Analysis

  • max time kernel
    133s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2022 00:01

General

  • Target

    6d35aabaea7329813f91326e01e14e9231832520e30624d8e31c128a50db4e27.exe

  • Size

    602KB

  • MD5

    61d505e6c9f15025c9a73298eef4e551

  • SHA1

    beade2c75eefbc139f6f572fa344e91b8f3c9036

  • SHA256

    6d35aabaea7329813f91326e01e14e9231832520e30624d8e31c128a50db4e27

  • SHA512

    0dc8db2496c64e6a639e4d244b1cdd48b3302f0b9cca207b2bb90609c126995754e9033a6b84a27584c44a88790ae04772d9f2a68548ff30801fa5c49166d2bb

  • SSDEEP

    12288:cIny5DYTjNH0Vxq6BbiQXcDbGqH3CdB6KEVYuOX/kslW:6UTj0xFCHSdkKELOF

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\6d35aabaea7329813f91326e01e14e9231832520e30624d8e31c128a50db4e27.exe
    "C:\Users\Admin\AppData\Local\Temp\6d35aabaea7329813f91326e01e14e9231832520e30624d8e31c128a50db4e27.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:5028
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4340
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:1816
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2992
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:3236
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:3620
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4260
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:1104
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1980
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:2616
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4400
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:2968
          • 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:3828
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:2828

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsi6B24.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsi6B24.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsi6B24.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsi6B24.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsi6B24.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsi6B24.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsi6B24.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsi6B24.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsi6B24.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            f7cb85a7db7fbd5336b1cfb167ba4580

            SHA1

            897b7616bb106880098c17df62de43503f703591

            SHA256

            6088f362ad770a369098ccfefd5c164775dfacb5d90a101a3790c9fe1cb6a99d

            SHA512

            43316d5ec2b16efec758df8c092da8a44542c7506bf47f2b75a6c18317cf37d799e2f20f2ddb5bca25938857fa7717f9b6c0fba25d5ad21ce067dae7744da215

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            f7cb85a7db7fbd5336b1cfb167ba4580

            SHA1

            897b7616bb106880098c17df62de43503f703591

            SHA256

            6088f362ad770a369098ccfefd5c164775dfacb5d90a101a3790c9fe1cb6a99d

            SHA512

            43316d5ec2b16efec758df8c092da8a44542c7506bf47f2b75a6c18317cf37d799e2f20f2ddb5bca25938857fa7717f9b6c0fba25d5ad21ce067dae7744da215

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            f7cb85a7db7fbd5336b1cfb167ba4580

            SHA1

            897b7616bb106880098c17df62de43503f703591

            SHA256

            6088f362ad770a369098ccfefd5c164775dfacb5d90a101a3790c9fe1cb6a99d

            SHA512

            43316d5ec2b16efec758df8c092da8a44542c7506bf47f2b75a6c18317cf37d799e2f20f2ddb5bca25938857fa7717f9b6c0fba25d5ad21ce067dae7744da215

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            f7cb85a7db7fbd5336b1cfb167ba4580

            SHA1

            897b7616bb106880098c17df62de43503f703591

            SHA256

            6088f362ad770a369098ccfefd5c164775dfacb5d90a101a3790c9fe1cb6a99d

            SHA512

            43316d5ec2b16efec758df8c092da8a44542c7506bf47f2b75a6c18317cf37d799e2f20f2ddb5bca25938857fa7717f9b6c0fba25d5ad21ce067dae7744da215

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            a6cddd07e25eda1930262ffade7b9393

            SHA1

            cb542c9d9e57ae98f7a9b014698d3c4a8626f5fa

            SHA256

            f9b15f2d2f1ff4da8570ee4cdfc8b1045fc6e4141c4b98b37a0e6722f716b9e9

            SHA512

            11ca48a6f88bd9f8bf7d8cbd90503cf7ac0c838dd1605d8adc029f1554e079117827f3664542e9289bc29bd19be4580942643747b688a0f5a94d7ade8ca1d9da

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            a6cddd07e25eda1930262ffade7b9393

            SHA1

            cb542c9d9e57ae98f7a9b014698d3c4a8626f5fa

            SHA256

            f9b15f2d2f1ff4da8570ee4cdfc8b1045fc6e4141c4b98b37a0e6722f716b9e9

            SHA512

            11ca48a6f88bd9f8bf7d8cbd90503cf7ac0c838dd1605d8adc029f1554e079117827f3664542e9289bc29bd19be4580942643747b688a0f5a94d7ade8ca1d9da

