Analysis

  • max time kernel
    47s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 11:00

General

  • Target

    03eb0e9fd608bdf230280d5074a6b494e8bfbd4bf531ce67e5d4dc26afff3179.exe

  • Size

    446KB

  • MD5

    96a5d6412a24b47aad17c445bde3b250

  • SHA1

    6eccf862851fd0c900b3c3ff1b7826e10cf53fe0

  • SHA256

    03eb0e9fd608bdf230280d5074a6b494e8bfbd4bf531ce67e5d4dc26afff3179

  • SHA512

    a4dc2f929b1ea0de422b70a1c35386040382739263f8be19c18fe6e22a98d47aec00c051e3b8d5eed4561d4d69331fb11892763559f8bec4da835837cd879bf2

  • SSDEEP

    12288:S1mE9ophM8/VGAL32THvBYQw3f4/j7IMaSjJSS94:SY7zdGnpYQIA/XIMawA

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\03eb0e9fd608bdf230280d5074a6b494e8bfbd4bf531ce67e5d4dc26afff3179.exe
    "C:\Users\Admin\AppData\Local\Temp\03eb0e9fd608bdf230280d5074a6b494e8bfbd4bf531ce67e5d4dc26afff3179.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:304
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1388
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:808
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1376
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:1208
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1452
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1520
        • 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:2008
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:1956
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1680
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:764
          • C:\Windows\SysWOW64\nethtsrv.exe
            C:\Windows\SysWOW64\nethtsrv.exe
            1⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of AdjustPrivilegeToken
            PID:748
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:268

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            20e9415a1535b4570324fedb217788e1

            SHA1

            b9575721d116397d9559b7aea9f04067c349b606

            SHA256

            1d510dc3d0d8dd66aa1c1570da7bb2579eee108dcf50d7b9f0df2a7d7ad0c506

            SHA512

            bd3124a1335242223a99bd55e3dc0ba9ac4baf37e0d4bc49654c1d96cae8c22c7a4e50b5230f0692a4a032984bbc87e92774c4c1b0afef65f45e301818785f52

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            2605b51d5b5dcf2c18323d28b08261f6

            SHA1

            de4458c179fee94f8be54e921426c178e617e7d5

            SHA256

            ec26a548ca364e34ade6b66652c3c9bea73efc3d91411694ccc3b9a31e04111f

            SHA512

            8814a294e03930f3acd0b2747f35625add1acf606c67545e33eaf5b82c69fd6dfab75609bd0cf03da21df099ff76f51eba110f8843bc848c115de33e5ff7e4d6

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            7e4eb0e2533991533c6e9c3474798444

            SHA1

            5fe32a9e329f8549fd1558df431b652945aa4df9

            SHA256

            f9e933dc9c413453798159f962077d5cf0c7e4beb0d721d03d62348a537cc654

            SHA512

            e7be6da5d8bfd02b22a48c6307c2a2fc48ab101936a1fd8251a76f952eba7e3db5caca275d7b6be15b3f723642801dc8d8d0cd25870aec3d1cf82fd37d06132e

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            4e681b9031d6d8cf53d253e29572b832

            SHA1

            350207e6161d6afb0a922f1ebca300160aa992ae

            SHA256

            2fc952816e029a7e3b6867f94857cfdae727390cc197b52d238cb83ab72bdad3

            SHA512

            b9b34ec93c9e7e6e92374f0556a13b58f78512e5d12233cca7e775f94d2c26159b45fbe4a754b47b9f811b6ddbda8ee53236cd1a9dc66e6d8539565f32959ac2

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            4e681b9031d6d8cf53d253e29572b832

            SHA1

            350207e6161d6afb0a922f1ebca300160aa992ae

            SHA256

            2fc952816e029a7e3b6867f94857cfdae727390cc197b52d238cb83ab72bdad3

            SHA512

            b9b34ec93c9e7e6e92374f0556a13b58f78512e5d12233cca7e775f94d2c26159b45fbe4a754b47b9f811b6ddbda8ee53236cd1a9dc66e6d8539565f32959ac2

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            0d334a11a880acbcfdc46b55111aef87

            SHA1

            5d887415a6e06af01ef0403156ee5462bddb576e

            SHA256

            c60b4fb986709c24d59d3b2190f3ea418b518c18e4b99fbf2714fd140a9e80c3

            SHA512

            67db3465000a513c940d0418223be294d7504eb249c1aff4f36a97440a46e3c62d6b6daa9c1b80c9b0e7a835c7c948a1b985517eccd234f5889ff0f89caeecf3

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            0d334a11a880acbcfdc46b55111aef87

            SHA1

            5d887415a6e06af01ef0403156ee5462bddb576e

            SHA256

            c60b4fb986709c24d59d3b2190f3ea418b518c18e4b99fbf2714fd140a9e80c3

            SHA512

            67db3465000a513c940d0418223be294d7504eb249c1aff4f36a97440a46e3c62d6b6daa9c1b80c9b0e7a835c7c948a1b985517eccd234f5889ff0f89caeecf3

          • \Users\Admin\AppData\Local\Temp\nse9C14.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • \Users\Admin\AppData\Local\Temp\nse9C14.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nse9C14.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nse9C14.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Users\Admin\AppData\Local\Temp\nse9C14.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            20e9415a1535b4570324fedb217788e1

            SHA1

            b9575721d116397d9559b7aea9f04067c349b606

            SHA256

            1d510dc3d0d8dd66aa1c1570da7bb2579eee108dcf50d7b9f0df2a7d7ad0c506

            SHA512

            bd3124a1335242223a99bd55e3dc0ba9ac4baf37e0d4bc49654c1d96cae8c22c7a4e50b5230f0692a4a032984bbc87e92774c4c1b0afef65f45e301818785f52

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            20e9415a1535b4570324fedb217788e1

            SHA1

            b9575721d116397d9559b7aea9f04067c349b606

            SHA256

            1d510dc3d0d8dd66aa1c1570da7bb2579eee108dcf50d7b9f0df2a7d7ad0c506

            SHA512

            bd3124a1335242223a99bd55e3dc0ba9ac4baf37e0d4bc49654c1d96cae8c22c7a4e50b5230f0692a4a032984bbc87e92774c4c1b0afef65f45e301818785f52

          • \Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            20e9415a1535b4570324fedb217788e1

            SHA1

            b9575721d116397d9559b7aea9f04067c349b606

            SHA256

            1d510dc3d0d8dd66aa1c1570da7bb2579eee108dcf50d7b9f0df2a7d7ad0c506

            SHA512

            bd3124a1335242223a99bd55e3dc0ba9ac4baf37e0d4bc49654c1d96cae8c22c7a4e50b5230f0692a4a032984bbc87e92774c4c1b0afef65f45e301818785f52

          • \Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            2605b51d5b5dcf2c18323d28b08261f6

            SHA1

            de4458c179fee94f8be54e921426c178e617e7d5

            SHA256

            ec26a548ca364e34ade6b66652c3c9bea73efc3d91411694ccc3b9a31e04111f

            SHA512

            8814a294e03930f3acd0b2747f35625add1acf606c67545e33eaf5b82c69fd6dfab75609bd0cf03da21df099ff76f51eba110f8843bc848c115de33e5ff7e4d6

          • \Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            2605b51d5b5dcf2c18323d28b08261f6

            SHA1

            de4458c179fee94f8be54e921426c178e617e7d5

            SHA256

            ec26a548ca364e34ade6b66652c3c9bea73efc3d91411694ccc3b9a31e04111f

            SHA512

            8814a294e03930f3acd0b2747f35625add1acf606c67545e33eaf5b82c69fd6dfab75609bd0cf03da21df099ff76f51eba110f8843bc848c115de33e5ff7e4d6

          • \Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            7e4eb0e2533991533c6e9c3474798444

            SHA1

            5fe32a9e329f8549fd1558df431b652945aa4df9

            SHA256

            f9e933dc9c413453798159f962077d5cf0c7e4beb0d721d03d62348a537cc654

            SHA512

            e7be6da5d8bfd02b22a48c6307c2a2fc48ab101936a1fd8251a76f952eba7e3db5caca275d7b6be15b3f723642801dc8d8d0cd25870aec3d1cf82fd37d06132e

          • \Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            4e681b9031d6d8cf53d253e29572b832

            SHA1

            350207e6161d6afb0a922f1ebca300160aa992ae

            SHA256

            2fc952816e029a7e3b6867f94857cfdae727390cc197b52d238cb83ab72bdad3

            SHA512

            b9b34ec93c9e7e6e92374f0556a13b58f78512e5d12233cca7e775f94d2c26159b45fbe4a754b47b9f811b6ddbda8ee53236cd1a9dc66e6d8539565f32959ac2

          • \Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            0d334a11a880acbcfdc46b55111aef87

            SHA1

            5d887415a6e06af01ef0403156ee5462bddb576e

            SHA256

            c60b4fb986709c24d59d3b2190f3ea418b518c18e4b99fbf2714fd140a9e80c3

            SHA512

            67db3465000a513c940d0418223be294d7504eb249c1aff4f36a97440a46e3c62d6b6daa9c1b80c9b0e7a835c7c948a1b985517eccd234f5889ff0f89caeecf3

          • memory/304-54-0x0000000074C91000-0x0000000074C93000-memory.dmp

            Filesize

            8KB

          • memory/668-75-0x0000000000000000-mapping.dmp

          • memory/764-86-0x0000000000000000-mapping.dmp

          • memory/808-58-0x0000000000000000-mapping.dmp

          • memory/1208-61-0x0000000000000000-mapping.dmp

          • memory/1376-60-0x0000000000000000-mapping.dmp

          • memory/1388-57-0x0000000000000000-mapping.dmp

          • memory/1452-63-0x0000000000000000-mapping.dmp

          • memory/1520-69-0x0000000000000000-mapping.dmp

          • memory/1680-85-0x0000000000000000-mapping.dmp

          • memory/1956-80-0x0000000000000000-mapping.dmp

          • memory/2008-79-0x0000000000000000-mapping.dmp