Analysis

  • max time kernel
    155s
  • max time network
    181s
  • 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

    5ee5612b6325f0cc7a5b3f77396db6fd164a70044faa8504b55bae284026cb3a.exe

  • Size

    602KB

  • MD5

    b0b58db36fda7fb09536c3c69540243b

  • SHA1

    74fbe2a80ab5355efe33c831f633b8062f5cd991

  • SHA256

    5ee5612b6325f0cc7a5b3f77396db6fd164a70044faa8504b55bae284026cb3a

  • SHA512

    3c025413e4b5f08d9d51bd697e0a73e2862830aa82937201d7a37decd989c3de00c1334b7f2377705228918de6595441c3e6709d211986a21b2a84b867ea9994

  • SSDEEP

    12288:aIny5DYTWgz9ICs30KIBW8rgdySn+8rlp1B8aCUoqQt66lZQ:8UTWgJjW8rgwS+O1Oa866lZ

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\5ee5612b6325f0cc7a5b3f77396db6fd164a70044faa8504b55bae284026cb3a.exe
    "C:\Users\Admin\AppData\Local\Temp\5ee5612b6325f0cc7a5b3f77396db6fd164a70044faa8504b55bae284026cb3a.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:4896
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4084
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:4148
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1400
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:1512
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4032
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4600
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:668
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:916
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:1468
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3156
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:3288
          • 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:3376

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsjF7B5.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsjF7B5.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsjF7B5.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsjF7B5.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsjF7B5.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsjF7B5.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsjF7B5.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsjF7B5.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsjF7B5.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            3620bdf52a282b2b8fd63651ed190476

            SHA1

            8f17b2a1ea5174af61bbf7995c716e3a5763bb05

            SHA256

            03d2af13fc4ddb48fc6f0880bb37c275ea5027a6b9207fdead11cd0b18422ac4

            SHA512

            523f612dbd259983be6d3c97b581971233cb1bce5aa1f6355f985bb6e9bbec96b9a8d25c168a7f6c236dceed3f4bcb3417b26032dbe5a3236591a7c75d0ebb42

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            3620bdf52a282b2b8fd63651ed190476

            SHA1

            8f17b2a1ea5174af61bbf7995c716e3a5763bb05

            SHA256

            03d2af13fc4ddb48fc6f0880bb37c275ea5027a6b9207fdead11cd0b18422ac4

            SHA512

            523f612dbd259983be6d3c97b581971233cb1bce5aa1f6355f985bb6e9bbec96b9a8d25c168a7f6c236dceed3f4bcb3417b26032dbe5a3236591a7c75d0ebb42

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            3620bdf52a282b2b8fd63651ed190476

            SHA1

            8f17b2a1ea5174af61bbf7995c716e3a5763bb05

            SHA256

            03d2af13fc4ddb48fc6f0880bb37c275ea5027a6b9207fdead11cd0b18422ac4

            SHA512

            523f612dbd259983be6d3c97b581971233cb1bce5aa1f6355f985bb6e9bbec96b9a8d25c168a7f6c236dceed3f4bcb3417b26032dbe5a3236591a7c75d0ebb42

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            3620bdf52a282b2b8fd63651ed190476

            SHA1

            8f17b2a1ea5174af61bbf7995c716e3a5763bb05

            SHA256

            03d2af13fc4ddb48fc6f0880bb37c275ea5027a6b9207fdead11cd0b18422ac4

            SHA512

            523f612dbd259983be6d3c97b581971233cb1bce5aa1f6355f985bb6e9bbec96b9a8d25c168a7f6c236dceed3f4bcb3417b26032dbe5a3236591a7c75d0ebb42

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            db2b89f1e244142c1d29ad4129e2ec81

            SHA1

            5611f40ea6dec5a11e7b7d512a085fdaff384f64

            SHA256

            6a64ac5d392dca1d7409f8dffa6abfbf198e36337f712dff890da4c8b4192567

            SHA512

            0b9f29284900b7a0e059864d8c226674c1c690e205c3ac34cdd3cc25ab4f84172e9dc58c74e9c696566636dad5454c2973ad4ea3eb03d3f9c51d71a9a3385e98

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            db2b89f1e244142c1d29ad4129e2ec81

            SHA1

            5611f40ea6dec5a11e7b7d512a085fdaff384f64

            SHA256

            6a64ac5d392dca1d7409f8dffa6abfbf198e36337f712dff890da4c8b4192567

            SHA512

            0b9f29284900b7a0e059864d8c226674c1c690e205c3ac34cdd3cc25ab4f84172e9dc58c74e9c696566636dad5454c2973ad4ea3eb03d3f9c51d71a9a3385e98

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            db2b89f1e244142c1d29ad4129e2ec81

            SHA1

            5611f40ea6dec5a11e7b7d512a085fdaff384f64

            SHA256

            6a64ac5d392dca1d7409f8dffa6abfbf198e36337f712dff890da4c8b4192567

            SHA512

            0b9f29284900b7a0e059864d8c226674c1c690e205c3ac34cdd3cc25ab4f84172e9dc58c74e9c696566636dad5454c2973ad4ea3eb03d3f9c51d71a9a3385e98

