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Analysis

  • max time kernel
    190s
  • max time network
    234s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/11/2022, 04:49

General

  • Target

    34a195c945f43c174337dc0587fcfcd189a6af5b9521c72023c3966c0cb73313.exe

  • Size

    598KB

  • MD5

    ad0c4a05cb69886a8fbddfbfb4066dc5

  • SHA1

    3bbbed8b98dc25cec371c8d0b38c85871a15387a

  • SHA256

    34a195c945f43c174337dc0587fcfcd189a6af5b9521c72023c3966c0cb73313

  • SHA512

    ba3ecabb8bf8b2e98f3629ad51a0aa1953df7ab6c6560760946996630842c507bc44e20213d975ee262f948122badbab68b5d0f0b4d32d3136d3433bd2caaed2

  • SSDEEP

    12288:WIny5DYTOELPQJv0KeMKL20T2O/ibyFmvcG/SFp:YUT7ua2hodFbG/Op

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\34a195c945f43c174337dc0587fcfcd189a6af5b9521c72023c3966c0cb73313.exe
    "C:\Users\Admin\AppData\Local\Temp\34a195c945f43c174337dc0587fcfcd189a6af5b9521c72023c3966c0cb73313.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:2132
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4160
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:4756
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3640
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:4200
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4332
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:3456
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:2188
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3544
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:4480
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:5072
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:2960
          • 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:1976
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:3404

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsqC824.tmp\System.dll

            Filesize

            11KB

            MD5

            960a5c48e25cf2bca332e74e11d825c9

            SHA1

            da35c6816ace5daf4c6c1d57b93b09a82ecdc876

            SHA256

            484f8e9f194ed9016274ef3672b2c52ed5f574fb71d3884edf3c222b758a75a2

            SHA512

            cc450179e2d0d56aee2ccf8163d3882978c4e9c1aa3d3a95875fe9ba9831e07ddfd377111dc67f801fa53b6f468a418f086f1de7c71e0a5b634e1ae2a67cd3da

          • C:\Users\Admin\AppData\Local\Temp\nsqC824.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            51e63a9c5d6d230ef1c421b2eccd45dc

            SHA1

            c499cdad5c613d71ed3f7e93360f1bbc5748c45d

            SHA256

            cd8496a3802378391ec425dec424a14f5d30e242f192ec4eb022d767f9a2480f

            SHA512

            c23d713c3c834b3397c2a199490aed28f28d21f5781205c24df5e1e32365985c8a55be58f06979df09222740ffa51f4da764ebc3d912cd0c9d56ab6a33cab522

          • C:\Users\Admin\AppData\Local\Temp\nsqC824.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            51e63a9c5d6d230ef1c421b2eccd45dc

            SHA1

            c499cdad5c613d71ed3f7e93360f1bbc5748c45d

            SHA256

            cd8496a3802378391ec425dec424a14f5d30e242f192ec4eb022d767f9a2480f

            SHA512

            c23d713c3c834b3397c2a199490aed28f28d21f5781205c24df5e1e32365985c8a55be58f06979df09222740ffa51f4da764ebc3d912cd0c9d56ab6a33cab522

          • C:\Users\Admin\AppData\Local\Temp\nsqC824.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            51e63a9c5d6d230ef1c421b2eccd45dc

            SHA1

            c499cdad5c613d71ed3f7e93360f1bbc5748c45d

            SHA256

            cd8496a3802378391ec425dec424a14f5d30e242f192ec4eb022d767f9a2480f

            SHA512

            c23d713c3c834b3397c2a199490aed28f28d21f5781205c24df5e1e32365985c8a55be58f06979df09222740ffa51f4da764ebc3d912cd0c9d56ab6a33cab522

          • C:\Users\Admin\AppData\Local\Temp\nsqC824.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            51e63a9c5d6d230ef1c421b2eccd45dc

            SHA1

            c499cdad5c613d71ed3f7e93360f1bbc5748c45d

            SHA256

            cd8496a3802378391ec425dec424a14f5d30e242f192ec4eb022d767f9a2480f

            SHA512

            c23d713c3c834b3397c2a199490aed28f28d21f5781205c24df5e1e32365985c8a55be58f06979df09222740ffa51f4da764ebc3d912cd0c9d56ab6a33cab522

          • C:\Users\Admin\AppData\Local\Temp\nsqC824.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            51e63a9c5d6d230ef1c421b2eccd45dc

            SHA1

            c499cdad5c613d71ed3f7e93360f1bbc5748c45d

            SHA256

            cd8496a3802378391ec425dec424a14f5d30e242f192ec4eb022d767f9a2480f

            SHA512

            c23d713c3c834b3397c2a199490aed28f28d21f5781205c24df5e1e32365985c8a55be58f06979df09222740ffa51f4da764ebc3d912cd0c9d56ab6a33cab522

          • C:\Users\Admin\AppData\Local\Temp\nsqC824.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            51e63a9c5d6d230ef1c421b2eccd45dc

            SHA1

            c499cdad5c613d71ed3f7e93360f1bbc5748c45d

            SHA256

            cd8496a3802378391ec425dec424a14f5d30e242f192ec4eb022d767f9a2480f

            SHA512

            c23d713c3c834b3397c2a199490aed28f28d21f5781205c24df5e1e32365985c8a55be58f06979df09222740ffa51f4da764ebc3d912cd0c9d56ab6a33cab522

          • C:\Users\Admin\AppData\Local\Temp\nsqC824.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            51e63a9c5d6d230ef1c421b2eccd45dc

            SHA1

            c499cdad5c613d71ed3f7e93360f1bbc5748c45d

            SHA256

            cd8496a3802378391ec425dec424a14f5d30e242f192ec4eb022d767f9a2480f

            SHA512

            c23d713c3c834b3397c2a199490aed28f28d21f5781205c24df5e1e32365985c8a55be58f06979df09222740ffa51f4da764ebc3d912cd0c9d56ab6a33cab522

          • C:\Users\Admin\AppData\Local\Temp\nsqC824.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            51e63a9c5d6d230ef1c421b2eccd45dc

            SHA1

            c499cdad5c613d71ed3f7e93360f1bbc5748c45d

            SHA256

            cd8496a3802378391ec425dec424a14f5d30e242f192ec4eb022d767f9a2480f

            SHA512

            c23d713c3c834b3397c2a199490aed28f28d21f5781205c24df5e1e32365985c8a55be58f06979df09222740ffa51f4da764ebc3d912cd0c9d56ab6a33cab522

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            06724a77f00a57eaac3998462785a68d

            SHA1

            567dc346f5f6a79a92326c0c7d83f0ee6795e76b

            SHA256

            747cecb838a634026001b1bb7a0a9330817ecc55ec7198364933c8855e66cbc3

            SHA512

            2122880dc8d0a5ee28d0b26d432f95ee9513866dc15c197b30d1183864e0d3f1e2a2ca5f9330e4017ad667ce3caa19d95b0e8db7ac8c157bfcd52c3807bcd27d

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            06724a77f00a57eaac3998462785a68d

            SHA1

            567dc346f5f6a79a92326c0c7d83f0ee6795e76b

            SHA256

            747cecb838a634026001b1bb7a0a9330817ecc55ec7198364933c8855e66cbc3

            SHA512

            2122880dc8d0a5ee28d0b26d432f95ee9513866dc15c197b30d1183864e0d3f1e2a2ca5f9330e4017ad667ce3caa19d95b0e8db7ac8c157bfcd52c3807bcd27d

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            06724a77f00a57eaac3998462785a68d

            SHA1

            567dc346f5f6a79a92326c0c7d83f0ee6795e76b

            SHA256

            747cecb838a634026001b1bb7a0a9330817ecc55ec7198364933c8855e66cbc3

            SHA512

            2122880dc8d0a5ee28d0b26d432f95ee9513866dc15c197b30d1183864e0d3f1e2a2ca5f9330e4017ad667ce3caa19d95b0e8db7ac8c157bfcd52c3807bcd27d

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            06724a77f00a57eaac3998462785a68d

            SHA1

            567dc346f5f6a79a92326c0c7d83f0ee6795e76b

            SHA256

            747cecb838a634026001b1bb7a0a9330817ecc55ec7198364933c8855e66cbc3

            SHA512

            2122880dc8d0a5ee28d0b26d432f95ee9513866dc15c197b30d1183864e0d3f1e2a2ca5f9330e4017ad667ce3caa19d95b0e8db7ac8c157bfcd52c3807bcd27d

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            89f4b5fe9c58d3b59a45263d7088cd1d

            SHA1

            a339cf62e36a0286542c99fcfc4de745af6dad85

            SHA256

            3a3b41ce8f61c73409b5a3a91525d8b5a4db4bd0a1deefa8f537b0a129ae8d25

            SHA512

            a8df4ca9fb0e0839c50159b3aeb7a913996d38641b73d64629b6997e64d9a44b139afdd427fd68fc9cb8471d1a24da4f715cb7bf477e8431e16845e48cecde37

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            89f4b5fe9c58d3b59a45263d7088cd1d

            SHA1

            a339cf62e36a0286542c99fcfc4de745af6dad85

            SHA256

            3a3b41ce8f61c73409b5a3a91525d8b5a4db4bd0a1deefa8f537b0a129ae8d25

            SHA512

            a8df4ca9fb0e0839c50159b3aeb7a913996d38641b73d64629b6997e64d9a44b139afdd427fd68fc9cb8471d1a24da4f715cb7bf477e8431e16845e48cecde37

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            89f4b5fe9c58d3b59a45263d7088cd1d

            SHA1

            a339cf62e36a0286542c99fcfc4de745af6dad85

            SHA256

            3a3b41ce8f61c73409b5a3a91525d8b5a4db4bd0a1deefa8f537b0a129ae8d25

            SHA512

            a8df4ca9fb0e0839c50159b3aeb7a913996d38641b73d64629b6997e64d9a44b139afdd427fd68fc9cb8471d1a24da4f715cb7bf477e8431e16845e48cecde37

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            106KB

            MD5

            acce35ff5cf2daac7962ac58b2990f86

            SHA1

            eb5260fd3e3de8fee5a24a2e6f36c04465a1c02d

            SHA256

            73a3b84c1a1489b193f07445ba0c7341ffea4faf9af2ecbcd43d11566876c17d

            SHA512

            5505296cf4a9695ca270f9af32d43326d7692279ce4be5775f0bcf307c63a6caf2db14b620f13360bc2ce86a67ac5563989f3e32feb6efbd8746ab4c2b5f1745

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            106KB

            MD5

            acce35ff5cf2daac7962ac58b2990f86

            SHA1

            eb5260fd3e3de8fee5a24a2e6f36c04465a1c02d

            SHA256

            73a3b84c1a1489b193f07445ba0c7341ffea4faf9af2ecbcd43d11566876c17d

            SHA512

            5505296cf4a9695ca270f9af32d43326d7692279ce4be5775f0bcf307c63a6caf2db14b620f13360bc2ce86a67ac5563989f3e32feb6efbd8746ab4c2b5f1745

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            175KB

            MD5

            bcc8c547ee73dc45a24a83975c3c1163

            SHA1

            e5935b0ebe37af4448abaf70cdc6d28fcb81b18e

            SHA256

            944f8c1a537bdec5411732fe986b8a9cc5db3171df79df406b4ce7a5a8057c73

            SHA512

            512cd04b2d08b67930ec2e0eaa363ddbdf3fc0ad19e075c19bb2d25993b26ff822dc74909285c670076429fec7a8a811cc1000c8a7c0c7fce9df2315d777c03a

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            175KB

            MD5

            bcc8c547ee73dc45a24a83975c3c1163

            SHA1

            e5935b0ebe37af4448abaf70cdc6d28fcb81b18e

            SHA256

            944f8c1a537bdec5411732fe986b8a9cc5db3171df79df406b4ce7a5a8057c73

            SHA512

            512cd04b2d08b67930ec2e0eaa363ddbdf3fc0ad19e075c19bb2d25993b26ff822dc74909285c670076429fec7a8a811cc1000c8a7c0c7fce9df2315d777c03a

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            175KB

            MD5

            bcc8c547ee73dc45a24a83975c3c1163

            SHA1

            e5935b0ebe37af4448abaf70cdc6d28fcb81b18e

            SHA256

            944f8c1a537bdec5411732fe986b8a9cc5db3171df79df406b4ce7a5a8057c73

            SHA512

            512cd04b2d08b67930ec2e0eaa363ddbdf3fc0ad19e075c19bb2d25993b26ff822dc74909285c670076429fec7a8a811cc1000c8a7c0c7fce9df2315d777c03a

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            186ac9135a9a053842c8df7ceecbb053

            SHA1

            3c67ea24af7ddbb32662fbfbfe24f2af0f2cb2b1

            SHA256

            ea95191a08e29859c7f53619bfe7f5aa82e1dfaa8c78dedc8b330872fd69df68

            SHA512

            99befadd9ee4b882addbfb1c758d859081c1d7f52e7d916375229d8f16c52a6eddde18a21eb77068398dc7d24591633e89d0b012147260fcb727eae91f4e92dc

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            186ac9135a9a053842c8df7ceecbb053

            SHA1

            3c67ea24af7ddbb32662fbfbfe24f2af0f2cb2b1

            SHA256

            ea95191a08e29859c7f53619bfe7f5aa82e1dfaa8c78dedc8b330872fd69df68

            SHA512

            99befadd9ee4b882addbfb1c758d859081c1d7f52e7d916375229d8f16c52a6eddde18a21eb77068398dc7d24591633e89d0b012147260fcb727eae91f4e92dc

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            186ac9135a9a053842c8df7ceecbb053

            SHA1

            3c67ea24af7ddbb32662fbfbfe24f2af0f2cb2b1

            SHA256

            ea95191a08e29859c7f53619bfe7f5aa82e1dfaa8c78dedc8b330872fd69df68

            SHA512

            99befadd9ee4b882addbfb1c758d859081c1d7f52e7d916375229d8f16c52a6eddde18a21eb77068398dc7d24591633e89d0b012147260fcb727eae91f4e92dc

          • memory/2132-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/2132-132-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/2132-169-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB