Analysis

  • max time kernel
    80s
  • max time network
    144s
  • 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 10:24

General

  • Target

    614baeb35184ef52bc52bcf78bd14572319eba272ebcabcf6087677760541dfe.exe

  • Size

    602KB

  • MD5

    28b1f733c2f7f13beae9ddd6f05a317b

  • SHA1

    0151b392c459bc7880cf619b2e13fe6460fc6648

  • SHA256

    614baeb35184ef52bc52bcf78bd14572319eba272ebcabcf6087677760541dfe

  • SHA512

    9dfc2a64ef4781c46638bf06d74c8f5958b98695d01d0fcada06e98a833daf7ad3a11ffd537f8aa918ccd5eca06e188e726814e89d95cf84ff67ea7a22e169aa

  • SSDEEP

    12288:lIny5DYT0B9Nl9NSGMkNUAa+eLjtN4NZrFx:RUTk9N3MALe3toZ3

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\614baeb35184ef52bc52bcf78bd14572319eba272ebcabcf6087677760541dfe.exe
    "C:\Users\Admin\AppData\Local\Temp\614baeb35184ef52bc52bcf78bd14572319eba272ebcabcf6087677760541dfe.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:2960
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2280
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:2996
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4108
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:1336
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1080
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2108
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:224
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:812
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:1884
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2284
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:1264
          • 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:3920
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:3568

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nscD99E.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nscD99E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscD99E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscD99E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscD99E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscD99E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscD99E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscD99E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscD99E.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            d6d46fcc72cd0a240fe9fee3a19237a9

            SHA1

            5c5648a2b6eef2452d7a975842f18749941dc944

            SHA256

            f1538c16aea8af01fc818cf417e5bf1fb1f981f76e5c0ce752bf269adb6815c9

            SHA512

            fc5a7f4b02ffb03af63f26cf6d0f097e7e8efab6b1098a5f81cff25a5e80bc7c2c010ce33cf414f0875ab9f12b75fe65bf9cfcc972813ff8c6b29600c3bd02c1

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            d6d46fcc72cd0a240fe9fee3a19237a9

            SHA1

            5c5648a2b6eef2452d7a975842f18749941dc944

            SHA256

            f1538c16aea8af01fc818cf417e5bf1fb1f981f76e5c0ce752bf269adb6815c9

            SHA512

            fc5a7f4b02ffb03af63f26cf6d0f097e7e8efab6b1098a5f81cff25a5e80bc7c2c010ce33cf414f0875ab9f12b75fe65bf9cfcc972813ff8c6b29600c3bd02c1

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            d6d46fcc72cd0a240fe9fee3a19237a9

            SHA1

            5c5648a2b6eef2452d7a975842f18749941dc944

            SHA256

            f1538c16aea8af01fc818cf417e5bf1fb1f981f76e5c0ce752bf269adb6815c9

            SHA512

            fc5a7f4b02ffb03af63f26cf6d0f097e7e8efab6b1098a5f81cff25a5e80bc7c2c010ce33cf414f0875ab9f12b75fe65bf9cfcc972813ff8c6b29600c3bd02c1

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            d6d46fcc72cd0a240fe9fee3a19237a9

            SHA1

            5c5648a2b6eef2452d7a975842f18749941dc944

            SHA256

            f1538c16aea8af01fc818cf417e5bf1fb1f981f76e5c0ce752bf269adb6815c9

            SHA512

            fc5a7f4b02ffb03af63f26cf6d0f097e7e8efab6b1098a5f81cff25a5e80bc7c2c010ce33cf414f0875ab9f12b75fe65bf9cfcc972813ff8c6b29600c3bd02c1

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            67a7340b0853690aada4057a6c13111c

            SHA1

            ae8dd87b40f262eeba97cf7cd142c390dd0b1273

            SHA256

            b08ab15c118f317c4c1222ccebd64206b94c3c756e6e4172a5725c4f64dfabb3

            SHA512

            2bb8bb6b98dacf836335c0e211836ad85e812ba140663743395861df5491790d1e869bcf74867b22b95d37265d58cde8b7f1afce7fc3c1a62749bed826ac1820

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            67a7340b0853690aada4057a6c13111c

            SHA1

            ae8dd87b40f262eeba97cf7cd142c390dd0b1273

            SHA256

            b08ab15c118f317c4c1222ccebd64206b94c3c756e6e4172a5725c4f64dfabb3

            SHA512

            2bb8bb6b98dacf836335c0e211836ad85e812ba140663743395861df5491790d1e869bcf74867b22b95d37265d58cde8b7f1afce7fc3c1a62749bed826ac1820

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            67a7340b0853690aada4057a6c13111c

            SHA1

            ae8dd87b40f262eeba97cf7cd142c390dd0b1273

            SHA256

            b08ab15c118f317c4c1222ccebd64206b94c3c756e6e4172a5725c4f64dfabb3

            SHA512

            2bb8bb6b98dacf836335c0e211836ad85e812ba140663743395861df5491790d1e869bcf74867b22b95d37265d58cde8b7f1afce7fc3c1a62749bed826ac1820