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            a6cddd07e25eda1930262ffade7b9393

            SHA1

            cb542c9d9e57ae98f7a9b014698d3c4a8626f5fa

            SHA256

            f9b15f2d2f1ff4da8570ee4cdfc8b1045fc6e4141c4b98b37a0e6722f716b9e9

            SHA512

            11ca48a6f88bd9f8bf7d8cbd90503cf7ac0c838dd1605d8adc029f1554e079117827f3664542e9289bc29bd19be4580942643747b688a0f5a94d7ade8ca1d9da

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            aeddee1966725d321dfd754bd3222f3a

            SHA1

            bee5e43bff36f93af265f588ed40d96e7cb7f95d

            SHA256

            a607a4c1c82e6bd228ff921e148dc5a4c4f0fd6646448e22c3ad6fd9d7a51f8b

            SHA512

            931418452edcabeb3a452d636e477829b592d447426fdc89e750e6183586dc63b40e59286fe2c9734b5ff66cd785c8c3705991d276a119383652168c14a0258b

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            aeddee1966725d321dfd754bd3222f3a

            SHA1

            bee5e43bff36f93af265f588ed40d96e7cb7f95d

            SHA256

            a607a4c1c82e6bd228ff921e148dc5a4c4f0fd6646448e22c3ad6fd9d7a51f8b

            SHA512

            931418452edcabeb3a452d636e477829b592d447426fdc89e750e6183586dc63b40e59286fe2c9734b5ff66cd785c8c3705991d276a119383652168c14a0258b

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            a8b444fd008c227670848e5a02a9038b

            SHA1

            82ea226d81bf5f48d87ccaf7416d0ee1e5685c51

            SHA256

            7c440cb072eecf9b1be60593a739bb44a1dc95f57361f35553d7ea730e885ee3

            SHA512

            76887cb7128ed5b1f100d5c32c7c46fe371c7c9eeb2f460482ebb490e7ea99ce40b1c78c74132eb947fda2dc1ac44c5a3c86e3321fd6f49b789aa4cca59034d3

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            a8b444fd008c227670848e5a02a9038b

            SHA1

            82ea226d81bf5f48d87ccaf7416d0ee1e5685c51

            SHA256

            7c440cb072eecf9b1be60593a739bb44a1dc95f57361f35553d7ea730e885ee3

            SHA512

            76887cb7128ed5b1f100d5c32c7c46fe371c7c9eeb2f460482ebb490e7ea99ce40b1c78c74132eb947fda2dc1ac44c5a3c86e3321fd6f49b789aa4cca59034d3

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            a8b444fd008c227670848e5a02a9038b

            SHA1

            82ea226d81bf5f48d87ccaf7416d0ee1e5685c51

            SHA256

            7c440cb072eecf9b1be60593a739bb44a1dc95f57361f35553d7ea730e885ee3

            SHA512

            76887cb7128ed5b1f100d5c32c7c46fe371c7c9eeb2f460482ebb490e7ea99ce40b1c78c74132eb947fda2dc1ac44c5a3c86e3321fd6f49b789aa4cca59034d3

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            d8b4c43c192e840b80352ab16733f67d

            SHA1

            26b9c70664816cb9fd755a82b70e11291c45a1bb

            SHA256

            0b069de144038a9f325a4a73f45a5dfced3b48a9758d4cd95886937991fe7217

            SHA512

            2045a3c592499004765e83a4cb223db6acf4637a09ebd978a1330e52aa881d6196b0c22a1da3fda328be6a4628a5587070a9d7f190f273050c54304095544adb

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            d8b4c43c192e840b80352ab16733f67d

            SHA1

            26b9c70664816cb9fd755a82b70e11291c45a1bb

            SHA256

            0b069de144038a9f325a4a73f45a5dfced3b48a9758d4cd95886937991fe7217

            SHA512

            2045a3c592499004765e83a4cb223db6acf4637a09ebd978a1330e52aa881d6196b0c22a1da3fda328be6a4628a5587070a9d7f190f273050c54304095544adb

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            d8b4c43c192e840b80352ab16733f67d

            SHA1

            26b9c70664816cb9fd755a82b70e11291c45a1bb

            SHA256

            0b069de144038a9f325a4a73f45a5dfced3b48a9758d4cd95886937991fe7217

            SHA512

            2045a3c592499004765e83a4cb223db6acf4637a09ebd978a1330e52aa881d6196b0c22a1da3fda328be6a4628a5587070a9d7f190f273050c54304095544adb

          • memory/5028-146-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/5028-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB