Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 14:23

General

  • Target

    7e2c4fde47d9eda060cf431ae4123be4900b8f76617732a6196668f9fec600b7.exe

  • Size

    563KB

  • MD5

    eea3a5cb9f4f9c507ef3ea1b07531421

  • SHA1

    4245d2829b2f707d1905002d91d7d96bd9244c75

  • SHA256

    7e2c4fde47d9eda060cf431ae4123be4900b8f76617732a6196668f9fec600b7

  • SHA512

    7aba72c8ae517deca7e50c0e48508b02151991918044e081d01de37acede66c7da87ac93dd29631d1cd68945ef8c55197c0037830a5e902cd0563fa5c2d2c255

  • SSDEEP

    12288:YPRYzbbf+hnkpYrNkWCknHbO/x4HlCoDhtbxKAap:Rz3ffCBkZknHgmHLHYz

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\7e2c4fde47d9eda060cf431ae4123be4900b8f76617732a6196668f9fec600b7.exe
    "C:\Users\Admin\AppData\Local\Temp\7e2c4fde47d9eda060cf431ae4123be4900b8f76617732a6196668f9fec600b7.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:2356
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4332
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:1604
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1136
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:5032
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:5044
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1328
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:5020
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1852
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:2640
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:348
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:2040
          • 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:5084
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:4532

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsw8CB6.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsw8CB6.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsw8CB6.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsw8CB6.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsw8CB6.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsw8CB6.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsw8CB6.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsw8CB6.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsw8CB6.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            d5228a55fd11931e4fae2afc16260ac1

            SHA1

            a3a9ab09fe6b461629a5ffd56787eac48b2c6257

            SHA256

            bbd1028e742ee8531ff05f9d48a363970abeb04aaadcbf45dafdeeeb7c206fc5

            SHA512

            303972f46a17e148a026094a0fe5754caa8c023151ed95e1ac73403e26bdd2c3b664b50f2ce83a372b6af1686088d32de1ad1b0851ac15d8d6a84c8e53b93c4b

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            d5228a55fd11931e4fae2afc16260ac1

            SHA1

            a3a9ab09fe6b461629a5ffd56787eac48b2c6257

            SHA256

            bbd1028e742ee8531ff05f9d48a363970abeb04aaadcbf45dafdeeeb7c206fc5

            SHA512

            303972f46a17e148a026094a0fe5754caa8c023151ed95e1ac73403e26bdd2c3b664b50f2ce83a372b6af1686088d32de1ad1b0851ac15d8d6a84c8e53b93c4b

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            d5228a55fd11931e4fae2afc16260ac1

            SHA1

            a3a9ab09fe6b461629a5ffd56787eac48b2c6257

            SHA256

            bbd1028e742ee8531ff05f9d48a363970abeb04aaadcbf45dafdeeeb7c206fc5

            SHA512

            303972f46a17e148a026094a0fe5754caa8c023151ed95e1ac73403e26bdd2c3b664b50f2ce83a372b6af1686088d32de1ad1b0851ac15d8d6a84c8e53b93c4b

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            d5228a55fd11931e4fae2afc16260ac1

            SHA1

            a3a9ab09fe6b461629a5ffd56787eac48b2c6257

            SHA256

            bbd1028e742ee8531ff05f9d48a363970abeb04aaadcbf45dafdeeeb7c206fc5

            SHA512

            303972f46a17e148a026094a0fe5754caa8c023151ed95e1ac73403e26bdd2c3b664b50f2ce83a372b6af1686088d32de1ad1b0851ac15d8d6a84c8e53b93c4b

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            0b0821e71e4fa18595270070f93f5fd8

            SHA1

            6def4cc7582eae9d8ed88a5c30de8958726fb25e

            SHA256

            41e5d95670146b96443c32b121a854fe1fe5adc9c1da308ec62769a78f5cdc0c

            SHA512

            9780709eb1810368e6cb7724112b82840cde3b007c62e3cb69cd39a38bdf83a7105f64f71a5846fa7d3bb6aba85d9cf710e29bda14e4c9115620162e333d9fa6

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            0b0821e71e4fa18595270070f93f5fd8

            SHA1

            6def4cc7582eae9d8ed88a5c30de8958726fb25e

            SHA256

            41e5d95670146b96443c32b121a854fe1fe5adc9c1da308ec62769a78f5cdc0c

            SHA512

            9780709eb1810368e6cb7724112b82840cde3b007c62e3cb69cd39a38bdf83a7105f64f71a5846fa7d3bb6aba85d9cf710e29bda14e4c9115620162e333d9fa6

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            244KB

            MD5

            0b0821e71e4fa18595270070f93f5fd8

            SHA1

            6def4cc7582eae9d8ed88a5c30de8958726fb25e

            SHA256

            41e5d95670146b96443c32b121a854fe1fe5adc9c1da308ec62769a78f5cdc0c

            SHA512

            9780709eb1810368e6cb7724112b82840cde3b007c62e3cb69cd39a38bdf83a7105f64f71a5846fa7d3bb6aba85d9cf710e29bda14e4c9115620162e333d9fa6

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            8b0ea2875a0c4cf97a9759bee4e152ef

            SHA1

            979195c835fd8bb575d643ed830117bd2b28d9f4

            SHA256

            a1bc7350f8b2e477063072d7f7b77f4be482a59ed5fd8b66ccfa1402826a8ad8

            SHA512

            a5536f7d7d9f2b4336342e92f415f40c22416f3e486c97811e5df3664051b48b552e3412e11f0097f71447a9b93b5ed4f33920fc603f79a835e27c2d7ac603c9

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            8b0ea2875a0c4cf97a9759bee4e152ef

            SHA1

            979195c835fd8bb575d643ed830117bd2b28d9f4

            SHA256

            a1bc7350f8b2e477063072d7f7b77f4be482a59ed5fd8b66ccfa1402826a8ad8

            SHA512

            a5536f7d7d9f2b4336342e92f415f40c22416f3e486c97811e5df3664051b48b552e3412e11f0097f71447a9b93b5ed4f33920fc603f79a835e27c2d7ac603c9

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            4601960072941e27424b963f8bd7b03a

            SHA1

            85c3e1144f85c94e5e699901e15146c5807f6314

            SHA256

            37498efe97e31fa1cd2a303938cd4e91498a76b44aab8f021c07b8d81408a93c

            SHA512

            c8bdfbc1d07cac02c01fb2b4faf2be49a280cebddab2fc2437907b533837088ec42fcdc7b03e6916767ecf002f1d1a0fbe951df537e217be10fbf40c795cb2e1

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            4601960072941e27424b963f8bd7b03a

            SHA1

            85c3e1144f85c94e5e699901e15146c5807f6314

            SHA256

            37498efe97e31fa1cd2a303938cd4e91498a76b44aab8f021c07b8d81408a93c

            SHA512

            c8bdfbc1d07cac02c01fb2b4faf2be49a280cebddab2fc2437907b533837088ec42fcdc7b03e6916767ecf002f1d1a0fbe951df537e217be10fbf40c795cb2e1

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            4601960072941e27424b963f8bd7b03a

            SHA1

            85c3e1144f85c94e5e699901e15146c5807f6314

            SHA256

            37498efe97e31fa1cd2a303938cd4e91498a76b44aab8f021c07b8d81408a93c

            SHA512

            c8bdfbc1d07cac02c01fb2b4faf2be49a280cebddab2fc2437907b533837088ec42fcdc7b03e6916767ecf002f1d1a0fbe951df537e217be10fbf40c795cb2e1

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            9ec6c9f657200ebb6db2a31b1556aca1

            SHA1

            07b4b9e3bb9071ed1fd407a7def4bea3494e30c7

            SHA256

            1142b9cbb3d781afa14d7303daaaa2f3172243d839b7158429ab3f1c05a2f683

            SHA512

            1d2b1a5d3d7dd36fdcc6355a6285d4d960a764e4b786e19025bd92b36e50aa7f7e6335b6ac27222bcb3bef19129765ff156d50674f35ae9ee38b964df8dcd38d

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            9ec6c9f657200ebb6db2a31b1556aca1

            SHA1

            07b4b9e3bb9071ed1fd407a7def4bea3494e30c7

            SHA256

            1142b9cbb3d781afa14d7303daaaa2f3172243d839b7158429ab3f1c05a2f683

            SHA512

            1d2b1a5d3d7dd36fdcc6355a6285d4d960a764e4b786e19025bd92b36e50aa7f7e6335b6ac27222bcb3bef19129765ff156d50674f35ae9ee38b964df8dcd38d

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            159KB

            MD5

            9ec6c9f657200ebb6db2a31b1556aca1

            SHA1

            07b4b9e3bb9071ed1fd407a7def4bea3494e30c7

            SHA256

            1142b9cbb3d781afa14d7303daaaa2f3172243d839b7158429ab3f1c05a2f683

            SHA512

            1d2b1a5d3d7dd36fdcc6355a6285d4d960a764e4b786e19025bd92b36e50aa7f7e6335b6ac27222bcb3bef19129765ff156d50674f35ae9ee38b964df8dcd38d

          • memory/2356-132-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/2356-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB