Analysis

  • max time kernel
    186s
  • max time network
    200s
  • 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 10:51

General

  • Target

    dd85621df722a81939cbc773c9e69b9b2007700c5f1be2dec531df1f783b9abd.exe

  • Size

    446KB

  • MD5

    042f442874685146096b271b8dbb226d

  • SHA1

    b964b83f6b6cb5a54f936ea9eb1652e0b2d9e206

  • SHA256

    dd85621df722a81939cbc773c9e69b9b2007700c5f1be2dec531df1f783b9abd

  • SHA512

    eb5877c7cacf7f5432d229f829a794b69548b4987fac58d674c6555061b234f1a944ba655afba8d96668b418f4da4b0d4d494f702828d78c54574939f3de6b22

  • SSDEEP

    12288:ZVGw/O3Al1DqgvY6r3nLbscd5BGnyS/DUmuAvmAE:ZV5OUrRrHB5BKySLUmE3

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\dd85621df722a81939cbc773c9e69b9b2007700c5f1be2dec531df1f783b9abd.exe
    "C:\Users\Admin\AppData\Local\Temp\dd85621df722a81939cbc773c9e69b9b2007700c5f1be2dec531df1f783b9abd.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:4560
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4524
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:1912
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4432
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:4596
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:3564
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:3536
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:956
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1356
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:2640
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4676
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:3660
          • 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:3552
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:2160

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Discovery

          Query Registry

          1
          T1012

          System Information Discovery

          1
          T1082

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsq2F30.tmp\System.dll
            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsq2F30.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsq2F30.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsq2F30.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsq2F30.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsq2F30.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsq2F30.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsq2F30.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsq2F30.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            16a24ee924474eb9d8e79f59d70e4db7

            SHA1

            61e64632068fe99fa3d52866dc011512afecc7aa

            SHA256

            546cba6196d6263a05c6e92be8767806f233f85b5e1318c3df6837aa9ffcfc81

            SHA512

            c4f175e573d8b0573a907890a3dd545cf4935f87392a1b302cdaff403817c8a3481e1fb578aa91c2124ffb1f824d544e2a908a6e55c9e5dd8ca7b5d1983605ad

          • C:\Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            16a24ee924474eb9d8e79f59d70e4db7

            SHA1

            61e64632068fe99fa3d52866dc011512afecc7aa

            SHA256

            546cba6196d6263a05c6e92be8767806f233f85b5e1318c3df6837aa9ffcfc81

            SHA512

            c4f175e573d8b0573a907890a3dd545cf4935f87392a1b302cdaff403817c8a3481e1fb578aa91c2124ffb1f824d544e2a908a6e55c9e5dd8ca7b5d1983605ad

          • C:\Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            16a24ee924474eb9d8e79f59d70e4db7

            SHA1

            61e64632068fe99fa3d52866dc011512afecc7aa

            SHA256

            546cba6196d6263a05c6e92be8767806f233f85b5e1318c3df6837aa9ffcfc81

            SHA512

            c4f175e573d8b0573a907890a3dd545cf4935f87392a1b302cdaff403817c8a3481e1fb578aa91c2124ffb1f824d544e2a908a6e55c9e5dd8ca7b5d1983605ad

          • C:\Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            16a24ee924474eb9d8e79f59d70e4db7

            SHA1

            61e64632068fe99fa3d52866dc011512afecc7aa

            SHA256

            546cba6196d6263a05c6e92be8767806f233f85b5e1318c3df6837aa9ffcfc81

            SHA512

            c4f175e573d8b0573a907890a3dd545cf4935f87392a1b302cdaff403817c8a3481e1fb578aa91c2124ffb1f824d544e2a908a6e55c9e5dd8ca7b5d1983605ad

          • C:\Windows\SysWOW64\hfpapi.dll
            Filesize

            241KB

            MD5

            7b0ad5f845ed395c25c5769fb71599cf

            SHA1

            c707dc4c54768d0e4846af7150b4b576f2e9f0c6

            SHA256

            6cc24b3ade88a246bd00139a85a801814900ecfac29963239354e3ccc81875c7

            SHA512

            84ef3704151a9de0f53eaf41c714f3e3db628cb7eedeb1951e4f08b1a6c641c6cf90ece6433be617ea33d4336de7201aeebed4579785212636ee3d0b1209c5a2

          • C:\Windows\SysWOW64\hfpapi.dll
            Filesize

            241KB

            MD5

            7b0ad5f845ed395c25c5769fb71599cf

            SHA1

            c707dc4c54768d0e4846af7150b4b576f2e9f0c6

            SHA256

            6cc24b3ade88a246bd00139a85a801814900ecfac29963239354e3ccc81875c7

            SHA512

            84ef3704151a9de0f53eaf41c714f3e3db628cb7eedeb1951e4f08b1a6c641c6cf90ece6433be617ea33d4336de7201aeebed4579785212636ee3d0b1209c5a2

          • C:\Windows\SysWOW64\hfpapi.dll
            Filesize

            241KB

            MD5

            7b0ad5f845ed395c25c5769fb71599cf

            SHA1

            c707dc4c54768d0e4846af7150b4b576f2e9f0c6

            SHA256

            6cc24b3ade88a246bd00139a85a801814900ecfac29963239354e3ccc81875c7

            SHA512

            84ef3704151a9de0f53eaf41c714f3e3db628cb7eedeb1951e4f08b1a6c641c6cf90ece6433be617ea33d4336de7201aeebed4579785212636ee3d0b1209c5a2

          • C:\Windows\SysWOW64\installd.exe
            Filesize

            108KB

            MD5

            8bf21ddac3928989f7071e1af37958e6

            SHA1

            e1a4a8fb56fe7572159eea3884dca3e8933d3587

            SHA256

            3419e045185b4c15397d87f7b5b2900642787baf7a548414387eb1f3b62010ee

            SHA512

            bfafcf10afdcb58b9c0876721c3d8c0713390460d7df926f869fe815f46b6b465e1adcdd08649b58c1d3e96b2491ab88b7bf2a112e8a799bdae7bf6c0fea8a67

          • C:\Windows\SysWOW64\installd.exe
            Filesize

            108KB

            MD5

            8bf21ddac3928989f7071e1af37958e6

            SHA1

            e1a4a8fb56fe7572159eea3884dca3e8933d3587

            SHA256

            3419e045185b4c15397d87f7b5b2900642787baf7a548414387eb1f3b62010ee

            SHA512

            bfafcf10afdcb58b9c0876721c3d8c0713390460d7df926f869fe815f46b6b465e1adcdd08649b58c1d3e96b2491ab88b7bf2a112e8a799bdae7bf6c0fea8a67

          • C:\Windows\SysWOW64\nethtsrv.exe
            Filesize

            176KB

            MD5

            c817ac95237d4c8dbc06bb3ccc5814b8

            SHA1

            afb6730f3c3ab9232ae6db6137b93ad182f5992e

            SHA256

            03c588aaa82aa5569f964c089b4b8b9a1f816646dff137e6de96dc049f466deb

            SHA512

            d60905cebfa8a3a8d8114bed05f110ddd27419831f32c3d6d8be0b6216f2c45644a1d109266c7f2b9a44d60caa38d00b9b24b8082163b452344f0ebf6cd9f5d4

          • C:\Windows\SysWOW64\nethtsrv.exe
            Filesize

            176KB

            MD5

            c817ac95237d4c8dbc06bb3ccc5814b8

            SHA1

            afb6730f3c3ab9232ae6db6137b93ad182f5992e

            SHA256

            03c588aaa82aa5569f964c089b4b8b9a1f816646dff137e6de96dc049f466deb

            SHA512

            d60905cebfa8a3a8d8114bed05f110ddd27419831f32c3d6d8be0b6216f2c45644a1d109266c7f2b9a44d60caa38d00b9b24b8082163b452344f0ebf6cd9f5d4

          • C:\Windows\SysWOW64\nethtsrv.exe
            Filesize

            176KB

            MD5

            c817ac95237d4c8dbc06bb3ccc5814b8

            SHA1

            afb6730f3c3ab9232ae6db6137b93ad182f5992e

            SHA256

            03c588aaa82aa5569f964c089b4b8b9a1f816646dff137e6de96dc049f466deb

            SHA512

            d60905cebfa8a3a8d8114bed05f110ddd27419831f32c3d6d8be0b6216f2c45644a1d109266c7f2b9a44d60caa38d00b9b24b8082163b452344f0ebf6cd9f5d4

          • C:\Windows\SysWOW64\netupdsrv.exe
            Filesize

            158KB

            MD5

            ebc7f9c2f91861cea7997c8dd039b0f6

            SHA1

            7d622ff9d9a2cab8473c562e393cad2ceb170eda

            SHA256

            44697ed674bce9eb90b9f298e7b3d97c369b3586d3c09ba46c9e3e098933b530

            SHA512

            0b8541db1844b01327ba56cf345b0c203886d9d0d47a45b6676a6df8a6dc1df9209a56228a8bf0fdc694929d989160b87ce74b44b5c220f66d7abb16cc98c758

          • C:\Windows\SysWOW64\netupdsrv.exe
            Filesize

            158KB

            MD5

            ebc7f9c2f91861cea7997c8dd039b0f6

            SHA1

            7d622ff9d9a2cab8473c562e393cad2ceb170eda

            SHA256

            44697ed674bce9eb90b9f298e7b3d97c369b3586d3c09ba46c9e3e098933b530

            SHA512

            0b8541db1844b01327ba56cf345b0c203886d9d0d47a45b6676a6df8a6dc1df9209a56228a8bf0fdc694929d989160b87ce74b44b5c220f66d7abb16cc98c758

          • C:\Windows\SysWOW64\netupdsrv.exe
            Filesize

            158KB

            MD5

            ebc7f9c2f91861cea7997c8dd039b0f6

            SHA1

            7d622ff9d9a2cab8473c562e393cad2ceb170eda

            SHA256

            44697ed674bce9eb90b9f298e7b3d97c369b3586d3c09ba46c9e3e098933b530

            SHA512

            0b8541db1844b01327ba56cf345b0c203886d9d0d47a45b6676a6df8a6dc1df9209a56228a8bf0fdc694929d989160b87ce74b44b5c220f66d7abb16cc98c758

          • memory/956-152-0x0000000000000000-mapping.dmp
          • memory/1356-157-0x0000000000000000-mapping.dmp
          • memory/1912-136-0x0000000000000000-mapping.dmp
          • memory/2640-158-0x0000000000000000-mapping.dmp
          • memory/3536-146-0x0000000000000000-mapping.dmp
          • memory/3564-141-0x0000000000000000-mapping.dmp
          • memory/3660-165-0x0000000000000000-mapping.dmp
          • memory/4432-139-0x0000000000000000-mapping.dmp
          • memory/4524-135-0x0000000000000000-mapping.dmp
          • memory/4596-140-0x0000000000000000-mapping.dmp
          • memory/4676-164-0x0000000000000000-mapping.dmp