Analysis

  • max time kernel
    175s
  • max time network
    194s
  • 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 10:08

General

  • Target

    eb6338b9732c57c535a55f8de47f9043512475b8089d13a6342d92789ff6fd63.exe

  • Size

    602KB

  • MD5

    47aeeb792f7cd60405bc97967edd2bb4

  • SHA1

    41901d701c67cc5159b682b76cb86ffdb757555a

  • SHA256

    eb6338b9732c57c535a55f8de47f9043512475b8089d13a6342d92789ff6fd63

  • SHA512

    f7314f8e52baf0720913cb92f9a5b54b8f313251334a132bafda68647f48a1d4c131fcbbe14492b800a371e450e6bb84bf7f1084b41b2e0eb70e9ab85fea42a4

  • SSDEEP

    12288:uIny5DYTYEoSrAvqgq9UPy/6ee89uFnJpIW1e8YG:wUTYElr0hOUY6n1jSg

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\eb6338b9732c57c535a55f8de47f9043512475b8089d13a6342d92789ff6fd63.exe
    "C:\Users\Admin\AppData\Local\Temp\eb6338b9732c57c535a55f8de47f9043512475b8089d13a6342d92789ff6fd63.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:4332
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4956
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:2588
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:444
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:1748
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:240
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4340
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:3936
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:448
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:816
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3432
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:872
          • 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:1952
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:836

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsmC08.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsmC08.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsmC08.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsmC08.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsmC08.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsmC08.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsmC08.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsmC08.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsmC08.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            4278ff4b94de80777208f6dbfa0b89bf

            SHA1

            2c4f881f18672d6d7995ad9b50500fa329db964f

            SHA256

            57e10b49c74251d3f16078b4c7ff6b44281810cc2a454b128f6bd6c61df426b3

            SHA512

            b32537b219145de324d131413c09f5208413c5d6f65dfce81c99a2f4af332ef6875468e1e34bfcaf29dd4b4e607e890849a09e4d2ae8c90df5334e65112e7e32

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            4278ff4b94de80777208f6dbfa0b89bf

            SHA1

            2c4f881f18672d6d7995ad9b50500fa329db964f

            SHA256

            57e10b49c74251d3f16078b4c7ff6b44281810cc2a454b128f6bd6c61df426b3

            SHA512

            b32537b219145de324d131413c09f5208413c5d6f65dfce81c99a2f4af332ef6875468e1e34bfcaf29dd4b4e607e890849a09e4d2ae8c90df5334e65112e7e32

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            4278ff4b94de80777208f6dbfa0b89bf

            SHA1

            2c4f881f18672d6d7995ad9b50500fa329db964f

            SHA256

            57e10b49c74251d3f16078b4c7ff6b44281810cc2a454b128f6bd6c61df426b3

            SHA512

            b32537b219145de324d131413c09f5208413c5d6f65dfce81c99a2f4af332ef6875468e1e34bfcaf29dd4b4e607e890849a09e4d2ae8c90df5334e65112e7e32

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            4278ff4b94de80777208f6dbfa0b89bf

            SHA1

            2c4f881f18672d6d7995ad9b50500fa329db964f

            SHA256

            57e10b49c74251d3f16078b4c7ff6b44281810cc2a454b128f6bd6c61df426b3

            SHA512

            b32537b219145de324d131413c09f5208413c5d6f65dfce81c99a2f4af332ef6875468e1e34bfcaf29dd4b4e607e890849a09e4d2ae8c90df5334e65112e7e32

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            b0ab009e9fe3ad13400a45d5a11c088b

            SHA1

            b2a260f4d7f7f26885cafd681d92ce16f7d14341

            SHA256

            264b3387b7f6533a301164be1dd5d01ca25360d89f823b97bc37acc529352624

            SHA512

            03b7dbbbda1f4f31365dd8fc88307b2aa828a1b49449b63f06d03847ed6611c2e3d3f0c276353ce2a7bcd8cbf8f546c3c38b535d63f540b3fea94cbd1b5d2d1d

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            b0ab009e9fe3ad13400a45d5a11c088b

            SHA1

            b2a260f4d7f7f26885cafd681d92ce16f7d14341

            SHA256

            264b3387b7f6533a301164be1dd5d01ca25360d89f823b97bc37acc529352624

            SHA512

            03b7dbbbda1f4f31365dd8fc88307b2aa828a1b49449b63f06d03847ed6611c2e3d3f0c276353ce2a7bcd8cbf8f546c3c38b535d63f540b3fea94cbd1b5d2d1d

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            b0ab009e9fe3ad13400a45d5a11c088b

            SHA1

            b2a260f4d7f7f26885cafd681d92ce16f7d14341

            SHA256

            264b3387b7f6533a301164be1dd5d01ca25360d89f823b97bc37acc529352624

            SHA512

            03b7dbbbda1f4f31365dd8fc88307b2aa828a1b49449b63f06d03847ed6611c2e3d3f0c276353ce2a7bcd8cbf8f546c3c38b535d63f540b3fea94cbd1b5d2d1d

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            d9a1787f4a095e9d3698e78ebd07b011

            SHA1

            a094eaff03998c4089ed839f124ee28fc5b6004c

            SHA256

            9f5d9a9771db97bc01a53c20aa70ae4d6267fc28dd652558b4b32c52f14de1e8

            SHA512

            80785cd694c039ea79003ed04233ce6efe72abd23e02a6273bea7b82ea1fd1d8f71f9e5f7258db295eab2f9773a7bb41b3ba7bc19b90be6aabb00e8ae4870aa4

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            d9a1787f4a095e9d3698e78ebd07b011

            SHA1

            a094eaff03998c4089ed839f124ee28fc5b6004c

            SHA256

            9f5d9a9771db97bc01a53c20aa70ae4d6267fc28dd652558b4b32c52f14de1e8

            SHA512

            80785cd694c039ea79003ed04233ce6efe72abd23e02a6273bea7b82ea1fd1d8f71f9e5f7258db295eab2f9773a7bb41b3ba7bc19b90be6aabb00e8ae4870aa4

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            29886e1e238731ee1216118d16732e0f

            SHA1

            26c97a4e4de29323eb72bfe2926475d80c2ba1b2

            SHA256

            e6d3be3fd209207b1c93dfff701b7cd6f566528cc1311bc42fc8fc6c6cfca491

            SHA512

            e0c4a5dc6c0696c395c8db218edbd6e436ebfdddf8c04639170f6afafea85e7817d4cf58674534f45e974e684139cdb865b07db25c18fe473a0e1881a7575d40

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            29886e1e238731ee1216118d16732e0f

            SHA1

            26c97a4e4de29323eb72bfe2926475d80c2ba1b2

            SHA256

            e6d3be3fd209207b1c93dfff701b7cd6f566528cc1311bc42fc8fc6c6cfca491

            SHA512

            e0c4a5dc6c0696c395c8db218edbd6e436ebfdddf8c04639170f6afafea85e7817d4cf58674534f45e974e684139cdb865b07db25c18fe473a0e1881a7575d40

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            29886e1e238731ee1216118d16732e0f

            SHA1

            26c97a4e4de29323eb72bfe2926475d80c2ba1b2

            SHA256

            e6d3be3fd209207b1c93dfff701b7cd6f566528cc1311bc42fc8fc6c6cfca491

            SHA512

            e0c4a5dc6c0696c395c8db218edbd6e436ebfdddf8c04639170f6afafea85e7817d4cf58674534f45e974e684139cdb865b07db25c18fe473a0e1881a7575d40

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            039de660924cc5c2a9af116bd9d25086

            SHA1

            0fa9f1fb39caef07b6e00ce598a82881fef8366a

            SHA256

            5b24f0782514ded3d63fcb26651bf37c986c0409c55392246064998aa5c55ff6

            SHA512

            64a056af0eb12c7b0f33388e95ef500a353dcb7974dc88b76a7169112e2b6cc5f531c93561d0bba2c03c4776d031e73eff35c7c8d1cad99fbe2fe83477676b0f

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            039de660924cc5c2a9af116bd9d25086

            SHA1

            0fa9f1fb39caef07b6e00ce598a82881fef8366a

            SHA256

            5b24f0782514ded3d63fcb26651bf37c986c0409c55392246064998aa5c55ff6

            SHA512

            64a056af0eb12c7b0f33388e95ef500a353dcb7974dc88b76a7169112e2b6cc5f531c93561d0bba2c03c4776d031e73eff35c7c8d1cad99fbe2fe83477676b0f

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            039de660924cc5c2a9af116bd9d25086

            SHA1

            0fa9f1fb39caef07b6e00ce598a82881fef8366a

            SHA256

            5b24f0782514ded3d63fcb26651bf37c986c0409c55392246064998aa5c55ff6

            SHA512

            64a056af0eb12c7b0f33388e95ef500a353dcb7974dc88b76a7169112e2b6cc5f531c93561d0bba2c03c4776d031e73eff35c7c8d1cad99fbe2fe83477676b0f

          • memory/240-141-0x0000000000000000-mapping.dmp

          • memory/444-139-0x0000000000000000-mapping.dmp

          • memory/448-158-0x0000000000000000-mapping.dmp

          • memory/816-159-0x0000000000000000-mapping.dmp

          • memory/872-166-0x0000000000000000-mapping.dmp

          • memory/1748-140-0x0000000000000000-mapping.dmp

          • memory/2588-136-0x0000000000000000-mapping.dmp

          • memory/3432-165-0x0000000000000000-mapping.dmp

          • memory/3936-153-0x0000000000000000-mapping.dmp

          • memory/4332-144-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4332-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/4340-147-0x0000000000000000-mapping.dmp

          • memory/4956-135-0x0000000000000000-mapping.dmp