505c229da73b546f2de0143592ed20aba89301feeae95f5f4d40e9d3083a0ee446142e47187a0b057e2b77c81c9

  • SSDEEP

    12288:xIny5DYTTX6BSkYCpTY9dOg9Tvn+xPWM7TBHm5Lo4V4mTo+I0lTZ:NUT7ejRpwXf+xPWOHm5Ln4KJz9

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\2e2658d601e330e0dc970b4f967834846a202d8e30280d14eca72b41783f9a56.exe
    "C:\Users\Admin\AppData\Local\Temp\2e2658d601e330e0dc970b4f967834846a202d8e30280d14eca72b41783f9a56.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:3048
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3672
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:4884
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4816
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:4560
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:3716
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:5060
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:4076
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3296
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:212
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3176
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:3684
          • 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:1456
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:3244

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsa7D16.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsa7D16.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsa7D16.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsa7D16.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsa7D16.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsa7D16.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsa7D16.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsa7D16.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsa7D16.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            12bf9c6320a6645b438e98b6c0ed48ed

            SHA1

            dcd076356b493ff65ec1e3162f0644d3a793c50f

            SHA256

            accf734e7be5c4b2d1549ac9477938cd48535074191c348c4056246b418d8f56

            SHA512

            c91268285a558f134c55cdf09e4b792258fd33f2fdf6797814bcd6360dd204f8a8b40145e88bd22c753e13abe00968a7bff07e77ca5c1c87c09da65c502bf1d8

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            12bf9c6320a6645b438e98b6c0ed48ed

            SHA1

            dcd076356b493ff65ec1e3162f0644d3a793c50f

            SHA256

            accf734e7be5c4b2d1549ac9477938cd48535074191c348c4056246b418d8f56

            SHA512

            c91268285a558f134c55cdf09e4b792258fd33f2fdf6797814bcd6360dd204f8a8b40145e88bd22c753e13abe00968a7bff07e77ca5c1c87c09da65c502bf1d8

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            12bf9c6320a6645b438e98b6c0ed48ed

            SHA1

            dcd076356b493ff65ec1e3162f0644d3a793c50f

            SHA256

            accf734e7be5c4b2d1549ac9477938cd48535074191c348c4056246b418d8f56

            SHA512

            c91268285a558f134c55cdf09e4b792258fd33f2fdf6797814bcd6360dd204f8a8b40145e88bd22c753e13abe00968a7bff07e77ca5c1c87c09da65c502bf1d8

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            12bf9c6320a6645b438e98b6c0ed48ed

            SHA1

            dcd076356b493ff65ec1e3162f0644d3a793c50f

            SHA256

            accf734e7be5c4b2d1549ac9477938cd48535074191c348c4056246b418d8f56

            SHA512

            c91268285a558f134c55cdf09e4b792258fd33f2fdf6797814bcd6360dd204f8a8b40145e88bd22c753e13abe00968a7bff07e77ca5c1c87c09da65c502bf1d8

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            75162c60c87542392bc9dfbfb55803a0

            SHA1

            88fc17e52ce4cf32636be13bdee0c0d4b86e6874

            SHA256

            95965960fd018da81dc9df4ca7edfbd5c13ffe8da5663a163d22f2d0c379a9a3

            SHA512

            015a0ed6aeb0dd3159a812b68328774d6b0ebf280226ffd638bbf0964a48d570680b597c269c8592a50d555fab9f54fe10c492ec2ae96ff2fd41561b244b90d2

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            75162c60c87542392bc9dfbfb55803a0

            SHA1

            88fc17e52ce4cf32636be13bdee0c0d4b86e6874

            SHA256

            95965960fd018da81dc9df4ca7edfbd5c13ffe8da5663a163d22f2d0c379a9a3

            SHA512

            015a0ed6aeb0dd3159a812b68328774d6b0ebf280226ffd638bbf0964a48d570680b597c269c8592a50d555fab9f54fe10c492ec2ae96ff2fd41561b244b90d2

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            75162c60c87542392bc9dfbfb55803a0

            SHA1

            88fc17e52ce4cf32636be13bdee0c0d4b86e6874

            SHA256

            95965960fd018da81dc9df4ca7edfbd5c13ffe8da5663a163d22f2d0c379a9a3

            SHA512

            015a0ed6aeb0dd3159a812b68328774d6b0ebf280226ffd638bbf0964a48d570680b597c269c8592a50d555fab9f54fe10c492ec2ae96ff2fd41561b244b90d2

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            f6b04a0a992d262de68589e2f8740e3a

