Analysis

  • max time kernel
    91s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 10:26

General

  • Target

    5172450a293dc60392305523594d6be66f0d32c02ed7ca19475e2766bddc0edb.exe

  • Size

    600KB

  • MD5

    72bed3b06a0ab3ce4298a814def3e8f7

  • SHA1

    e32f03cb18949238847c7829719f92d9410ca2d9

  • SHA256

    5172450a293dc60392305523594d6be66f0d32c02ed7ca19475e2766bddc0edb

  • SHA512

    0d45ca8250edcdb0d3a55959185748f9fb2a98cfb3959acbe7ab60e5a2ba62963eaffa9a46bb110ace4412565fd69f36df532a70889d67cac3993043b522d88e

  • SSDEEP

    12288:jIny5DYT15GJAJuW5VQSscvX9hYKBZ27oQYpFZN:rUTeJOJ5VQOvXgo7N

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\5172450a293dc60392305523594d6be66f0d32c02ed7ca19475e2766bddc0edb.exe
    "C:\Users\Admin\AppData\Local\Temp\5172450a293dc60392305523594d6be66f0d32c02ed7ca19475e2766bddc0edb.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:2340
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4148
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:4072
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1168
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:224
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4344
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4224
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:4868
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1060
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:828
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:4500
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:3928
          • 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:2524
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:4472

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nseC606.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nseC606.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nseC606.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nseC606.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nseC606.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nseC606.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nseC606.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nseC606.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nseC606.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            6e4c711af0331899dd54f245fbdcadc7

            SHA1

            0e22c34b9193989db7865d5cdb34c980cc89884c

            SHA256

            f7a5d7fa2f9a36804b2cdc0328c95ba4e132d0c49adabe1c1e118ad8dc20c3a3

            SHA512

            729a628213ff11a0b62150cd22f9f7cbcd7ad774b3e6e00f26d1e531c6e3b766d7d2ae9ea4f43bbf6ef05e6be62f18b6ed333234a2a920e24978f7099832e0c0

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            6e4c711af0331899dd54f245fbdcadc7

            SHA1

            0e22c34b9193989db7865d5cdb34c980cc89884c

            SHA256

            f7a5d7fa2f9a36804b2cdc0328c95ba4e132d0c49adabe1c1e118ad8dc20c3a3

            SHA512

            729a628213ff11a0b62150cd22f9f7cbcd7ad774b3e6e00f26d1e531c6e3b766d7d2ae9ea4f43bbf6ef05e6be62f18b6ed333234a2a920e24978f7099832e0c0

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            6e4c711af0331899dd54f245fbdcadc7

            SHA1

            0e22c34b9193989db7865d5cdb34c980cc89884c

            SHA256

            f7a5d7fa2f9a36804b2cdc0328c95ba4e132d0c49adabe1c1e118ad8dc20c3a3

            SHA512

            729a628213ff11a0b62150cd22f9f7cbcd7ad774b3e6e00f26d1e531c6e3b766d7d2ae9ea4f43bbf6ef05e6be62f18b6ed333234a2a920e24978f7099832e0c0

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            6e4c711af0331899dd54f245fbdcadc7

            SHA1

            0e22c34b9193989db7865d5cdb34c980cc89884c

            SHA256

            f7a5d7fa2f9a36804b2cdc0328c95ba4e132d0c49adabe1c1e118ad8dc20c3a3

            SHA512

            729a628213ff11a0b62150cd22f9f7cbcd7ad774b3e6e00f26d1e531c6e3b766d7d2ae9ea4f43bbf6ef05e6be62f18b6ed333234a2a920e24978f7099832e0c0

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            95ee59d7d55e92914bfa1bf4498a88c8

            SHA1

            43262e93128a9e65c8f30fa45fd072ca8a467795

            SHA256

            40e4d398f76924638080db088eabea2050b95ee8077faaaadb508883c71ca09d

            SHA512

            f0464e586731163f938fcd652ade2a6e875894ffd1120529dddf62e071866f1a86b26fdcab925327a183f58b462c97b8e79f5846b6fcca3fb27f1702313433e4

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            95ee59d7d55e92914bfa1bf4498a88c8

            SHA1

            43262e93128a9e65c8f30fa45fd072ca8a467795

            SHA256

            40e4d398f76924638080db088eabea2050b95ee8077faaaadb508883c71ca09d

            SHA512

            f0464e586731163f938fcd652ade2a6e875894ffd1120529dddf62e071866f1a86b26fdcab925327a183f58b462c97b8e79f5846b6fcca3fb27f1702313433e4

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            95ee59d7d55e92914bfa1bf4498a88c8

            SHA1

            43262e93128a9e65c8f30fa45fd072ca8a467795

            SHA256

            40e4d398f76924638080db088eabea2050b95ee8077faaaadb508883c71ca09d

            SHA512

            f0464e586731163f938fcd652ade2a6e875894ffd1120529dddf62e071866f1a86b26fdcab925327a183f58b462c97b8e79f5846b6fcca3fb27f1702313433e4

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            05f9ffc69b9fc3e5f77df471da473923

            SHA1

            be5dd794afc00c997598cd226b47f8a61d0e369e

            SHA256

            dad02919db425bb8703b3c970e1d294f01551cf9c100ecd8b07925ea1e5e6ba1

            SHA512

            1245b77c68c9b5f2a45e25e543e493cdf3e1128cf90fb011c81b3233c5b32f99a9bef4956a41e2cb63e23e3a549fe46df00905e860e939772faa88b394cbbc65

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            05f9ffc69b9fc3e5f77df471da473923

            SHA1

            be5dd794afc00c997598cd226b47f8a61d0e369e

            SHA256

            dad02919db425bb8703b3c970e1d294f01551cf9c100ecd8b07925ea1e5e6ba1

            SHA512

            1245b77c68c9b5f2a45e25e543e493cdf3e1128cf90fb011c81b3233c5b32f99a9bef4956a41e2cb63e23e3a549fe46df00905e860e939772faa88b394cbbc65

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            f7a0c6ae0d8f6d41e487c9184e35a5f3

            SHA1

            d8365d6fd704f62ef5e38148eb7b2c3155d29a35

            SHA256

            adcb7996b5a104d2891e03f495debe17c077da9410e6a27cbcadd3c5dd922a46

            SHA512

            cfdb23a78110a1118ff54c3ea0036a596d591e7bd34c65e0d51714b31f288a678354cb94c54a6b4ff63e8112263c02e0559a58111776e1e960aac990ea97d999

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            f7a0c6ae0d8f6d41e487c9184e35a5f3

            SHA1

            d8365d6fd704f62ef5e38148eb7b2c3155d29a35

            SHA256

            adcb7996b5a104d2891e03f495debe17c077da9410e6a27cbcadd3c5dd922a46

            SHA512

            cfdb23a78110a1118ff54c3ea0036a596d591e7bd34c65e0d51714b31f288a678354cb94c54a6b4ff63e8112263c02e0559a58111776e1e960aac990ea97d999

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            f7a0c6ae0d8f6d41e487c9184e35a5f3

            SHA1

            d8365d6fd704f62ef5e38148eb7b2c3155d29a35

            SHA256

            adcb7996b5a104d2891e03f495debe17c077da9410e6a27cbcadd3c5dd922a46

            SHA512

            cfdb23a78110a1118ff54c3ea0036a596d591e7bd34c65e0d51714b31f288a678354cb94c54a6b4ff63e8112263c02e0559a58111776e1e960aac990ea97d999

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            5058f42dc289b13bdfcda11e4e124c38

            SHA1

            7875c69b6301aed4b18f256acf7f2053d5d7a39f

            SHA256

            18488e694250ee27c5a4aaa5ac97fdb0c3ad0e2fec133797bf9e39a8dabdcc1e

            SHA512

            523ecf44a78b1860bc06f8d31f3e09d133fa3f64ce13fa1cca59f770e3aeb05ac2523d72d3529867c7756fb3b32a643e6fac7a314e92d67674e29f35e259b255

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            5058f42dc289b13bdfcda11e4e124c38

            SHA1

            7875c69b6301aed4b18f256acf7f2053d5d7a39f

            SHA256

            18488e694250ee27c5a4aaa5ac97fdb0c3ad0e2fec133797bf9e39a8dabdcc1e

            SHA512

            523ecf44a78b1860bc06f8d31f3e09d133fa3f64ce13fa1cca59f770e3aeb05ac2523d72d3529867c7756fb3b32a643e6fac7a314e92d67674e29f35e259b255

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            5058f42dc289b13bdfcda11e4e124c38

            SHA1

            7875c69b6301aed4b18f256acf7f2053d5d7a39f

            SHA256

            18488e694250ee27c5a4aaa5ac97fdb0c3ad0e2fec133797bf9e39a8dabdcc1e

            SHA512

            523ecf44a78b1860bc06f8d31f3e09d133fa3f64ce13fa1cca59f770e3aeb05ac2523d72d3529867c7756fb3b32a643e6fac7a314e92d67674e29f35e259b255

          • memory/224-141-0x0000000000000000-mapping.dmp

          • memory/828-159-0x0000000000000000-mapping.dmp

          • memory/1060-158-0x0000000000000000-mapping.dmp

          • memory/1168-140-0x0000000000000000-mapping.dmp

          • memory/2340-137-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/2340-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/3928-166-0x0000000000000000-mapping.dmp

          • memory/4072-136-0x0000000000000000-mapping.dmp

          • memory/4148-135-0x0000000000000000-mapping.dmp

          • memory/4224-147-0x0000000000000000-mapping.dmp

          • memory/4344-142-0x0000000000000000-mapping.dmp

          • memory/4500-165-0x0000000000000000-mapping.dmp

          • memory/4868-153-0x0000000000000000-mapping.dmp