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            7d1b1381a3f4fdb7825c8ba5fd8804d4

            SHA1

            3c10cd89e7bbc052957f3109d66163afb6265663

            SHA256

            83578d8d1bd0e24b7e26943854c1933665abf87d2f86715d16cadf8cb3cf0cb5

            SHA512

            222b43cf48874e4ef7a8c1c7115bc306cbe892765b93fd9138685337dc94f54df32537f5010a4e5c87dc7a478d7f517010ccb3bf032825b4f645f2003eb406ae

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            7d1b1381a3f4fdb7825c8ba5fd8804d4

            SHA1

            3c10cd89e7bbc052957f3109d66163afb6265663

            SHA256

            83578d8d1bd0e24b7e26943854c1933665abf87d2f86715d16cadf8cb3cf0cb5

            SHA512

            222b43cf48874e4ef7a8c1c7115bc306cbe892765b93fd9138685337dc94f54df32537f5010a4e5c87dc7a478d7f517010ccb3bf032825b4f645f2003eb406ae

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            7ef14a27f45224c1a27b14464fe9686e

            SHA1

            d8d33d41dd7cb24fe0ad748911bd1cdb5652a09e

            SHA256

            bcbdba53ea194a881fbc1b9d7ad7eabf96b16f2ce64b6e665b74cd488db423fc

            SHA512

            1899374b27d46df659825dee88db72f393049b8ddfae14c051044c98d6b06813ee022a85218a1830dd39fd1380fd29965a5638f43a3d4bf25187c71f2c7d4949

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            7ef14a27f45224c1a27b14464fe9686e

            SHA1

            d8d33d41dd7cb24fe0ad748911bd1cdb5652a09e

            SHA256

            bcbdba53ea194a881fbc1b9d7ad7eabf96b16f2ce64b6e665b74cd488db423fc

            SHA512

            1899374b27d46df659825dee88db72f393049b8ddfae14c051044c98d6b06813ee022a85218a1830dd39fd1380fd29965a5638f43a3d4bf25187c71f2c7d4949

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            7ef14a27f45224c1a27b14464fe9686e

            SHA1

            d8d33d41dd7cb24fe0ad748911bd1cdb5652a09e

            SHA256

            bcbdba53ea194a881fbc1b9d7ad7eabf96b16f2ce64b6e665b74cd488db423fc

            SHA512

            1899374b27d46df659825dee88db72f393049b8ddfae14c051044c98d6b06813ee022a85218a1830dd39fd1380fd29965a5638f43a3d4bf25187c71f2c7d4949

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            38897b363f82f2b9985554d637856731

            SHA1

            139ea89d1efbd70d2d7b07e9e34378228970fb47

            SHA256

            0c9152f68ceda657f91284390a051492cef634d4c8c171bdb3f1d80c28839d7c

            SHA512

            03ae3c7758f795f2bea0e1c5a428de74ecaa7fcf9657a5dea677e04ff3a48119e0b8cf6f246be84d5ca9cf475001f1df9be07a53cff245fd2ed43ffce128027b

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            38897b363f82f2b9985554d637856731

            SHA1

            139ea89d1efbd70d2d7b07e9e34378228970fb47

            SHA256

            0c9152f68ceda657f91284390a051492cef634d4c8c171bdb3f1d80c28839d7c

            SHA512

            03ae3c7758f795f2bea0e1c5a428de74ecaa7fcf9657a5dea677e04ff3a48119e0b8cf6f246be84d5ca9cf475001f1df9be07a53cff245fd2ed43ffce128027b

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            38897b363f82f2b9985554d637856731

            SHA1

            139ea89d1efbd70d2d7b07e9e34378228970fb47

            SHA256

            0c9152f68ceda657f91284390a051492cef634d4c8c171bdb3f1d80c28839d7c

            SHA512

            03ae3c7758f795f2bea0e1c5a428de74ecaa7fcf9657a5dea677e04ff3a48119e0b8cf6f246be84d5ca9cf475001f1df9be07a53cff245fd2ed43ffce128027b

          • memory/668-153-0x0000000000000000-mapping.dmp

          • memory/916-159-0x0000000000000000-mapping.dmp

          • memory/1400-140-0x0000000000000000-mapping.dmp

          • memory/1468-160-0x0000000000000000-mapping.dmp

          • memory/1512-141-0x0000000000000000-mapping.dmp

          • memory/3156-166-0x0000000000000000-mapping.dmp

          • memory/3288-167-0x0000000000000000-mapping.dmp

          • memory/4032-142-0x0000000000000000-mapping.dmp

          • memory/4084-136-0x0000000000000000-mapping.dmp

          • memory/4148-137-0x0000000000000000-mapping.dmp

          • memory/4600-147-0x0000000000000000-mapping.dmp

          • memory/4896-158-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4896-132-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4896-169-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB