Analysis

  • max time kernel
    44s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    25/11/2022, 13:34

General

  • Target

    e0b582a3a4246df2f78dcd091a33c4c3c82225f19e174789c8b400954916174d.exe

  • Size

    561KB

  • MD5

    031860ce2deda979147194025ae6c831

  • SHA1

    e7fa19037f2b55538c2d25ac20c657ac21f8f933

  • SHA256

    e0b582a3a4246df2f78dcd091a33c4c3c82225f19e174789c8b400954916174d

  • SHA512

    fe2f6dea1761d54fe5800e21afde444ab3cf89d021d0fb04b71bc30a4fca8a336418e3f456176496736da045c352568e40c168f481a01279ad7f0448a20b416c

  • SSDEEP

    12288:6PRYzebfl1oUt/Macwzc2LBfOMVIP7f3C5dAZp7wVT5wzgq:nzyf79IwzfLBGQMbC5dAZWVTQgq

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 13 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.

  • Runs net.exe
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e0b582a3a4246df2f78dcd091a33c4c3c82225f19e174789c8b400954916174d.exe
    "C:\Users\Admin\AppData\Local\Temp\e0b582a3a4246df2f78dcd091a33c4c3c82225f19e174789c8b400954916174d.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:2032
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1688
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:1552
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:976
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:1880
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:560
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1452
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:596
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2000
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:1912
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:860
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:1952
          • C:\Windows\SysWOW64\nethtsrv.exe
            C:\Windows\SysWOW64\nethtsrv.exe
            1⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of AdjustPrivilegeToken
            PID:1740
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:432

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            3cd0ec27ff02bc0d80454f6a5693eb01

            SHA1

            e7dba86a27e582244174b57856d6609e62fd0fbc

            SHA256

            8c3344e815a66f2f0f2a088b4efa01013c42e32a67cefe531513a415619ee847

            SHA512

            39ddfeff3b06ab76478a5e328720b90459419d73e30470bc016078451065cf8aff88dd887dcc2104d7da9ab31c1ededf14e7c780d2114592331efab93f77c10c

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            02f212fc80a17d2ccbc2f5d9d8f3c454

            SHA1

            36999267a8d269c67fbf87a0c4f6c87a6e8b3520

            SHA256

            0102200e8e25237e5865b85053f0cf2d641571875e4ad20374cb6cd4e4df7e14

            SHA512

            739954aa3219f259aa7435b630c742603b9a196f845961b1517c917f8a77b3fc8d3295669cdd5492cef477060114bbe3ea134090b786bb3c0840df801d51bc0e

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            ef418bd3447225914ddcf1653ec2582a

            SHA1

            bdd4e3e76bb4a2345835067eecd5b7c1965d64e8

            SHA256

            55cb5715cb8bda6d3e0b6adf31b13328709842de5b58b3f21f686df3bc07b75a

            SHA512

            76977d5be4b82beead3eca25b317a5df2854770584f3e541f0c4f53aaac9be88bde8fcd8950c099b4f17e6e79aefab2cb057d8375c96abcb9bb990fc9dc6e2c8

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            708c05db5802a1d963ae3760b1d616d4

            SHA1

            958aa25818f0d5f43f0965144a46621177000200

            SHA256

            ce34df2b7d6f93698190963c001939f80b3e777c4eeb4449190929da0222673e

            SHA512

            945e3ad8c24d287dff29956d7a7d05f8f3f3d52554395bb3f5a8fccd0d9f6b5245851aebd2b1615b0614930d6e1ffd985c8a4c6dad5c078fb4c5afb44e29f30c

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            708c05db5802a1d963ae3760b1d616d4

            SHA1

            958aa25818f0d5f43f0965144a46621177000200

            SHA256

            ce34df2b7d6f93698190963c001939f80b3e777c4eeb4449190929da0222673e

            SHA512

            945e3ad8c24d287dff29956d7a7d05f8f3f3d52554395bb3f5a8fccd0d9f6b5245851aebd2b1615b0614930d6e1ffd985c8a4c6dad5c078fb4c5afb44e29f30c

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            20a61a7cb9a947aa8c297a9182fdc1af

            SHA1

            86c7b496cfbd7123623d2a5e0d4dc44a406b0f06

            SHA256

            20c9280e05b71ee1e5da69f9e8bad227edef216bae81d85e86936d112128b8f4

            SHA512

            06dc046b95e8ed23e161d30b7b3bbc55d6823bc10bc84e3d4766d83178adfc45fb096a99dfaf6d5abb02467e1109cb3b9294e18bcbe8992ddde5b809a2fa3cbc

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            20a61a7cb9a947aa8c297a9182fdc1af

            SHA1

            86c7b496cfbd7123623d2a5e0d4dc44a406b0f06

            SHA256

            20c9280e05b71ee1e5da69f9e8bad227edef216bae81d85e86936d112128b8f4

            SHA512

            06dc046b95e8ed23e161d30b7b3bbc55d6823bc10bc84e3d4766d83178adfc45fb096a99dfaf6d5abb02467e1109cb3b9294e18bcbe8992ddde5b809a2fa3cbc

          • \Users\Admin\AppData\Local\Temp\nsoC34.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • \Users\Admin\AppData\Local\Temp\nsoC34.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nsoC34.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nsoC34.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nsoC34.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            3cd0ec27ff02bc0d80454f6a5693eb01

            SHA1

            e7dba86a27e582244174b57856d6609e62fd0fbc

            SHA256

            8c3344e815a66f2f0f2a088b4efa01013c42e32a67cefe531513a415619ee847

            SHA512

            39ddfeff3b06ab76478a5e328720b90459419d73e30470bc016078451065cf8aff88dd887dcc2104d7da9ab31c1ededf14e7c780d2114592331efab93f77c10c

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            3cd0ec27ff02bc0d80454f6a5693eb01

            SHA1

            e7dba86a27e582244174b57856d6609e62fd0fbc

            SHA256

            8c3344e815a66f2f0f2a088b4efa01013c42e32a67cefe531513a415619ee847

            SHA512

            39ddfeff3b06ab76478a5e328720b90459419d73e30470bc016078451065cf8aff88dd887dcc2104d7da9ab31c1ededf14e7c780d2114592331efab93f77c10c

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            3cd0ec27ff02bc0d80454f6a5693eb01

            SHA1

            e7dba86a27e582244174b57856d6609e62fd0fbc

            SHA256

            8c3344e815a66f2f0f2a088b4efa01013c42e32a67cefe531513a415619ee847

            SHA512

            39ddfeff3b06ab76478a5e328720b90459419d73e30470bc016078451065cf8aff88dd887dcc2104d7da9ab31c1ededf14e7c780d2114592331efab93f77c10c

          • \Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            02f212fc80a17d2ccbc2f5d9d8f3c454

            SHA1

            36999267a8d269c67fbf87a0c4f6c87a6e8b3520

            SHA256

            0102200e8e25237e5865b85053f0cf2d641571875e4ad20374cb6cd4e4df7e14

            SHA512

            739954aa3219f259aa7435b630c742603b9a196f845961b1517c917f8a77b3fc8d3295669cdd5492cef477060114bbe3ea134090b786bb3c0840df801d51bc0e

          • \Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            02f212fc80a17d2ccbc2f5d9d8f3c454

            SHA1

            36999267a8d269c67fbf87a0c4f6c87a6e8b3520

            SHA256

            0102200e8e25237e5865b85053f0cf2d641571875e4ad20374cb6cd4e4df7e14

            SHA512

            739954aa3219f259aa7435b630c742603b9a196f845961b1517c917f8a77b3fc8d3295669cdd5492cef477060114bbe3ea134090b786bb3c0840df801d51bc0e

          • \Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            ef418bd3447225914ddcf1653ec2582a

            SHA1

            bdd4e3e76bb4a2345835067eecd5b7c1965d64e8

            SHA256

            55cb5715cb8bda6d3e0b6adf31b13328709842de5b58b3f21f686df3bc07b75a

            SHA512

            76977d5be4b82beead3eca25b317a5df2854770584f3e541f0c4f53aaac9be88bde8fcd8950c099b4f17e6e79aefab2cb057d8375c96abcb9bb990fc9dc6e2c8

          • \Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            708c05db5802a1d963ae3760b1d616d4

            SHA1

            958aa25818f0d5f43f0965144a46621177000200

            SHA256

            ce34df2b7d6f93698190963c001939f80b3e777c4eeb4449190929da0222673e

            SHA512

            945e3ad8c24d287dff29956d7a7d05f8f3f3d52554395bb3f5a8fccd0d9f6b5245851aebd2b1615b0614930d6e1ffd985c8a4c6dad5c078fb4c5afb44e29f30c

          • \Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            20a61a7cb9a947aa8c297a9182fdc1af

            SHA1

            86c7b496cfbd7123623d2a5e0d4dc44a406b0f06

            SHA256

            20c9280e05b71ee1e5da69f9e8bad227edef216bae81d85e86936d112128b8f4

            SHA512

            06dc046b95e8ed23e161d30b7b3bbc55d6823bc10bc84e3d4766d83178adfc45fb096a99dfaf6d5abb02467e1109cb3b9294e18bcbe8992ddde5b809a2fa3cbc

          • memory/2032-54-0x00000000766D1000-0x00000000766D3000-memory.dmp

            Filesize

            8KB

          • memory/2032-59-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/2032-90-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB