Analysis

  • max time kernel
    186s
  • max time network
    197s
  • 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 10:34

General

  • Target

    0af6229a2f466fed8fecc883031b63cd170d8c827d6c8f042da6478e2db3d4b4.exe

  • Size

    601KB

  • MD5

    71c4192a47a9aa79888c42d2a1acb6d4

  • SHA1

    7e023e3f36994f3ee2471bc9aaebaf62f8b4c30f

  • SHA256

    0af6229a2f466fed8fecc883031b63cd170d8c827d6c8f042da6478e2db3d4b4

  • SHA512

    6080554f2f0fb7b0ebc50e3c37dd3962a9d8bf1ea53fbab693554698a39a108f4012f6939c471f16ad459a94fe2bd71a5b9b4eece9e39bbe3bb463dde8df4c96

  • SSDEEP

    12288:8Iny5DYTtt7CdOCReb1vbqMRtr23p3SnUrqvI3BXb/U6offCUf71KPSbH:aUTtAdOPlb58Z3Sn9gp/U1faUz1K6bH

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\0af6229a2f466fed8fecc883031b63cd170d8c827d6c8f042da6478e2db3d4b4.exe
    "C:\Users\Admin\AppData\Local\Temp\0af6229a2f466fed8fecc883031b63cd170d8c827d6c8f042da6478e2db3d4b4.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:2268
    • C:\Windows\SysWOW64\net.exe
      net stop nethttpservice
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1520
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop nethttpservice
        3⤵
          PID:4472
      • C:\Windows\SysWOW64\net.exe
        net stop serviceupdater
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3500
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop serviceupdater
          3⤵
            PID:4368
        • C:\Windows\SysWOW64\installd.exe
          "C:\Windows\system32\installd.exe" nethfdrv
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1200
        • C:\Windows\SysWOW64\nethtsrv.exe
          "C:\Windows\system32\nethtsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2148
        • C:\Windows\SysWOW64\netupdsrv.exe
          "C:\Windows\system32\netupdsrv.exe" -nfdi
          2⤵
          • Executes dropped EXE
          PID:2112
        • C:\Windows\SysWOW64\net.exe
          net start nethttpservice
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:4944
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start nethttpservice
            3⤵
              PID:4184
          • C:\Windows\SysWOW64\net.exe
            net start serviceupdater
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1640
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 start serviceupdater
              3⤵
                PID:1748
          • 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:400
          • C:\Windows\SysWOW64\netupdsrv.exe
            C:\Windows\SysWOW64\netupdsrv.exe
            1⤵
            • Executes dropped EXE
            PID:3088

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\nsh1A6F.tmp\System.dll

            Filesize

            11KB

            MD5

            c17103ae9072a06da581dec998343fc1

            SHA1

            b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

            SHA256

            dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

            SHA512

            d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

          • C:\Users\Admin\AppData\Local\Temp\nsh1A6F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsh1A6F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsh1A6F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsh1A6F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsh1A6F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsh1A6F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsh1A6F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Users\Admin\AppData\Local\Temp\nsh1A6F.tmp\nsExec.dll

            Filesize

            6KB

            MD5

            acc2b699edfea5bf5aae45aba3a41e96

            SHA1

            d2accf4d494e43ceb2cff69abe4dd17147d29cc2

            SHA256

            168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

            SHA512

            e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            7274ecfe0d2b036a4a57d67ea9a4396f

            SHA1

            91988fb150516c41881b5c2271ff8435a2b6db6b

            SHA256

            1eacefa6a317a10b20dffd3727c6f85d531f2a96192eaeee548d23d592e7467b

            SHA512

            b6aff5972b9f7fdfcfce0db997b1d5839cd4f2a35f91f6c1104c805d41242df0e51c4226b9d78154effd44383456ea3bfea6a4693d93239ce21a1e0d231f94bd

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            7274ecfe0d2b036a4a57d67ea9a4396f

            SHA1

            91988fb150516c41881b5c2271ff8435a2b6db6b

            SHA256

            1eacefa6a317a10b20dffd3727c6f85d531f2a96192eaeee548d23d592e7467b

            SHA512

            b6aff5972b9f7fdfcfce0db997b1d5839cd4f2a35f91f6c1104c805d41242df0e51c4226b9d78154effd44383456ea3bfea6a4693d93239ce21a1e0d231f94bd

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            7274ecfe0d2b036a4a57d67ea9a4396f

            SHA1

            91988fb150516c41881b5c2271ff8435a2b6db6b

            SHA256

            1eacefa6a317a10b20dffd3727c6f85d531f2a96192eaeee548d23d592e7467b

            SHA512

            b6aff5972b9f7fdfcfce0db997b1d5839cd4f2a35f91f6c1104c805d41242df0e51c4226b9d78154effd44383456ea3bfea6a4693d93239ce21a1e0d231f94bd

          • C:\Windows\SysWOW64\hfnapi.dll

            Filesize

            106KB

            MD5

            7274ecfe0d2b036a4a57d67ea9a4396f

            SHA1

            91988fb150516c41881b5c2271ff8435a2b6db6b

            SHA256

            1eacefa6a317a10b20dffd3727c6f85d531f2a96192eaeee548d23d592e7467b

            SHA512

            b6aff5972b9f7fdfcfce0db997b1d5839cd4f2a35f91f6c1104c805d41242df0e51c4226b9d78154effd44383456ea3bfea6a4693d93239ce21a1e0d231f94bd

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            09f470612d872af504ae8024563e9096

            SHA1

            0a3cd57a30fd07a0effc4e02213295595a7130a8

            SHA256

            c930dbea17fdbe40c395d1af4940ca564ba07c6279b8bc4480ded38be0585553

            SHA512

            f937c5b4c48fd8e368fc22c05915a08fe11b4fb9970acd1dc2ddc10aa266337bd4d0cfe10c498575f154dc8ed31acd1a12ef70be90256a4694b12789b852ab25

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            09f470612d872af504ae8024563e9096

            SHA1

            0a3cd57a30fd07a0effc4e02213295595a7130a8

            SHA256

            c930dbea17fdbe40c395d1af4940ca564ba07c6279b8bc4480ded38be0585553

            SHA512

            f937c5b4c48fd8e368fc22c05915a08fe11b4fb9970acd1dc2ddc10aa266337bd4d0cfe10c498575f154dc8ed31acd1a12ef70be90256a4694b12789b852ab25

          • C:\Windows\SysWOW64\hfpapi.dll

            Filesize

            241KB

            MD5

            09f470612d872af504ae8024563e9096

            SHA1

            0a3cd57a30fd07a0effc4e02213295595a7130a8

            SHA256

            c930dbea17fdbe40c395d1af4940ca564ba07c6279b8bc4480ded38be0585553

            SHA512

            f937c5b4c48fd8e368fc22c05915a08fe11b4fb9970acd1dc2ddc10aa266337bd4d0cfe10c498575f154dc8ed31acd1a12ef70be90256a4694b12789b852ab25

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            3198e29f4fdc897249f61e8005052322

            SHA1

            16251bf80a0096dfe9402b7800914ca7ae3557fc

            SHA256

            de4c27ea0d9906699c4ee388a1605beee22aef670efa60187b8a079e81f9a1b8

            SHA512

            a9b30e054733b60bb70a6577a8201baf566b4933477a758cb18ea346a86a883466a717652cb77582710e3ad80d217ee4ced8f53089e769ed012e60a73600b173

          • C:\Windows\SysWOW64\installd.exe

            Filesize

            108KB

            MD5

            3198e29f4fdc897249f61e8005052322

            SHA1

            16251bf80a0096dfe9402b7800914ca7ae3557fc

            SHA256

            de4c27ea0d9906699c4ee388a1605beee22aef670efa60187b8a079e81f9a1b8

            SHA512

            a9b30e054733b60bb70a6577a8201baf566b4933477a758cb18ea346a86a883466a717652cb77582710e3ad80d217ee4ced8f53089e769ed012e60a73600b173

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            d3145c05478f682e06455af79c77d1c9

            SHA1

            21f5f3e39e467fc237bdddda3aab01afb0736c27

            SHA256

            703afdba369914a56cfafd8165ba92c32372f6998054ed442a39e6ed43abb027

            SHA512

            34274a65df421dc57bb351b5c7e4507d8c5104363ecdd41db9ef0b53de4664ea5b11eae3e80c1b39e2a9b77e2d0398f3f75e8ec2641908fb0e389c88c226acca

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            d3145c05478f682e06455af79c77d1c9

            SHA1

            21f5f3e39e467fc237bdddda3aab01afb0736c27

            SHA256

            703afdba369914a56cfafd8165ba92c32372f6998054ed442a39e6ed43abb027

            SHA512

            34274a65df421dc57bb351b5c7e4507d8c5104363ecdd41db9ef0b53de4664ea5b11eae3e80c1b39e2a9b77e2d0398f3f75e8ec2641908fb0e389c88c226acca

          • C:\Windows\SysWOW64\nethtsrv.exe

            Filesize

            176KB

            MD5

            d3145c05478f682e06455af79c77d1c9

            SHA1

            21f5f3e39e467fc237bdddda3aab01afb0736c27

            SHA256

            703afdba369914a56cfafd8165ba92c32372f6998054ed442a39e6ed43abb027

            SHA512

            34274a65df421dc57bb351b5c7e4507d8c5104363ecdd41db9ef0b53de4664ea5b11eae3e80c1b39e2a9b77e2d0398f3f75e8ec2641908fb0e389c88c226acca

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            81a3a4c1367294637bccb8fedb0fe98a

            SHA1

            be5258c831fc32cc7e3c14f25814689a9d8cf63b

            SHA256

            514463a919eae83abf3338c2871f504fb479aa3bb1da0a2f98b1a0b1b4c54746

            SHA512

            377f7b963a7a8a1e3abaafd7abdcae895a00886f046c5f1f0f28339c6154d9357cc46b2ac8e5efa29322a7bbe7e48021a1387bc3f27922c50fda29bec109f266

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            81a3a4c1367294637bccb8fedb0fe98a

            SHA1

            be5258c831fc32cc7e3c14f25814689a9d8cf63b

            SHA256

            514463a919eae83abf3338c2871f504fb479aa3bb1da0a2f98b1a0b1b4c54746

            SHA512

            377f7b963a7a8a1e3abaafd7abdcae895a00886f046c5f1f0f28339c6154d9357cc46b2ac8e5efa29322a7bbe7e48021a1387bc3f27922c50fda29bec109f266

          • C:\Windows\SysWOW64\netupdsrv.exe

            Filesize

            158KB

            MD5

            81a3a4c1367294637bccb8fedb0fe98a

            SHA1

            be5258c831fc32cc7e3c14f25814689a9d8cf63b

            SHA256

            514463a919eae83abf3338c2871f504fb479aa3bb1da0a2f98b1a0b1b4c54746

            SHA512

            377f7b963a7a8a1e3abaafd7abdcae895a00886f046c5f1f0f28339c6154d9357cc46b2ac8e5efa29322a7bbe7e48021a1387bc3f27922c50fda29bec109f266

          • memory/1200-142-0x0000000000000000-mapping.dmp

          • memory/1520-136-0x0000000000000000-mapping.dmp

          • memory/1640-165-0x0000000000000000-mapping.dmp

          • memory/1748-166-0x0000000000000000-mapping.dmp

          • memory/2112-153-0x0000000000000000-mapping.dmp

          • memory/2148-147-0x0000000000000000-mapping.dmp

          • memory/2268-132-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/2268-168-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/2268-169-0x0000000000360000-0x00000000007BE000-memory.dmp

            Filesize

            4.4MB

          • memory/3500-140-0x0000000000000000-mapping.dmp

          • memory/4184-159-0x0000000000000000-mapping.dmp

          • memory/4368-141-0x0000000000000000-mapping.dmp

          • memory/4472-137-0x0000000000000000-mapping.dmp

          • memory/4944-158-0x0000000000000000-mapping.dmp