Analysis

  • max time kernel
    190s
  • max time network
    203s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/11/2022, 00:08

General

  • Target

    10c4991bc31553b729b0af24ece2a03145c4fcade286df3fa494f45be99bb29d.exe

  • Size

    601KB

  • MD5

    adfbff0fe30dc8474f4a857ae2e65da8

  • SHA1

    5aff50bedf1d348b39ad2310f55a053fa709cece

  • SHA256

    10c4991bc31553b729b0af24ece2a03145c4fcade286df3fa494f45be99bb29d

  • SHA512

    587bcc6cfdeae12debd6494e1662c0d88b6a363451b26a54e796f4aac8d60e86adcbfc9a1fa9b53b26ff80a990732062a0c6b8cee593de29bc00e34a11771544

  • SSDEEP

    12288:JIny5DYTtrOi7IvqQPNNALuQySD5AWgARvfTB1/phOrVuLaqAYBsY:lUTtrOi6LOySViAFpwZrqhS

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\10c4991bc31553b729b0af24ece2a03145c4fcade286df3fa494f45be99bb29d.exe
    "C:\Users\Admin\AppData\Local\Temp\10c4991bc31553b729b0af24ece2a03145c4fcade286df3fa494f45be99bb29d.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:3728
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4472
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:2216
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:732
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:2364
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1976
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4908
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:3276
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1168
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:1780
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2884
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:4808
          • 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:3360
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:4948

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nscA5A8.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nscA5A8.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscA5A8.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscA5A8.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscA5A8.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscA5A8.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscA5A8.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscA5A8.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nscA5A8.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            d07cba989ccd755359a9b0386f9594dc

            SHA1

            c80167c40a9d0102753e975cca408f5328256f4f

            SHA256

            5f3233d476e2d15c70e53211951f03a7afd7607dbca282c8eefaf12f03848bd8

            SHA512

            6e285bf6658c45eb325e656ddbc6bf18810d0eb03b0368999b90611b2cc20140bbf8a6676f7962318b582d4ab73be884f5ec3aff8dadd79846f5d8abcf947310

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            d07cba989ccd755359a9b0386f9594dc

            SHA1

            c80167c40a9d0102753e975cca408f5328256f4f

            SHA256

            5f3233d476e2d15c70e53211951f03a7afd7607dbca282c8eefaf12f03848bd8

            SHA512

            6e285bf6658c45eb325e656ddbc6bf18810d0eb03b0368999b90611b2cc20140bbf8a6676f7962318b582d4ab73be884f5ec3aff8dadd79846f5d8abcf947310

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            d07cba989ccd755359a9b0386f9594dc

            SHA1

            c80167c40a9d0102753e975cca408f5328256f4f

            SHA256

            5f3233d476e2d15c70e53211951f03a7afd7607dbca282c8eefaf12f03848bd8

            SHA512

            6e285bf6658c45eb325e656ddbc6bf18810d0eb03b0368999b90611b2cc20140bbf8a6676f7962318b582d4ab73be884f5ec3aff8dadd79846f5d8abcf947310

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            d07cba989ccd755359a9b0386f9594dc

            SHA1

            c80167c40a9d0102753e975cca408f5328256f4f

            SHA256

            5f3233d476e2d15c70e53211951f03a7afd7607dbca282c8eefaf12f03848bd8

            SHA512

            6e285bf6658c45eb325e656ddbc6bf18810d0eb03b0368999b90611b2cc20140bbf8a6676f7962318b582d4ab73be884f5ec3aff8dadd79846f5d8abcf947310

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            8678e49515e256f633cc102f27c9eb34

            SHA1

            63b353cc09be6c16986f691ad2463d0dc5fb2c30

            SHA256

            9e8b88329a189ee2d4775b86937c73f63c0726b4626fa3c3b4b124e3e8dbd38e

            SHA512

            4e98e890dc316df6eed73bfc19b18aa106650908439af96a04e1c317dba6b82860222b9e01499ede85a6f8c3aa25cd02dc42a1b0c1f38542e71f6dfb3b8ca2ce

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            8678e49515e256f633cc102f27c9eb34

            SHA1

            63b353cc09be6c16986f691ad2463d0dc5fb2c30

            SHA256

            9e8b88329a189ee2d4775b86937c73f63c0726b4626fa3c3b4b124e3e8dbd38e

            SHA512

            4e98e890dc316df6eed73bfc19b18aa106650908439af96a04e1c317dba6b82860222b9e01499ede85a6f8c3aa25cd02dc42a1b0c1f38542e71f6dfb3b8ca2ce

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            8678e49515e256f633cc102f27c9eb34

            SHA1

            63b353cc09be6c16986f691ad2463d0dc5fb2c30

            SHA256

            9e8b88329a189ee2d4775b86937c73f63c0726b4626fa3c3b4b124e3e8dbd38e

            SHA512

            4e98e890dc316df6eed73bfc19b18aa106650908439af96a04e1c317dba6b82860222b9e01499ede85a6f8c3aa25cd02dc42a1b0c1f38542e71f6dfb3b8ca2ce

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            abe8457b5e811a85a8fe8d1bbf0bc083

            SHA1

            017c2dd3891e47798840f5a1b50f510458b85b70

            SHA256

            17b8395d5e1f59a23bf8d90a6c6c1361aabb660f86c555b3a64fa6c51a559132

            SHA512

            0773257c15820bd00c395cc942a47c404da8009aa1ca882a5fb9d09c321f818c5c25e8fff6332d6e642c11feb9d87e80a34d38d89aa7b6f3d65f62fb1530bff0

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            abe8457b5e811a85a8fe8d1bbf0bc083

            SHA1

            017c2dd3891e47798840f5a1b50f510458b85b70

            SHA256

            17b8395d5e1f59a23bf8d90a6c6c1361aabb660f86c555b3a64fa6c51a559132

            SHA512

            0773257c15820bd00c395cc942a47c404da8009aa1ca882a5fb9d09c321f818c5c25e8fff6332d6e642c11feb9d87e80a34d38d89aa7b6f3d65f62fb1530bff0

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            330853afd7b067a6a001386047624085

            SHA1

            972581c59268f73fc3adee9b773b042300c42101

            SHA256

            abe009542da56b316e18162d55e3fe1bb90f4b5b6bbe7a3e41a21c07f987b7f5

            SHA512

            95cd5dff91f0fdad63be1292c47b8615fcc666f10ca90ff78ba37b07a32f90ee332a44eb40001b7ca06819eee793f8e666d51693dc16931be853143cb5b96e70

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            330853afd7b067a6a001386047624085

            SHA1

            972581c59268f73fc3adee9b773b042300c42101

            SHA256

            abe009542da56b316e18162d55e3fe1bb90f4b5b6bbe7a3e41a21c07f987b7f5

            SHA512

            95cd5dff91f0fdad63be1292c47b8615fcc666f10ca90ff78ba37b07a32f90ee332a44eb40001b7ca06819eee793f8e666d51693dc16931be853143cb5b96e70

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            330853afd7b067a6a001386047624085

            SHA1

            972581c59268f73fc3adee9b773b042300c42101

            SHA256

            abe009542da56b316e18162d55e3fe1bb90f4b5b6bbe7a3e41a21c07f987b7f5

            SHA512

            95cd5dff91f0fdad63be1292c47b8615fcc666f10ca90ff78ba37b07a32f90ee332a44eb40001b7ca06819eee793f8e666d51693dc16931be853143cb5b96e70

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            98bb91993fd56569697efb5c99ace8e0

            SHA1

            baa34241ae5eda5347245523a1ae93ce71ac92dc

            SHA256

            648b2f38db097d38a9222b56be66e1e68b97cd6cb0968d41017409a97c78bf9c

            SHA512

            6269d144e5baffe7a3794caebd68733ea9308991bdb3e0bec4c0e9a07d3c4827dd16cc84ddc4cfba02ae0648a21f0293a77914de4903150c929e262cd0061060

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            98bb91993fd56569697efb5c99ace8e0

            SHA1

            baa34241ae5eda5347245523a1ae93ce71ac92dc

            SHA256

            648b2f38db097d38a9222b56be66e1e68b97cd6cb0968d41017409a97c78bf9c

            SHA512

            6269d144e5baffe7a3794caebd68733ea9308991bdb3e0bec4c0e9a07d3c4827dd16cc84ddc4cfba02ae0648a21f0293a77914de4903150c929e262cd0061060

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            98bb91993fd56569697efb5c99ace8e0

            SHA1

            baa34241ae5eda5347245523a1ae93ce71ac92dc

            SHA256

            648b2f38db097d38a9222b56be66e1e68b97cd6cb0968d41017409a97c78bf9c

            SHA512

            6269d144e5baffe7a3794caebd68733ea9308991bdb3e0bec4c0e9a07d3c4827dd16cc84ddc4cfba02ae0648a21f0293a77914de4903150c929e262cd0061060

          • memory/3728-132-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/3728-138-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/3728-169-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB