Analysis

  • max time kernel
    141s
  • max time network
    197s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 10:25

General

  • Target

    5929e95e7d6b23085955a292bf1ddd68512a1f20d5bca15d954db7bd265153b5.exe

  • Size

    603KB

  • MD5

    ba922bdb26f1d4561fb6df4b93efdab6

  • SHA1

    67ec81a14e3432507617706e3e31a805cb8dceae

  • SHA256

    5929e95e7d6b23085955a292bf1ddd68512a1f20d5bca15d954db7bd265153b5

  • SHA512

    14573892535180cd0038f44603095fbe26363213d85563008e6b7822d8d4e6996cfb4915af81aa808d1c8aa6e2920b8b8875fdacfc7413cd1525b0840a399fb4

  • SSDEEP

    12288:LIny5DYTmICVzaHjJ+hg8TVJkAnxIfEPkSVM4pyu9:zUTmdqJ+hLjkwd7Fpy

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\5929e95e7d6b23085955a292bf1ddd68512a1f20d5bca15d954db7bd265153b5.exe
    "C:\Users\Admin\AppData\Local\Temp\5929e95e7d6b23085955a292bf1ddd68512a1f20d5bca15d954db7bd265153b5.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:1708
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3872
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:4440
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3744
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:2016
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4380
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4788
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:3548
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4448
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:4464
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3300
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:3232
          • 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:3132
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:4636

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsz77F1.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsz77F1.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsz77F1.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsz77F1.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsz77F1.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsz77F1.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsz77F1.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsz77F1.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsz77F1.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            655c5301865b859d5d57ab2985287208

            SHA1

            c8c79a6d70428cb7ddaeed3df4f88851e1724757

            SHA256

            595280b02bb03dc1db275b73a197a19dbcd75963a7d96d09da6baed5338d3d1b

            SHA512

            1cbef134fbc6ece933735b78f5e5792d71133f7bf3458af00a2886bab3141787c1b25c9c6c0ee3b6c64b84b4f2b535f3a41d0ee66ba932582459f9591e8170e5

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            655c5301865b859d5d57ab2985287208

            SHA1

            c8c79a6d70428cb7ddaeed3df4f88851e1724757

            SHA256

            595280b02bb03dc1db275b73a197a19dbcd75963a7d96d09da6baed5338d3d1b

            SHA512

            1cbef134fbc6ece933735b78f5e5792d71133f7bf3458af00a2886bab3141787c1b25c9c6c0ee3b6c64b84b4f2b535f3a41d0ee66ba932582459f9591e8170e5

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            655c5301865b859d5d57ab2985287208

            SHA1

            c8c79a6d70428cb7ddaeed3df4f88851e1724757

            SHA256

            595280b02bb03dc1db275b73a197a19dbcd75963a7d96d09da6baed5338d3d1b

            SHA512

            1cbef134fbc6ece933735b78f5e5792d71133f7bf3458af00a2886bab3141787c1b25c9c6c0ee3b6c64b84b4f2b535f3a41d0ee66ba932582459f9591e8170e5

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            655c5301865b859d5d57ab2985287208

            SHA1

            c8c79a6d70428cb7ddaeed3df4f88851e1724757

            SHA256

            595280b02bb03dc1db275b73a197a19dbcd75963a7d96d09da6baed5338d3d1b

            SHA512

            1cbef134fbc6ece933735b78f5e5792d71133f7bf3458af00a2886bab3141787c1b25c9c6c0ee3b6c64b84b4f2b535f3a41d0ee66ba932582459f9591e8170e5

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            ee879f712ea16c7fcc3a541c87226776

            SHA1

            0fa12ebdc335a98ba5da93a274db7cabed371f99

            SHA256

            834e5fbd2ccbb476fa3954008044288789896d64917f1f810124978b90dd3a12

            SHA512

            3be0bc91858a169d7f90fea174aaed7f336c9f9824b43996c37a6e559435e51f8edc95416494aa0531d04b6fac67eb28044c2ade24420bb09a7867710f21b795

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            ee879f712ea16c7fcc3a541c87226776

            SHA1

            0fa12ebdc335a98ba5da93a274db7cabed371f99

            SHA256

            834e5fbd2ccbb476fa3954008044288789896d64917f1f810124978b90dd3a12

            SHA512

            3be0bc91858a169d7f90fea174aaed7f336c9f9824b43996c37a6e559435e51f8edc95416494aa0531d04b6fac67eb28044c2ade24420bb09a7867710f21b795

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            ee879f712ea16c7fcc3a541c87226776

            SHA1

            0fa12ebdc335a98ba5da93a274db7cabed371f99

            SHA256

            834e5fbd2ccbb476fa3954008044288789896d64917f1f810124978b90dd3a12

            SHA512

            3be0bc91858a169d7f90fea174aaed7f336c9f9824b43996c37a6e559435e51f8edc95416494aa0531d04b6fac67eb28044c2ade24420bb09a7867710f21b795

