Analysis

  • max time kernel
    162s
  • max time network
    202s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 08:01

General

  • Target

    30b287ca06596b314c77ad6feb0d8b6b982e3480a936b5e45bce2b64774a172c.exe

  • Size

    673KB

  • MD5

    ac8706f1f9a6b3408d4f985c88c7c467

  • SHA1

    a53b2b3f58e0182a8b0377b89dd3b1f89e50743d

  • SHA256

    30b287ca06596b314c77ad6feb0d8b6b982e3480a936b5e45bce2b64774a172c

  • SHA512

    4cf5ccf38dc683827f489256a3f2d7f130ae085b5920e0e9b174d0ac8f3eeb76bdf2ccba057c9d19617466c76cc917f3503c1968c7155c09995f92375a2a5e9a

  • SSDEEP

    12288:4+1VlCxzXBInIv+iZXStVTARMqgq7sYUAQujxR33YsR0e50qjCdNKeS72R6SsRdC:zVIxy0hS/TAkuzb3VRDK+CdgeS72n2d

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\30b287ca06596b314c77ad6feb0d8b6b982e3480a936b5e45bce2b64774a172c.exe
    "C:\Users\Admin\AppData\Local\Temp\30b287ca06596b314c77ad6feb0d8b6b982e3480a936b5e45bce2b64774a172c.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:3488
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3964
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:2932
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4316
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:5088
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4236
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:820
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:3512
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4724
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:5032
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1832
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:3684
          • 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:2004
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:3988

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsf9433.tmp\System.dll
            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsf9433.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsf9433.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsf9433.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsf9433.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsf9433.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsf9433.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsf9433.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsf9433.tmp\nsExec.dll
            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            b1aac9fccdbdb397ec73ecd2902ad205

            SHA1

            dd7e19291740116e4e161cac1f855698ecd21ff3

            SHA256

            9ad9d7133c6c8693747add48f8e7701d218f98e35f6cf607037be377dc191c09

            SHA512

            7521123abfc27e7c3d0c5aea6c81327e651abaf4b32e0248ef6fcef7c37a602e82674ebb83a86773e2041cad71847666880426d0fe29e3d7c1a1ba7bcba7cd91

          • C:\Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            b1aac9fccdbdb397ec73ecd2902ad205

            SHA1

            dd7e19291740116e4e161cac1f855698ecd21ff3

            SHA256

            9ad9d7133c6c8693747add48f8e7701d218f98e35f6cf607037be377dc191c09

            SHA512

            7521123abfc27e7c3d0c5aea6c81327e651abaf4b32e0248ef6fcef7c37a602e82674ebb83a86773e2041cad71847666880426d0fe29e3d7c1a1ba7bcba7cd91

          • C:\Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            b1aac9fccdbdb397ec73ecd2902ad205

            SHA1

            dd7e19291740116e4e161cac1f855698ecd21ff3

            SHA256

            9ad9d7133c6c8693747add48f8e7701d218f98e35f6cf607037be377dc191c09

            SHA512

            7521123abfc27e7c3d0c5aea6c81327e651abaf4b32e0248ef6fcef7c37a602e82674ebb83a86773e2041cad71847666880426d0fe29e3d7c1a1ba7bcba7cd91

          • C:\Windows\SysWOW64\hfnapi.dll
            Filesize

            106KB

            MD5

            b1aac9fccdbdb397ec73ecd2902ad205

            SHA1

            dd7e19291740116e4e161cac1f855698ecd21ff3

            SHA256

            9ad9d7133c6c8693747add48f8e7701d218f98e35f6cf607037be377dc191c09

            SHA512

            7521123abfc27e7c3d0c5aea6c81327e651abaf4b32e0248ef6fcef7c37a602e82674ebb83a86773e2041cad71847666880426d0fe29e3d7c1a1ba7bcba7cd91

          • C:\Windows\SysWOW64\hfpapi.dll
            Filesize

            244KB

            MD5

            523aa9f8460403e9605010389b0333ce

            SHA1

            d6885af1d6f82a82a46a5ed577b155549acf0abc

            SHA256

            3575591cfbc71558d3b409b8f952b5f9c5ba236edd4ebd04da92d249d4b6224f

            SHA512

            7de782b6196645f2554b9af2ad28a9ce36622c87a0feeba8f73f26bdfe3e49eaa0903f397100fd7ced85bae38ca94d58452d96fce05e5e232ef85c8394e2a812

          • C:\Windows\SysWOW64\hfpapi.dll
            Filesize

            244KB

            MD5

            523aa9f8460403e9605010389b0333ce

            SHA1

            d6885af1d6f82a82a46a5ed577b155549acf0abc

            SHA256

            3575591cfbc71558d3b409b8f952b5f9c5ba236edd4ebd04da92d249d4b6224f

            SHA512

            7de782b6196645f2554b9af2ad28a9ce36622c87a0feeba8f73f26bdfe3e49eaa0903f397100fd7ced85bae38ca94d58452d96fce05e5e232ef85c8394e2a812

          • C:\Windows\SysWOW64\hfpapi.dll
            Filesize

            244KB

            MD5

            523aa9f8460403e9605010389b0333ce

            SHA1

            d6885af1d6f82a82a46a5ed577b155549acf0abc

            SHA256

            3575591cfbc71558d3b409b8f952b5f9c5ba236edd4ebd04da92d249d4b6224f

            SHA512

            7de782b6196645f2554b9af2ad28a9ce36622c87a0feeba8f73f26bdfe3e49eaa0903f397100fd7ced85bae38ca94d58452d96fce05e5e232ef85c8394e2a812

          • C:\Windows\SysWOW64\installd.exe
            Filesize

            108KB

            MD5

            b347fa607d0ceaf18a363017726f6705

            SHA1

            2f289e113f2c054a30b96f5e18efec80ed54e16b

            SHA256

            acbd75d8ac00d7072b1193b42243a246a53d5bf3c80a12e47645d3467de8ec30

            SHA512

            e7512edb860c415ecb15e31bbd088eea7e8ad09a8240bec6ebbb34c75a17ac93add02643275cb14ee01c72bb72874ee4561d3a4e21617c9babab87bee00240d9

          • C:\Windows\SysWOW64\installd.exe
            Filesize

            108KB

            MD5

            b347fa607d0ceaf18a363017726f6705

            SHA1

            2f289e113f2c054a30b96f5e18efec80ed54e16b

            SHA256

            acbd75d8ac00d7072b1193b42243a246a53d5bf3c80a12e47645d3467de8ec30

            SHA512

            e7512edb860c415ecb15e31bbd088eea7e8ad09a8240bec6ebbb34c75a17ac93add02643275cb14ee01c72bb72874ee4561d3a4e21617c9babab87bee00240d9

          • C:\Windows\SysWOW64\nethtsrv.exe
            Filesize

            176KB

            MD5

            a606c54e5848e8ff7dec0c62e3bb0856

            SHA1

            feac00bc9a6be3c5b5c0a81504134c40eeb4c539

            SHA256

            ce6ab7f86e80e1be8cb3135228309be02fadab068019ce910e416e2b746e5cc7

            SHA512

            15387ec1f77b5e28e2ccb83fe0ff2f9fc3db51e9e632b74d808cff3101eab3402b83a4f06c5dd8023d6de1e55f2390ff3ee38251bf2dea77c685f887f0ac8fa3

          • C:\Windows\SysWOW64\nethtsrv.exe
            Filesize

            176KB

            MD5

            a606c54e5848e8ff7dec0c62e3bb0856

            SHA1

            feac00bc9a6be3c5b5c0a81504134c40eeb4c539

            SHA256

            ce6ab7f86e80e1be8cb3135228309be02fadab068019ce910e416e2b746e5cc7

            SHA512

            15387ec1f77b5e28e2ccb83fe0ff2f9fc3db51e9e632b74d808cff3101eab3402b83a4f06c5dd8023d6de1e55f2390ff3ee38251bf2dea77c685f887f0ac8fa3

          • C:\Windows\SysWOW64\nethtsrv.exe
            Filesize

            176KB

            MD5

            a606c54e5848e8ff7dec0c62e3bb0856

            SHA1

            feac00bc9a6be3c5b5c0a81504134c40eeb4c539

            SHA256

            ce6ab7f86e80e1be8cb3135228309be02fadab068019ce910e416e2b746e5cc7

            SHA512

            15387ec1f77b5e28e2ccb83fe0ff2f9fc3db51e9e632b74d808cff3101eab3402b83a4f06c5dd8023d6de1e55f2390ff3ee38251bf2dea77c685f887f0ac8fa3

          • C:\Windows\SysWOW64\netupdsrv.exe
            Filesize

            159KB

            MD5

            54b5fbff1104809095f8d311a41d85bf

            SHA1

            4dbd01b8d3c8a33dc9a6a4600920c2a0bf391d17

            SHA256

            5f04c8b5be33ceec1cfe03f6c2a36a2b3d2523d93482941cc7bfe1391119ffd6

            SHA512

            b0ff7916ce7f66598fe6f81c10db09658de3d25ee4bb24f02f8e23da4bd3607e11b97770e59d495cd90025216da7d90a04771c32b02449e7aacc9338a9d68f9f

          • C:\Windows\SysWOW64\netupdsrv.exe
            Filesize

            159KB

            MD5

            54b5fbff1104809095f8d311a41d85bf

            SHA1

            4dbd01b8d3c8a33dc9a6a4600920c2a0bf391d17

            SHA256

            5f04c8b5be33ceec1cfe03f6c2a36a2b3d2523d93482941cc7bfe1391119ffd6

            SHA512

            b0ff7916ce7f66598fe6f81c10db09658de3d25ee4bb24f02f8e23da4bd3607e11b97770e59d495cd90025216da7d90a04771c32b02449e7aacc9338a9d68f9f

          • C:\Windows\SysWOW64\netupdsrv.exe
            Filesize

            159KB

            MD5

            54b5fbff1104809095f8d311a41d85bf

            SHA1

            4dbd01b8d3c8a33dc9a6a4600920c2a0bf391d17

            SHA256

            5f04c8b5be33ceec1cfe03f6c2a36a2b3d2523d93482941cc7bfe1391119ffd6

            SHA512

            b0ff7916ce7f66598fe6f81c10db09658de3d25ee4bb24f02f8e23da4bd3607e11b97770e59d495cd90025216da7d90a04771c32b02449e7aacc9338a9d68f9f

          • memory/820-147-0x0000000000000000-mapping.dmp
          • memory/1832-165-0x0000000000000000-mapping.dmp
          • memory/2932-137-0x0000000000000000-mapping.dmp
          • memory/3488-168-0x0000000000350000-0x00000000007BE000-memory.dmp
            Filesize

            4.4MB

          • memory/3488-132-0x0000000000350000-0x00000000007BE000-memory.dmp
            Filesize

            4.4MB

          • memory/3512-153-0x0000000000000000-mapping.dmp
          • memory/3684-166-0x0000000000000000-mapping.dmp
          • memory/3964-136-0x0000000000000000-mapping.dmp
          • memory/4236-142-0x0000000000000000-mapping.dmp
          • memory/4316-140-0x0000000000000000-mapping.dmp
          • memory/4724-158-0x0000000000000000-mapping.dmp
          • memory/5032-159-0x0000000000000000-mapping.dmp
          • memory/5088-141-0x0000000000000000-mapping.dmp