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            0a0cd8d97e4581d96166a98069844076

            SHA1

            e8701eaa2662a0f7eefd0905e021bb5ee79e4f4a

            SHA256

            f4167e3bb8af911925811fd8d4a3b3c58341ea511dcbdcfb5cf78eeb13fdf52a

            SHA512

            7bf9fa2367711f4208a7ea4d996960703731b20d3a099f0783690d33099efe65dd5e10e56d38311c633c28a826ba2db8ec9b1cf5c0bee1bc91a0fd56ada0828e

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            0a0cd8d97e4581d96166a98069844076

            SHA1

            e8701eaa2662a0f7eefd0905e021bb5ee79e4f4a

            SHA256

            f4167e3bb8af911925811fd8d4a3b3c58341ea511dcbdcfb5cf78eeb13fdf52a

            SHA512

            7bf9fa2367711f4208a7ea4d996960703731b20d3a099f0783690d33099efe65dd5e10e56d38311c633c28a826ba2db8ec9b1cf5c0bee1bc91a0fd56ada0828e

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            a6a91021e3bcf763aeab3ba3aea8318c

            SHA1

            c3bddb7d50f6b75971ed6000e0e98757da0d02c5

            SHA256

            1ae1ca97589d4d2b705517eba90da4daf9bbd71586c26edfd7e7bd404a43c265

            SHA512

            1197798481dfc8bf455de4445851cf93d4e46a2f103b963c5541654c26bb8eba2f3d40ecf90e215f0c7b7d37d00f246890fa26a1c95a235a609c2080ce56468e

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            a6a91021e3bcf763aeab3ba3aea8318c

            SHA1

            c3bddb7d50f6b75971ed6000e0e98757da0d02c5

            SHA256

            1ae1ca97589d4d2b705517eba90da4daf9bbd71586c26edfd7e7bd404a43c265

            SHA512

            1197798481dfc8bf455de4445851cf93d4e46a2f103b963c5541654c26bb8eba2f3d40ecf90e215f0c7b7d37d00f246890fa26a1c95a235a609c2080ce56468e

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            a6a91021e3bcf763aeab3ba3aea8318c

            SHA1

            c3bddb7d50f6b75971ed6000e0e98757da0d02c5

            SHA256

            1ae1ca97589d4d2b705517eba90da4daf9bbd71586c26edfd7e7bd404a43c265

            SHA512

            1197798481dfc8bf455de4445851cf93d4e46a2f103b963c5541654c26bb8eba2f3d40ecf90e215f0c7b7d37d00f246890fa26a1c95a235a609c2080ce56468e

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            af4cfdd3880135e4491ef3b9cc3b458e

            SHA1

            f32c7490bd112fac9003c352b3143cd6f47852f4

            SHA256

            2b457b3ab9bf0d424648d68e3d8c69e313537930b9616e592af196dba0308261

            SHA512

            1b0e3ab3d23bd1be9beb55ccfec68dcf0ece48de2a65463513b1d659460bf3b2977db382942b608c0d66e90589c3ab12fb3f288e64a0bcea446a934c5ec68181

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            af4cfdd3880135e4491ef3b9cc3b458e

            SHA1

            f32c7490bd112fac9003c352b3143cd6f47852f4

            SHA256

            2b457b3ab9bf0d424648d68e3d8c69e313537930b9616e592af196dba0308261

            SHA512

            1b0e3ab3d23bd1be9beb55ccfec68dcf0ece48de2a65463513b1d659460bf3b2977db382942b608c0d66e90589c3ab12fb3f288e64a0bcea446a934c5ec68181

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            af4cfdd3880135e4491ef3b9cc3b458e

            SHA1

            f32c7490bd112fac9003c352b3143cd6f47852f4

            SHA256

            2b457b3ab9bf0d424648d68e3d8c69e313537930b9616e592af196dba0308261

            SHA512

            1b0e3ab3d23bd1be9beb55ccfec68dcf0ece48de2a65463513b1d659460bf3b2977db382942b608c0d66e90589c3ab12fb3f288e64a0bcea446a934c5ec68181

          • memory/224-153-0x0000000000000000-mapping.dmp

          • memory/812-158-0x0000000000000000-mapping.dmp

          • memory/1080-142-0x0000000000000000-mapping.dmp

          • memory/1264-166-0x0000000000000000-mapping.dmp

          • memory/1336-141-0x0000000000000000-mapping.dmp

          • memory/1884-159-0x0000000000000000-mapping.dmp

          • memory/2108-147-0x0000000000000000-mapping.dmp

          • memory/2280-135-0x0000000000000000-mapping.dmp

          • memory/2284-165-0x0000000000000000-mapping.dmp

          • memory/2960-137-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/2960-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/2996-136-0x0000000000000000-mapping.dmp

          • memory/4108-140-0x0000000000000000-mapping.dmp