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            408cd5dc4e08123837bf2bcc0d7d684c

            SHA1

            38562b61e528a563a96ca737785d2276becaf0d2

            SHA256

            a47fce214d19b15b1e9cebd1dca0c30c845fe91ae8708608711ac0241faaee39

            SHA512

            3470e3989ef94bf63e0aab8ac552c0a34dacf0d6397416f2a3c03bcf3d415f496162da2eb66f05aaedc4ab306418eb7a871caa8182794367808d046a43ed070c

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            408cd5dc4e08123837bf2bcc0d7d684c

            SHA1

            38562b61e528a563a96ca737785d2276becaf0d2

            SHA256

            a47fce214d19b15b1e9cebd1dca0c30c845fe91ae8708608711ac0241faaee39

            SHA512

            3470e3989ef94bf63e0aab8ac552c0a34dacf0d6397416f2a3c03bcf3d415f496162da2eb66f05aaedc4ab306418eb7a871caa8182794367808d046a43ed070c

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            97559023968944f4079c37a1c0b1e4c0

            SHA1

            1c39f67692520b9ea5093d7a59cae558f376618c

            SHA256

            956de89e3d18e19fad3dbf95652b563bb67a85a761d368fbee7d5af33e824a6c

            SHA512

            ac7b90f6cac84b6eb8b4d488299d400d8e1ed934a0f20a905d6da641abfe5ca1bece986e652a4d41f52b9b99a48d2ee8f96d390c62568a11d4302df02333cb35

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            97559023968944f4079c37a1c0b1e4c0

            SHA1

            1c39f67692520b9ea5093d7a59cae558f376618c

            SHA256

            956de89e3d18e19fad3dbf95652b563bb67a85a761d368fbee7d5af33e824a6c

            SHA512

            ac7b90f6cac84b6eb8b4d488299d400d8e1ed934a0f20a905d6da641abfe5ca1bece986e652a4d41f52b9b99a48d2ee8f96d390c62568a11d4302df02333cb35

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            97559023968944f4079c37a1c0b1e4c0

            SHA1

            1c39f67692520b9ea5093d7a59cae558f376618c

            SHA256

            956de89e3d18e19fad3dbf95652b563bb67a85a761d368fbee7d5af33e824a6c

            SHA512

            ac7b90f6cac84b6eb8b4d488299d400d8e1ed934a0f20a905d6da641abfe5ca1bece986e652a4d41f52b9b99a48d2ee8f96d390c62568a11d4302df02333cb35

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            1e642ee86ad6865cc26a7a7ff858d6a1

            SHA1

            c1d41dcafd339a923daaa2d55ca72460f99b252b

            SHA256

            0ba1b5bdca9d7578d5683b262555502bd30273e2d2dce03066f1484b5d80c0d7

            SHA512

            3c6b4450b087fae5da9bdbf8d83e28a45d427d993ea0fc05ff2d064d65011c4fcf9b0a46c6d9a9af879ba2a1a0fb1df25ed620e63767e5f505c39bd63c37831e

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            1e642ee86ad6865cc26a7a7ff858d6a1

            SHA1

            c1d41dcafd339a923daaa2d55ca72460f99b252b

            SHA256

            0ba1b5bdca9d7578d5683b262555502bd30273e2d2dce03066f1484b5d80c0d7

            SHA512

            3c6b4450b087fae5da9bdbf8d83e28a45d427d993ea0fc05ff2d064d65011c4fcf9b0a46c6d9a9af879ba2a1a0fb1df25ed620e63767e5f505c39bd63c37831e

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            1e642ee86ad6865cc26a7a7ff858d6a1

            SHA1

            c1d41dcafd339a923daaa2d55ca72460f99b252b

            SHA256

            0ba1b5bdca9d7578d5683b262555502bd30273e2d2dce03066f1484b5d80c0d7

            SHA512

            3c6b4450b087fae5da9bdbf8d83e28a45d427d993ea0fc05ff2d064d65011c4fcf9b0a46c6d9a9af879ba2a1a0fb1df25ed620e63767e5f505c39bd63c37831e

          • memory/1708-133-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1708-169-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/1708-138-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/2016-142-0x0000000000000000-mapping.dmp

          • memory/3232-167-0x0000000000000000-mapping.dmp

          • memory/3300-166-0x0000000000000000-mapping.dmp

          • memory/3548-154-0x0000000000000000-mapping.dmp

          • memory/3744-141-0x0000000000000000-mapping.dmp

          • memory/3872-136-0x0000000000000000-mapping.dmp

          • memory/4380-143-0x0000000000000000-mapping.dmp

          • memory/4440-137-0x0000000000000000-mapping.dmp

          • memory/4448-159-0x0000000000000000-mapping.dmp

          • memory/4464-160-0x0000000000000000-mapping.dmp

          • memory/4788-148-0x0000000000000000-mapping.dmp