            SHA1

            202d091e26bb122eadcdc78be0fd38e6e5493e3d

            SHA256

            cb3b175f9dc5253233f0b2a0299f8f6773a624e7406fb5536d3d3935d5bec6f0

            SHA512

            a4b0ed082159e8b3931414dacbd923f11e0275acefd9a8679faf573f498c3b5c3a1c78634922a3700ea49bce369b9ec101ce1ec430b03645399d1d9ce68d3cfc

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            f6b04a0a992d262de68589e2f8740e3a

            SHA1

            202d091e26bb122eadcdc78be0fd38e6e5493e3d

            SHA256

            cb3b175f9dc5253233f0b2a0299f8f6773a624e7406fb5536d3d3935d5bec6f0

            SHA512

            a4b0ed082159e8b3931414dacbd923f11e0275acefd9a8679faf573f498c3b5c3a1c78634922a3700ea49bce369b9ec101ce1ec430b03645399d1d9ce68d3cfc

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            a84f371f724ab62598244a00b82eb52a

            SHA1

            9076512847992d309df69a1e0f36f36e06c1b9bf

            SHA256

            1d82ebc673004e951c36f6a46f3f848a3f77acc75e1e8de8905e08b3a8ac82c5

            SHA512

            5b8d3dcd45249e51deadb764f4a72eab01b4b7fc9379d6b67f130c87c2503636d98b351a2ada0edc1ee8a52ac8ec72be1106ead655c06d27a96860308afff202

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            a84f371f724ab62598244a00b82eb52a

            SHA1

            9076512847992d309df69a1e0f36f36e06c1b9bf

            SHA256

            1d82ebc673004e951c36f6a46f3f848a3f77acc75e1e8de8905e08b3a8ac82c5

            SHA512

            5b8d3dcd45249e51deadb764f4a72eab01b4b7fc9379d6b67f130c87c2503636d98b351a2ada0edc1ee8a52ac8ec72be1106ead655c06d27a96860308afff202

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            a84f371f724ab62598244a00b82eb52a

            SHA1

            9076512847992d309df69a1e0f36f36e06c1b9bf

            SHA256

            1d82ebc673004e951c36f6a46f3f848a3f77acc75e1e8de8905e08b3a8ac82c5

            SHA512

            5b8d3dcd45249e51deadb764f4a72eab01b4b7fc9379d6b67f130c87c2503636d98b351a2ada0edc1ee8a52ac8ec72be1106ead655c06d27a96860308afff202

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            1f0c64a63b0ce519cbc5dee7b2b7cc4b

            SHA1

            f8783d4f4f6e99f02fbc06c77dc7a30cbe8243b0

            SHA256

            80a66ec7d18403510da101cbf5f5023c3e12077829e6ac6c67a2e86ff18ab972

            SHA512

            14bca7db79b971b5768dfc021bcb35de6cc53253b94ddf934c3e48ead0efe1e718a3fe828fe08ac80f27320a54e69b8dc7c998c033a4736903b9d5a53a8b2940

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            1f0c64a63b0ce519cbc5dee7b2b7cc4b

            SHA1

            f8783d4f4f6e99f02fbc06c77dc7a30cbe8243b0

            SHA256

            80a66ec7d18403510da101cbf5f5023c3e12077829e6ac6c67a2e86ff18ab972

            SHA512

            14bca7db79b971b5768dfc021bcb35de6cc53253b94ddf934c3e48ead0efe1e718a3fe828fe08ac80f27320a54e69b8dc7c998c033a4736903b9d5a53a8b2940

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            1f0c64a63b0ce519cbc5dee7b2b7cc4b

            SHA1

            f8783d4f4f6e99f02fbc06c77dc7a30cbe8243b0

            SHA256

            80a66ec7d18403510da101cbf5f5023c3e12077829e6ac6c67a2e86ff18ab972

            SHA512

            14bca7db79b971b5768dfc021bcb35de6cc53253b94ddf934c3e48ead0efe1e718a3fe828fe08ac80f27320a54e69b8dc7c998c033a4736903b9d5a53a8b2940

          • memory/212-159-0x0000000000000000-mapping.dmp

          • memory/3048-137-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/3048-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/3176-165-0x0000000000000000-mapping.dmp

          • memory/3296-158-0x0000000000000000-mapping.dmp

          • memory/3672-135-0x0000000000000000-mapping.dmp

          • memory/3684-166-0x0000000000000000-mapping.dmp

          • memory/3716-142-0x0000000000000000-mapping.dmp

          • memory/4076-153-0x0000000000000000-mapping.dmp

          • memory/4560-141-0x0000000000000000-mapping.dmp

          • memory/4816-140-0x0000000000000000-mapping.dmp

          • memory/4884-136-0x0000000000000000-mapping.dmp

          • memory/5060-147-0x0000000000000000-mapping.dmp